Wiring Diagrams BMW 3 series G20/G21 (2018-2023)

35 systems 182 wiring diagrams 1151 components
Contents — 35 systems, 182 diagrams

Active bodyworks

# Active bodyworks circuit

Components on the diagram

    Air conditioning

    # Automatic a/c circuit

    # Automatic a/c circuit (1 of 5)

    Components on the diagram

      # Automatic a/c circuit (2 of 5)

      Components on the diagram

        # Automatic a/c circuit (3 of 5)

        Components on the diagram

          # Automatic a/c circuit (4 of 5)

          Components on the diagram

            # Automatic a/c circuit (5 of 5)

            Components on the diagram

              # Independent heating circuit

              Components on the diagram

                Anti-lock brakes

                # Anti-lock brakes circuit

                # Anti-lock brakes circuit (1 of 2)

                Components on the diagram

                  # Anti-lock brakes circuit (2 of 2)

                  Components on the diagram

                    Anti-theft

                    # Access/start circuit

                    # Access/start circuit (1 of 2)

                    Components on the diagram

                      # Access/start circuit (2 of 2)

                      Components on the diagram

                        # Anti-theft & central locking circuit

                        # Anti-theft & central locking circuit (1 of 3)

                        Components on the diagram

                          # Anti-theft & central locking circuit (2 of 3)

                          Components on the diagram

                            # Anti-theft & central locking circuit (3 of 3)

                            Components on the diagram

                              Body control modules

                              # Body control modules circuit

                              # Body control modules circuit (1 of 3)

                              Components on the diagram

                                # Body control modules circuit (2 of 3)

                                Components on the diagram

                                  # Body control modules circuit (3 of 3)

                                  Components on the diagram

                                    Computer data lines

                                    # Computer data lines circuit

                                    # Computer data lines circuit (1 of 8)

                                    Components on the diagram

                                      # Computer data lines circuit (2 of 8)

                                      Components on the diagram

                                        # Computer data lines circuit (3 of 8)

                                        Components on the diagram

                                          # Computer data lines circuit (4 of 8)

                                          Components on the diagram

                                            # Computer data lines circuit (5 of 8)

                                            Components on the diagram

                                              # Computer data lines circuit (6 of 8)

                                              Components on the diagram

                                                # Computer data lines circuit (7 of 8)

                                                Components on the diagram

                                                  # Computer data lines circuit (8 of 8)

                                                  Components on the diagram

                                                    Cooling fan

                                                    # Cooling fan circuit

                                                    Components on the diagram

                                                      Cruise control

                                                      # Cruise control circuit

                                                      Components on the diagram

                                                        Defoggers

                                                        # Heated mirrors circuit, w/ lin bus function

                                                        Components on the diagram

                                                          # Heated mirrors circuit, w/o lin bus function

                                                          Components on the diagram

                                                            # Rear defogger circuit

                                                            Components on the diagram

                                                              Electronic power steering

                                                              # Electronic power steering circuit

                                                              Components on the diagram

                                                                Electronic suspension

                                                                # Dynamic drive suspension circuit

                                                                Components on the diagram

                                                                  Engine performance 2.0l turbo

                                                                  # Wiring diagram engine performance 2.0l turbo

                                                                  # Wiring diagram engine performance 2.0l turbo (1 of 6)

                                                                  Components on the diagram

                                                                    # Wiring diagram engine performance 2.0l turbo (2 of 6)

                                                                    Components on the diagram

                                                                      # Wiring diagram engine performance 2.0l turbo (3 of 6)

                                                                      Components on the diagram

                                                                        # Wiring diagram engine performance 2.0l turbo (4 of 6)

                                                                        Components on the diagram

                                                                          # Wiring diagram engine performance 2.0l turbo (5 of 6)

                                                                          Components on the diagram

                                                                            # Wiring diagram engine performance 2.0l turbo (6 of 6)

                                                                            Components on the diagram

                                                                              Exterior lights

                                                                              # Backup lamps circuit

                                                                              Components on the diagram

                                                                                # Exterior lamps circuit

                                                                                # Exterior lamps circuit (1 of 4)

                                                                                Components on the diagram

                                                                                  # Exterior lamps circuit (2 of 4)

                                                                                  Components on the diagram

                                                                                    # Exterior lamps circuit (3 of 4)

                                                                                    Components on the diagram

                                                                                      # Exterior lamps circuit (4 of 4)

                                                                                      Components on the diagram

                                                                                        # Trailer tow circuit

                                                                                        Components on the diagram

                                                                                          Ground distribution

                                                                                          # Ground distribution circuit

                                                                                          # Ground distribution circuit (1 of 7)

                                                                                          Components on the diagram

                                                                                            # Ground distribution circuit (2 of 7)

                                                                                            Components on the diagram

                                                                                              # Ground distribution circuit (3 of 7)

                                                                                              Components on the diagram

                                                                                                # Ground distribution circuit (4 of 7)

                                                                                                Components on the diagram

                                                                                                  # Ground distribution circuit (5 of 7)

                                                                                                  Components on the diagram

                                                                                                    # Ground distribution circuit (6 of 7)

                                                                                                    Components on the diagram

                                                                                                      # Ground distribution circuit (7 of 7)

                                                                                                      Components on the diagram

                                                                                                        Headlights

                                                                                                        # Headlights circuit

                                                                                                        # Headlights circuit (1 of 2)

                                                                                                        Components on the diagram

                                                                                                          # Headlights circuit (2 of 2)

                                                                                                          Components on the diagram

                                                                                                            Horn

                                                                                                            # Horn circuit

                                                                                                            Components on the diagram

                                                                                                              Instrument cluster

                                                                                                              # Instrument cluster circuit

                                                                                                              Components on the diagram

                                                                                                                Interior lights

                                                                                                                # Courtesy lamps circuit

                                                                                                                # Courtesy lamps circuit (1 of 4)

                                                                                                                Components on the diagram

                                                                                                                  # Courtesy lamps circuit (2 of 4)

                                                                                                                  Components on the diagram

                                                                                                                    # Courtesy lamps circuit (3 of 4)

                                                                                                                    Components on the diagram

                                                                                                                      # Courtesy lamps circuit (4 of 4)

                                                                                                                      Components on the diagram

                                                                                                                        # Instrument illumination circuit

                                                                                                                        Components on the diagram

                                                                                                                          Memory systems

                                                                                                                          # Driver"s memory seat circuit

                                                                                                                          # Driver"s memory seat circuit (1 of 2)

                                                                                                                          Components on the diagram

                                                                                                                            # Driver"s memory seat circuit (2 of 2)

                                                                                                                            Components on the diagram

                                                                                                                              # Memory mirrors circuit, w/ lin bus function

                                                                                                                              Components on the diagram

                                                                                                                                # Memory mirrors circuit, w/o lin bus function

                                                                                                                                Components on the diagram

                                                                                                                                  # Passenger"s memory seat circuit

                                                                                                                                  # Passenger"s memory seat circuit (1 of 2)

                                                                                                                                  Components on the diagram

                                                                                                                                    # Passenger"s memory seat circuit (2 of 2)

                                                                                                                                    Components on the diagram

                                                                                                                                      Navigation

                                                                                                                                      # All around vision camera circuit

                                                                                                                                      Components on the diagram

                                                                                                                                        # Blind spot monitoring circuit

                                                                                                                                        # Blind spot monitoring circuit (1 of 2)

                                                                                                                                        Components on the diagram

                                                                                                                                          # Blind spot monitoring circuit (2 of 2)

                                                                                                                                          Components on the diagram

                                                                                                                                            # Driver camera circuit

                                                                                                                                            Components on the diagram

                                                                                                                                              # Lane departure warning circuit

                                                                                                                                              Components on the diagram

                                                                                                                                                # Parking assistant circuit

                                                                                                                                                Components on the diagram

                                                                                                                                                  # Rear camera circuit

                                                                                                                                                  Components on the diagram

                                                                                                                                                    Passive restraints

                                                                                                                                                    # Passive restraints circuit

                                                                                                                                                    Components on the diagram

                                                                                                                                                      Power distribution

                                                                                                                                                      # Power distribution circuit

                                                                                                                                                      # Power distribution circuit (1 of 8)

                                                                                                                                                      Components on the diagram

                                                                                                                                                        # Power distribution circuit (2 of 8)

                                                                                                                                                        Components on the diagram

                                                                                                                                                          # Power distribution circuit (3 of 8)

                                                                                                                                                          Components on the diagram

                                                                                                                                                            # Power distribution circuit (4 of 8)

                                                                                                                                                            Components on the diagram

                                                                                                                                                              # Power distribution circuit (5 of 8)

                                                                                                                                                              Components on the diagram

                                                                                                                                                                # Power distribution circuit (6 of 8)

                                                                                                                                                                Components on the diagram

                                                                                                                                                                  # Power distribution circuit (7 of 8)

                                                                                                                                                                  Components on the diagram

                                                                                                                                                                    # Power distribution circuit (8 of 8)

                                                                                                                                                                    Components on the diagram

                                                                                                                                                                      Power door locks

                                                                                                                                                                      # Power door locks circuit

                                                                                                                                                                      # Power door locks circuit (1 of 3)

                                                                                                                                                                      Components on the diagram

                                                                                                                                                                        # Power door locks circuit (2 of 3)

                                                                                                                                                                        Components on the diagram

                                                                                                                                                                          # Power door locks circuit (3 of 3)

                                                                                                                                                                          Components on the diagram

                                                                                                                                                                            Power mirrors

                                                                                                                                                                            # Power mirrors circuit

                                                                                                                                                                            Components on the diagram

                                                                                                                                                                              Power seats

                                                                                                                                                                              # Front heated seats circuit, w/ memory

                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                # Front heated seats circuit, w/o memory

                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                  # Heated steering wheel circuit

                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                    # Lumbar circuit, w/ backrest

                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                      # Lumbar circuit, w/o backrest

                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                        # Passenger power seat circuit

                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                          # Rear heated seats circuit

                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                            # Sport seats circuit, w/ lumbar

                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                              # Sport seats circuit, w/o lumbar

                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                Power top/sunroof

                                                                                                                                                                                                # Power top/sunroof circuit

                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                  Power windows

                                                                                                                                                                                                  # Power windows circuit

                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                    Radio

                                                                                                                                                                                                    # Base radio circuit, w/ active sound design

                                                                                                                                                                                                    # Base radio circuit, w/ active sound design (1 of 5)

                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                      # Base radio circuit, w/ active sound design (2 of 5)

                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                        # Base radio circuit, w/ active sound design (3 of 5)

                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                          # Base radio circuit, w/ active sound design (4 of 5)

                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                            # Base radio circuit, w/ active sound design (5 of 5)

                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                              # Base radio circuit, w/o active sound design

                                                                                                                                                                                                              # Base radio circuit, w/o active sound design (1 of 3)

                                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                                # Base radio circuit, w/o active sound design (2 of 3)

                                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                                  # Base radio circuit, w/o active sound design (3 of 3)

                                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                                    # Hifi radio circuit, w/ active sound design

                                                                                                                                                                                                                    # Hifi radio circuit, w/ active sound design (1 of 5)

                                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                                      # Hifi radio circuit, w/ active sound design (2 of 5)

                                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                                        # Hifi radio circuit, w/ active sound design (3 of 5)

                                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                                          # Hifi radio circuit, w/ active sound design (4 of 5)

                                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                                            # Hifi radio circuit, w/ active sound design (5 of 5)

                                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                                              # Hifi radio circuit, w/o active sound design

                                                                                                                                                                                                                              # Hifi radio circuit, w/o active sound design (1 of 4)

                                                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                                                # Hifi radio circuit, w/o active sound design (2 of 4)

                                                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                                                  # Hifi radio circuit, w/o active sound design (3 of 4)

                                                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                                                    # Hifi radio circuit, w/o active sound design (4 of 4)

                                                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                                                      # Receiver audio module circuit, base

                                                                                                                                                                                                                                      # Receiver audio module circuit, base (1 of 6)

                                                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                                                        # Receiver audio module circuit, base (2 of 6)

                                                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                                                          # Receiver audio module circuit, base (3 of 6)

                                                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                                                            # Receiver audio module circuit, base (4 of 6)

                                                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                                                              # Receiver audio module circuit, base (5 of 6)

                                                                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                                                                # Receiver audio module circuit, base (6 of 6)

                                                                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                                                                  # Receiver audio module circuit, high level

                                                                                                                                                                                                                                                  # Receiver audio module circuit, high level (1 of 6)

                                                                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                                                                    # Receiver audio module circuit, high level (2 of 6)

                                                                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                                                                      # Receiver audio module circuit, high level (3 of 6)

                                                                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                                                                        # Receiver audio module circuit, high level (4 of 6)

                                                                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                                                                          # Receiver audio module circuit, high level (5 of 6)

                                                                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                                                                            # Receiver audio module circuit, high level (6 of 6)

                                                                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                                                                              # Receiver audio module circuit, mid level

                                                                                                                                                                                                                                                              # Receiver audio module circuit, mid level (1 of 6)

                                                                                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                                                                                # Receiver audio module circuit, mid level (2 of 6)

                                                                                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                                                                                  # Receiver audio module circuit, mid level (3 of 6)

                                                                                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                                                                                    # Receiver audio module circuit, mid level (4 of 6)

                                                                                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                                                                                      # Receiver audio module circuit, mid level (5 of 6)

                                                                                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                                                                                        # Receiver audio module circuit, mid level (6 of 6)

                                                                                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                                                                                          Shift interlock

                                                                                                                                                                                                                                                                          # Shift interlock circuit

                                                                                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                                                                                            Starting/charging

                                                                                                                                                                                                                                                                            # Charging circuit

                                                                                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                                                                                              # Starting circuit

                                                                                                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                                                                                                Supplemental restraints

                                                                                                                                                                                                                                                                                # Supplemental restraints circuit

                                                                                                                                                                                                                                                                                # Supplemental restraints circuit (1 of 4)

                                                                                                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                                                                                                  # Supplemental restraints circuit (2 of 4)

                                                                                                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                                                                                                    # Supplemental restraints circuit (3 of 4)

                                                                                                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                                                                                                      # Supplemental restraints circuit (4 of 4)

                                                                                                                                                                                                                                                                                      Components on the diagram

                                                                                                                                                                                                                                                                                        Transmission

                                                                                                                                                                                                                                                                                        # A/t circuit

                                                                                                                                                                                                                                                                                        Components on the diagram

                                                                                                                                                                                                                                                                                          # Awd circuit

                                                                                                                                                                                                                                                                                          Components on the diagram

                                                                                                                                                                                                                                                                                            # Rear axle circuit

                                                                                                                                                                                                                                                                                            Components on the diagram

                                                                                                                                                                                                                                                                                              Trunk, tailgate, fuel door

                                                                                                                                                                                                                                                                                              # Contact-free tailgate opening circuit

                                                                                                                                                                                                                                                                                              Components on the diagram

                                                                                                                                                                                                                                                                                                # Trunk & fuel door release circuit

                                                                                                                                                                                                                                                                                                # Trunk & fuel door release circuit (1 of 2)

                                                                                                                                                                                                                                                                                                Components on the diagram

                                                                                                                                                                                                                                                                                                  # Trunk & fuel door release circuit (2 of 2)

                                                                                                                                                                                                                                                                                                  Components on the diagram

                                                                                                                                                                                                                                                                                                    Warning systems

                                                                                                                                                                                                                                                                                                    # Warning systems circuit

                                                                                                                                                                                                                                                                                                    Components on the diagram

                                                                                                                                                                                                                                                                                                      Wiper/washer

                                                                                                                                                                                                                                                                                                      # Wiper/washer circuit

                                                                                                                                                                                                                                                                                                      Components on the diagram