BMW 3 series G20/G21 (2018-2023) brn Wiring diagrams
This page contains all the electrical diagrams for the component. brn, in which he is found in the car BMW 3 series G20/G21 (2018-2023). You can view various wiring diagrams where this component is used, as well as go to more detailed diagrams to see the complete connection and interaction in the system. All diagrams have links to quickly jump to the corresponding section with the component for easy viewing..
Wiring diagram brn (141 of 165)
AIR CONDITIONING
BLK WIRE
BLU WIRE
BLU/RED WIRE
BRN WIRE
BRN/YEL WIRE
COMPUTER DATA LINES SYSTEM
DRIVER SEAT MODULE
DRIVER THIGH SUPPORT HEATING
DRIVER'S SEAT BACKREST HEATING
DRIVER'S SEAT SURFACE HEATING
FRONT PASSENGER SEAT MODULE
FRONT PASSENGER SEAT OCCUPANCY DETECTION EVALUATION ELECTRONICS
FRONT PASSENGER SEAT OCCUPANCY DETECTION SEAT CUSHION HEATER/SENSOR
FRONT PASSENGER THIGH SUPPORT HEATING
FRONT PASSENGER'S SEAT BACKREST HEATING
FUSE 55
FUSE 56
GRN WIRE
GRN/VIO WIRE
GRY WIRE
NCA WIRE
RED WIRE
RED/WHT WIRE
RED/YEL WIRE
RELAY ENERGIZED
RIGHT FRONT POWER DISTRIBUTION BOX
VIO WIRE
W/ EXTENDABLE THIGH SUPPORT
W/O EXTENDABLE THIGH SUPPORT
WHT WIRE
YEL WIRE
Go to component -> Front heated seats circuit, w/ memory -> BRN WIRE
Wiring diagram brn (142 of 165)
12 V POWER SOCKET 2
ANTI SLIP RAILS CONTROL ELECTRONICS
BRN WIRE
CHARGING CONTROLLER FOR AUXILIARY BATTERY
DYNAMIC STABILITY CONTROL (DSC)
HKFM
LEFT INNER TAILLIGHT
LEFT LICENSE PLATE LAMP
LEFT OUTER TAILLIGHT
OUTER TAILGATE BUTTON
PARKING MANEUVERING ASSISTANT
REAR PASSENGER'S SIDE SEAT HEATING MODULE
REAR WINDOW LOCK
RIGHT INNER TAILLIGHT
RIGHT LICENSE PLATE LAMP
RIGHT OUTER TAILLIGHT
SIREN W/ TILT ALARM SENSOR
TAILGATE LOCK
TRAILER MODULE
TRAILER SOCKET
Go to component -> Ground distribution circuit (1 of 7) -> BRN WIRE
Wiring diagram brn (143 of 165)
ACTIVE SOUND DESIGN
AUXILIARY HEATER COOLANT CHANGEOVER VALVE
AUXILIARY HEATER FUEL METERING PUMP
BLK WIRE
BOOSTER
BRN WIRE
CAR SHARING MODULE
CD DRIVE
CONTROLLER (IDRIVE)
FANFARE HORN BUTTON
HEAD UNIT
HEAD UNIT BASIS
HEAD UNIT HIGH, MID
HIFI AMPLIFIER
IGNITION COIL CYLINDER 1
IGNITION COIL CYLINDER 2
IGNITION COIL CYLINDER 3
IGNITION COIL CYLINDER 4
INDEPENDENT AUXILIARY HEATER
LEFT "C" PILLAR)
LEFT HEADLIGHT
LEFT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL
LEFT SHIFT PADDLE
LEFT-HAND MULTI-FUNCTION STEERING COLUMN SWITCH CLUSTER
NCA WIRE
PREPARING THE NFC READER
REAR WINDOW DEFOGGER
RECEIVER AUDIO MODULE
RIGHT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL
RIGHT SHIFT PADDLE
STEERING COLUMN SWITCH CLUSTER
TELEMATIC COMMUNICATION BOX SHIELD
USB CHARGING SOCKET 2
USB CHARGING SOCKET 3
USB- HUB
WIRELESS CHARGING SHELF ANTENNA AMPLIFIER
WIRELESS CHARGING STORAGE
YEL WIRE
Go to component -> Ground distribution circuit (2 of 7) -> BRN WIRE
Wiring diagram brn (144 of 165)
AUTOMATIC REAR AIR CONDITIONING OPERATING FACILITY
AUXILIARY HEATER ELECTRIC
BRN WIRE
CONVENIENCE CHARGING ELECTRONICS
DIAGNOSTIC SOCKET
DRIVER LUMBAR SUPPORT VALVE BLOCK
DRIVER LUMBER SUPPORT/BACKREST WIDTH ADJUSTMENT VALVE BLOCK
DRIVER OUTSIDE DOOR HANDLE ELECTRONICS
DRIVER SEAT MODULE
DRIVER VEHICLE EXTERIOR MIRROR
DRIVER'S DOOR ENTRY LIGHTING
DRIVER'S DOOR GROUND LIGHTS
DRIVER'S DOOR INSIDE DOOR HANDLE LIGHT
DRIVER'S DOOR POCKET LIGHTING
DRIVER'S DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS
DRIVER'S DOOR SEAT SWITCH CLUSTER
DRIVER'S DOOR SWITCH BLOCK
DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK
DRIVER'S SEAT HEATING ELECTRONICS
DRIVER'S SEAT LUMBAR SUPPORT SWITCH
DRIVER'S SEAT PNEUMATIC PUMP
HOOD CONTACT SWITCH
LEFT BACKREST REMOTE UNLOCKING ELECTRIC MOTOR
NCA WIRE
REAR DRIVER'S SIDE FOOTWELL LIGHT
REAR DRIVER'S SIDE SEAT HEATING MODULE
REFUELING BUTTON
TOP DRIVER'S DOOR TRIM PANEL LIGHTING
TRAILER BRAKE SYSTEM PLUG CONNECTION
VEHICLE INTERIOR TAILGATE BUTTON
VERTICAL DYNAMICS PLATFORM
WIPER DRIVE
Go to component -> Ground distribution circuit (3 of 7) -> BRN WIRE
Wiring diagram brn (145 of 165)
AUXILIARY WATER PUMP
BRN WIRE
CRASH SAFETY MODULE
DRIVER SEAT POSITION SENSOR
DRIVER'S SEAT BELT BUCKLE CONTACT
ENGINE COMPARTMENT POWER DISTRIBUTION BOX
FRONT PASSENGER'S SEAT BELT BUCKLE CONTACT
FRONT PASSENGER'S SEAT OCCUPANCY DETECTION EVALUATION ELECTRONICS
FRONT PASSENGER'S SEAT POSITION SENSOR
FRONT RADAR SENSOR
LEFT FOG LIGHT
LEFT FRONT SIDE NEAR RANGE RADAR SENSOR
LEFT REAR SEAT BELT BUCKLE CONTACT
LEFT REAR SEAT OCCUPANCY DETECTION
LONG- DISTANCE RANGE FRONT RADAR SENSOR HEATING
LONG-DISTANCE RANGE FRONT RADAR SENSOR
REAR CENTER SEAT BELT BUCKLE CONTACT
REAR CENTER SEAT OCCUPANCY DETECTION
RIGHT FOG LIGHT
RIGHT FRONT NEAR RANGE SIDE RADAR SENSOR
RIGHT HEADLIGHT
RIGHT REAR SEAT BELT BUCKLE CONTACT
RIGHT REAR SEAT OCCUPANCY DETECTION
SUBWOOFER FANFARE HORN
TOP RADIATOR BLIND DRIVE
TWEETER FANFARE HORN
WINDSHIELD WASHER PUMP
YEL/BRN WIRE
Go to component -> Ground distribution circuit (4 of 7) -> BRN WIRE
Wiring diagram brn (146 of 165)
12 V POWER SOCKET 3
12 V POWER SOCKET FRONT CIGARETTE LIGHTER
BLOWER MOTOR W/ OUTPUT STAGE
BODY DOMAIN CONTROLLER
BRN WIRE
DRIVER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS
ELECTRICAL STEERING COLUMN ADJUSTMENT
FRONT PASSENGER DOOR ENTRY LIGHTING
FRONT PASSENGER DOOR GROUND LIGHTS
FRONT PASSENGER DOOR INSIDE DOOR HANDLE LIGHT
FRONT PASSENGER DOOR POCKET LIGHTING
FRONT PASSENGER DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS
FRONT PASSENGER LUMBAR SUPPORT SWITCH
FRONT PASSENGER LUMBAR SUPPORT VALVE BLOCK
FRONT PASSENGER LUMBAR SUPPORT/ BACKREST WIDTH ADJUSTMENT VALVE BLOCK
FRONT PASSENGER SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK
FRONT PASSENGER SEAT HEATING ELECTRONICS
FRONT PASSENGER SEAT MODULE
FRONT PASSENGER SEAT PNEUMATIC PUMP
FRONT PASSENGER VEHICLE EXTERIOR MIRROR
NCA WIRE
PASSENGER OUTSIDE DOOR HANDLE ELECTRONICS
PASSENGER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK
REAR DRIVER'S SIDE COURTESY LIGHTS
REAR DRIVER'S SIDE DOOR POCKET LIGHTING
REAR DRIVER'S SIDE DOOR SILL COURTESY LIGHT
REAR DRIVER'S SIDE INSIDE DOOR HANDLE LIGHT
REAR DRIVER'S SIDE OUTSIDE DOOR HANDLE ELECTRONICS
REAR PASSENGER SIDE OUTSIDE DOOR HANDLE ELECTRONICS
ROOF FUNCTION CENTER
STEERING COLUMN SWITCH CLUSTER
TOP FRONT PASSENGER DOOR TRIM PANEL LIGHTING
TOP REAR DRIVER'S SIDE DOOR TRIM PANEL LIGHTING
WASHER FLUID LEVEL SENSOR
WIPER DRIVE
Go to component -> Ground distribution circuit (5 of 7) -> BRN WIRE
Wiring diagram brn (147 of 165)
ALL ROUND VISION CAMERA
AUTOMATIC AIR RECIRCULATION CONTROL SENSOR
BLK WIRE
BRAKE FLUID LEVEL SWITCH
BRAKE LIGHT SWITCH
BRN WIRE
BRN/BLK WIRE
CAMERA BASED DRIVER SUPPORT SYSTEMS
CAN BUS TERMINAL RESISTOR 11
CENTER CONSOLE CONTROL PANEL
CENTER STACK STORAGE COMPARTMENT LIGHTING SWITCH
CLUTCH MODULE
COOLANT LEVEL SENSOR
DASHBOARD LIGHTING
DASHBOARD LIGHTING 2
DASHBOARD LIGHTING 3
DIAGNOSTIC SOCKET
DRIVER CAMERA SYSTEM
DRIVER OUTSIDE DOOR HANDLE ELECTRONIC
EARLY PRODUCTION
ELECTROCHROMIC INTERIOR MIRROR
ETHERNET SWITCH
FRONT CENTER ARMREST LIGHT
FRONT INTERIOR LIGHT
FRONT PASSENGER'S DOOR GROUND LIGHT 3
FRONT RIGHT DOOR SILL LIGHT STRIP
FRONT RIGHT VENTILATION GRILLE
LATE PRODUCTION
LEFT FRONT FOOTWELL LIGHT
LEFT FRONT VANITY MIRROR SWITCH
LEFT ILLUMINATED CARPET
LEFT REAR DOOR SILL LIGHT STRIP
NCA WIRE
OPTIONAL EQUIPMENT SYSTEM
PASSENGER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS
RAIN/LIGHT/ SOLAR CONDENSATION SENSOR
REAR INTERIOR LIGHT
REAR PASSENGER SIDE SILL COURTESY LIGHT
REAR PASSENGER'S SIDE COURTESY LIGHT
REAR PASSENGER'S SIDE DOOR POCKET LIGHTING
REAR PASSENGER'S SIDE DOOR POCKET LIGHTING 2
REAR PASSENGER'S SIDE INSIDE DOOR HANDLE LIGHT
REAR PASSENGER'S SIDE OUTSIDE DOOR HANDLE ELECTRONICS
REMOTE CONTROL RECEIVER
RIGHT FRONT FOOTWELL LIGHT
RIGHT FRONT VANITY MIRROR SWITCH
RIGHT ILLUMINATED CARPET
ROOF FUNCTION CENTER
TOP REAR PASSENGER DOOR TRIM PANEL LIGHTING
W/O INTERIOR LIGHT PACKAGE
Go to component -> Ground distribution circuit (6 of 7) -> BRN WIRE
Wiring diagram brn (148 of 165)
AIR CONDITIONING COMPRESSOR
AUXILIARY BATTERY
BATTERY
BLK WIRE
BODY DOMAIN CONTROLLER
BRN WIRE
BRN/BLK WIRE
CAN BUS TERMINAL RESISTOR 2
CAN BUS TERMINAL RESISTOR 6
CONTACT FREE TAILGATE OPERATING EVALUATION ELECTRONICS
DIGITAL MOTOR ELECTRONICS
ELECTRIC FAN
ELECTRIC FUEL PUMP CONTROL ELECTRONICS
ELECTRICAL EXHAUST FLAP
ELECTROMECHANICAL POWER STEERING
ELECTRONIC TRANSMISSION CONTROL
FRONT ELECTRIC AUXILIARY HEATER
FRONT PASSENGER'S SEAT OCCUPANCY DETECTION EVALUATION ELECTRONICS
HEAT MANAGEMENT MODULE
INTELLIGENT BATTERY SENSOR
INTERFERENCE SUPPRESSION FILTER
LEFT REAR NEAR RANGE RADAR SENSOR
LOW TEMPERATURE COOLANT CIRCUIT COOLANT PUMP
NATURAL VACUUM LEAK DETECTION
NCA WIRE
REAR PASSENGER'S SIDE FOOTWELL LIGHT
REAR POWER DISTRIBUTION BOX
REAR VIEW CAMERA
REAR VIEW CAMERA SHIELD
REGULATED DIFFERENTIAL LOCK
RIGHT REAR DOOR SILL LIGHT STRIP
RIGHT REAR NEAR RANGE RADAR SENSOR
TELEMATIC COMMUNICATION BOX
TRANSFER BOX
TURBOCHARGER COOLANT PUMP
Go to component -> Ground distribution circuit (7 of 7) -> BRN WIRE
Wiring diagram brn (149 of 165)
BLU WIRE
BRN WIRE
COMPUTER DATA LINES SYSTEM
FUSE 25
GRN WIRE
GRY/BLK WIRE
HOT AT ALL TIMES
RED WIRE
RED/BLU WIRE
RIGHT FRONT POWER DISTRIBUTION BOX
ROOF FUNCTION CENTER
SLIDE/TILT SUNROOF DRIVE (FRONT OF SUNROOF)
SLIDING/ TILTING SUNROOF SWITCH
SUNROOF SHADE DRIVE
WHT/BLU WIRE
YEL WIRE
YEL/BLK WIRE
YEL/BLU WIRE
YEL/GRN WIRE
YEL/WHT WIRE
Go to component -> Power top/sunroof circuit -> BRN WIRE
Wiring diagram brn (150 of 165)
BLK/GRN WIRE
BLK/GRY WIRE
BLK/WHT WIRE
BODY DOMAIN CONTROLLER
BRN WIRE
BRN/BLK WIRE
COMPUTER DATA LINES SYSTEM
FUSE 3
GRY WIRE
HOT W/ TERMINAL BI-STABLE RELAY ENERGIZED
RAIN/LIGHT/ SOLAR CONDENSATION SENSOR
RED/BLK WIRE
RED/GRN WIRE
RED/GRY WIRE
RED/YEL WIRE
VIO WIRE
WASHER FLUID LEVEL SENSOR
WINDSHIELD WASHER PUMP
WIPER DRIVE
Go to component -> Wiper/washer circuit -> BRN WIRE
