BMW Z4 E85/E86 facelift (2005-2009) integrated supply module (ivm) (left rear of engine compt) Wiring diagrams

A/C COMP CTRL K-BUS SIG AUC SENSOR AUX WATR PMP AUXILIARY WATER PUMP (LEFT SIDE OF ENGINE COMPT) BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLU WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT PRESSURE SENSOR (RIGHT SIDE OF ENGINE COMPT) DEFOGGER SYSTEM FLAP MTR SIG FLAP MTR GND FLAP MTR SIG FLAP MTR GND FRESH AIR/ RECIRCULATING FLAP MOTOR (RIGHT SIDE OF DASH) FUSE GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HEATING, A/C SYSTEM HOT AT ALL TIMES HOT IN RUN, START INTEGRATED SUPPLY MODULE (IVM) (LEFT REAR OF ENGINE COMPT) NCA WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR CONTROL VALVE (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/VIO WIRE

4 17 8 9 COOL TEMP SIG COOL TEMP 8 6 19 8 6 19 FAN COOL OUT TEMP COOL OUT TEMP A/C COMP BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLOWER OUTPUT STAGE (RIGHT SIDE OF DASH) BLU WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE COOLT PUMP DEFROSTER FLAP MOTOR (LEFT SIDE OF DASH) DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) ELECTRIC COOLANT PUMP ELECTRIC FAN (FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR EVAPORATIVE TEMPERATURE SENSOR (LEFT SIDE OF DASH) FOOTWELL FLAP MOTOR (RIGHT SIDE OF DASH) FUSE GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES POWER DISTRIBUTION (RIGHT SIDE OF DASH) FUSE INTEGRATED SUPPLY MODULE (IVM) (LEFT REAR OF ENGINE COMPT) MIX AIR TEMPERATURE SENSOR (TOP CENTER OF DASH) MIXER FLAP MOTOR (RIGHT SIDE OF DASH) ORG/ WIRE OUTLET TEMPERATURE SENSOR RED WIRE RED/BLU WIRE RED/GRN WIRE VENTILATION FLAP MOTOR (RIGHT SIDE OF DASH) VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE

BLU WIRE BRN WIRE ELECTROCHROMIC INTERIOR REAR VIEW MIRROR FUSE GRN WIRE HOT IN RUN OR START INSTRUMENT CLUSTER CONTROL MODULE INTEGRATED SUPPLY MODULE (IVM) (LEFT REAR OF ENGINE COMPT) LEFT BACK-UP LIGHT LEFT TAIL LIGHT NAVIGATION SYSTEM POWER DISTRIBUTION (RIGHT SIDE OF DASH) REVERSING LIGHT RELAY REVERSING LIGHT SWITCH (M/T) RIGHT BACK-UP LIGHT RIGHT TAIL LIGHT TRANSMISSION CONTROL UNIT (LEFT REAR OF ENGINE COMPT) WHT WIRE YEL WIRE

16 9 12 CAN (-) CAN (+) K-BUS 21 1 14 RPM SIG CAN (-) CAN (+) 21 16 17 14 DIAG TXD CAN (-) CAN (+) K-BUS 3 2 6 DIAG TXD CAN (-) CAN (+) AMPLIFIER TELEPHONE TRANSCEIVER BLK WIRE BLK/BLU WIRE BRN WIRE BRN/BLK WIRE CAN (-) CAN (+) DIAG TXD CD CHANGER VOICE CONTROL SYSTEM CENTER CONSOLE SWITCH CENTER CENTRAL INFORMATION DISPLAY CONVERTIBLE TOP MODULE DIAG TXD CAN (-) CAN (+) DIGITAL MOTOR ELECTRONICS DRIVER'S SEAT MEMORY DYNAMIC STABILITY CONTROL ELECTRONIC IMMOBILIZE CONTROL UNIT ELECTRONIC POWER STEERING FUEL PUMP CONTROL (EKPS) FUSE GENERAL MODULE CONTROL UNIT K-BUS GRN/BRN WIRE GRY WIRE HEATING, A/C CONTROL MODULE K-BUS HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER INTEGRATED SUPPLY MODULE (IVM) (LEFT REAR OF ENGINE COMPT) K- BUS K- BUS K- BUS LIGHT SWITCH CENTER NAVIGATION SYSTEM NCA WIRE OBD II SOCKET (LEFT SIDE OF DASH) PARK DISTANCE CONTROL (PDC) POWER DISTRIBUTION (RIGHT SIDE OF DASH) RADIO RAIN/ CRASH SAFETY MODULE HEADLIGHT SENSOR RED WIRE RED/YEL/WHT WIRE SEAT OCCUPANCY RECOGNITION STEERING ANGLE SENSOR TIRE PRESSURE CONTROL (RDC) K-BUS TRANSMISSION CONTROL UNIT VIDEO MODULE VOLUTE SPRING WHT WIRE WHT/RED WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

2 3 4 5 6 VOLTAGE SUPPLY GROUND GROUND GROUND GROUND 36 38 37 14 15 16 TP SIG RETURN TP SIG VOLTAGE SUPPLY THROTTLE ACT THROTTLE ACT ACCELERATOR PEDAL MODULE ANTI-THEFT SYSTEM BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRAKELIGHT SWITCH (LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE CAN (-) CAN (+) CLUTCH SWITCH MODULE (IF EQUIPPED) (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL STEERING COLUMN SWITCH CRUISE CONTROL SW DIAG TXD CAN (-) CAN (+) 6 2 DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) ELECTRIC THROTTLE ACTUATOR FUSE 14 FUSE 21 GRN WIRE GRN/YEL WIRE GRY WIRE HOT IN ACC, RUN OR START HOT IN RUN OR START INTEGRATED SUPPLY MODULE (IVM) (LEFT REAR OF ENGINE COMPT) ORG/ WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE TRANSMISSION CONTROL UNIT (LEFT REAR OF ENGINE COMPT) VIO WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE CLUTCH SWITCH MODULE (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONIC CONTROL UNIT (LEFT REAR ENG COMPT) ELECTRONIC IMMOBILIZER CONTROL UNIT EWS TOROIDAL COIL FUSE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START IGNITION SWITCH INSTRUMENT CLUSTER CONTROL MODULE INTEGRATED SUPPLY MODULE (IVM) (LEFT REAR OF ENGINE COMPT) LOCK POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RED/VIO WIRE RUN WIRE STARTER STARTING/ CHARGING SYSTEM TRANS SW SIG TRANSMISSION CONTROL UNIT (LEFT REAR ENG COMPT) VIO WIRE VIO/YEL WIRE WHT/RED/YEL WIRE YEL WIRE

4 17 COOL TEMP SIG COOL TEMP 8 6 19 FAN COOL OUT TEMP COOL OUT TEMP A/C COMP A/C COMP CTRL K-BUS SIG AIR DISTRIBUTION FLAP MOTOR ELECTRIC FAN (FRONT OF ENGINE COMPT) AIR DISTRIBUTION MICROSWITCH BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLOWER OUTPUT STAGE (RIGHT SIDE OF DASH) BLU WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT PRESSURE SENSOR (RIGHT SIDE OF ENGINE COMPT) COOLT PUMP DEFOGGER SYSTEM DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) ELECTRIC COOLANT PUMP ENGINE COOLANT TEMPERATURE SENSOR EVAPORATIVE TEMPERATURE SENSOR (LEFT SIDE OF DASH) FLAP MTR SIG FLAP MTR GND FLAP MTR SIG FLAP MTR GND FRESH AIR/ RECIRCULATING FLAP MOTOR (RIGHT SIDE OF DASH) FUSE GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HEATING, A/C SYSTEM HOT AT ALL TIMES HOT IN RUN, START INTEGRATED SUPPLY MODULE (IVM) (LEFT REAR OF ENGINE COMPT) MIXER FLAP MOTOR (RIGHT SIDE OF DASH) ORG/ WIRE OUTLET TEMPERATURE SENSOR POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR CONTROL VALVE (RIGHT SIDE OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN OR START POWER DISTRIBUTION (RIGHT SIDE OF DASH) INTEGRATED SUPPLY MODULE (IVM) (LEFT REAR OF ENGINE COMPT) RED WIRE REVERSING LIGHT RELAY SHIFT LOCK SELECTOR LEVER LOCK TRANSMISSION CONTROL (LEFT REAR ENGINE COMPT) VIO WIRE VIO/BLK WIRE VIO/BRN WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BSD SIG CAN L COMPUTER DATA LINES SYSTEM CYL 2 CYL 3 CYL 4 CYL 5 CYL 6 DIGITAL MOTOR ELECTRONICS CONTROL UNIT (LEFT REAR ENGINE COMPT) DISA SIG DME RLY DOUBLE KNOCK SENSOR ELECTRIC THROTTLE ACTUATOR ENG HEAT RLY FUEL INJECTION VALVES FUEL INJECTORS RELAY FUEL TANK SIG FUSE INTAKE PIPE PRESSURE SENSOR INTEGRATED SUPPLY MODULE (IVM) (LEFT REAR OF ENGINE COMPT) NCA WIRE ORG/ WIRE RED WIRE SENSOR SENSOR GRD SENSOR SIG THROTTLE THROTTLE GRD THROTTLE SIG VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 3 4 5 6 TERM 30 TERM 87 GROUND GROUND GROUND GROUND 1 2 3 4 5 6 TERM 87 TERM 87 VAR GEAR SIG VAR GEAR SIG VAR GEAR SIG VAR GEAR SIG BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAMSHAFT POSITION SENSOR (EXHAUST) CAMSHAFT POSITION SENSOR (INTAKE) CHARACTERISTIC MAP COOLING THERMOSTAT COOLING FANS SYSTEM DIGITAL MOTOR ELECTRONICS CONTROL UNIT (LEFT REAR ENGINE COMPT) ECCENTRIC SHAFT SENSOR ENGINE COOLANT TEMPERATURE SENSOR EXHAUST VANOS VALVE FUSE GRN WIRE HOT AT ALL TIMES IGNITION COILS INTAKE VANOS VALVE INTEGRATED SUPPLY MODULE (IVM) (LEFT REAR OF ENGINE COMPT) INTERFERENCE SUPPRESSION CAPACITOR NCA WIRE OIL PRESSURE SWITCH (TOP LEFT SIDE OF ENGINE) ORG/ WIRE RED WIRE RED/WHT WIRE VARIABLE VALVE TIMING GEAR ACTUATOR VIO WIRE VVT RELAY WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE