BMW Z4 E85/E86 facelift (2005-2009) heating, a/c system 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

BLK WIRE BRN WIRE FUSE HEATING, A/C SYSTEM HOT AT ALL TIMES HOT IN RUN OR START NCA WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) REAR WINDOW DEFROSTER REAR WINDOW DEFROSTER RELAY RED WIRE YEL WIRE

BLK WIRE BRN WIRE FUSE HARDTOP LOCATOR 1 HARDTOP LOCATOR 2 HARDTOP REAR WINDOW DEFROSTER HEATING, A/C SYSTEM HOT AT ALL TIMES HOT IN RUN OR START NCA WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) REAR WINDOW DEFROSTER RELAY RED WIRE YEL WIRE

BLK WIRE BRN WIRE CONVERTIBLE TOP REAR WINDOW DEFROSTER FUSE GRN WIRE GRY WIRE HARDTOP LOCATOR II HEATING, A/C SYSTEM HOT AT ALL TIMES HOT IN RUN OR START NCA WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) REAR WINDOW DEFROSTER RELAY RED WIRE YEL WIRE

BLK WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP LOWERED SWITCH CONVERTIBLE TOP REAR WINDOW DEFROSTER FUSE GENERAL MODULE CONTROL MODULE (RIGHT SIDE OF DASH) GRN WIRE GRN/GRY WIRE GRY WIRE HARDTOP LOCATOR I HARDTOP LOCATOR II HEATING, A/C SYSTEM HOT AT ALL TIMES HOT IN RUN OR START NCA WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) REAR WINDOW DEFROSTER RELAY RED WIRE RED/GRN/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 WIRE CD CHANGER DYNAMIC STABILITY CONTROL ELECTRONIC IMMOBILIZER CONTROL UNIT FOG LIGHT RELAY FROM FUEL PUMP RELAY FUSE FUSE FUSE GENERAL MODULE CONTROL UNIT GRN WIRE GRY WIRE HEAD- LIGHT WASHER PUMP RELAY HEATING, A/C SYSTEM HORN RELAY INTERIOR MOVEMENT DETECTOR POWER DISTRIBUTION (RIGHT SIDE OF DASH) REAR WINDOW DEFROSTER RELAY RED WIRE SIREN, ELECTRONIC TILT ALARM INTERIOR SENSOR REAR VIEW MIRROR TIRE PRESSURE CONTROL (RDC) TO FUSE VIO WIRE WIPER RELAY 1 WIPER RELAY 2 YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CIGAR LIGHTER RELAY CRUISE CONTROL STEERING COLUMN SWITCH DRIVER'S DOOR MODULE DYNAMIC STABILITY CONTROL ELECTROCHROMIC ELECTRONIC POWER STEERING ELECTRONIC VEHICLE IMMOBILIZER FROM FROM FUSE FUEL PUMP CONTROL (EKPS) FUSE GRN WIRE HEATING, A/C SYSTEM IGNITION SWITCH INTEGRATED SUPPLY MODULE (IVM) INTERIOR REAR VIEW MIRROR LIGHT INSTRUMENT SWITCH CLUSTER CLUSTER CONTROL MODULE NCA WIRE OBD II SOCKET OFF PARK DISTANCE CONTROL UNIT PASSENGER'S SIDE OUTSIDE MIRROR POWER DISTRIBUTION (RIGHT SIDE OF DASH) REAR WINDOW DEFROSTER RELAY RED WIRE RUN WIRE SPORT BUTTON STEERING ANGLE SENSOR DSC TERMINAL 15 POWER SAVING RELAY TO FUSE VIO WIRE WHT WIRE YEL WIRE