BMW Z4 E85/E86 (2002-2005) heating, a/c system Wiring diagrams

A/C COMP CTRL K-BUS SIG AUC SENSOR 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 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/VIO 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 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 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 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

29 4 38 39 A/C COMP FAN COOL OUT TEMP COOL OUT TEMP A/C COMP CTRL K-BUS SIG AIR DISTRIBUTION FLAP MOTOR ELECTRIC FAN AIR DISTRIBUTION MICROSWITCH BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLOWER OUTPUT STAGE (RIGHT SIDE OF DASH) BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOL TEMP COOL TEMP SIG COOLANT PRESSURE SENSOR (RIGHT SIDE OF ENGINE COMPT) DEFOGGER SYSTEM DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) 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/BRN WIRE GRY/RED WIRE HEATING, A/C SYSTEM HOT AT ALL TIMES HOT IN RUN, START MIXER FLAP MOTOR (RIGHT SIDE OF DASH) 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) REMOTE TEMPERATURE SENSOR WHT WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE CD CHANGER CHARACTERISTIC MAP COOLING THERMOSTAT (2004) DIGITAL MOTOR ELECTRONICS CONTROL UNIT DYNAMIC STABILITY CONTROL ELECTRONIC IMMOBLIZER CONTROL UNIT FOG LIGHT RELAY FROM FUEL PUMP RELAY FUEL TANK VENT VALVE FUSE FUSE FUSE GENERAL MODULE CONTROL UNIT GRN WIRE GRY WIRE HEAD- LIGHT WASHER PUMP RELAY HEATING, A/C SYSTEM HORN RELAY IDLE SPEED CONTROL VALVE INDIVIDUAL CONTROL INTAKE SYSTEM VALVE ORG/ WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) REAR WINDOW DEFROSTER RELAY RED WIRE SAFETY INFORMATION MODULE TO FUSE VANOS VANOS EXHAUST INLET VALVE VALVE VIO WIRE WHT WIRE WIPER RELAY 1 WIPER RELAY 2 YEL WIRE

2004 W/SMG A/T M/T BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE DIGITAL MOTOR ELECTRONICS CONTROL UNIT DYNAMIC STABILITY CONTROL SPORT BUTTON ELECTROCHROMIC INTERIOR REAR VIEW MIRROR ELECTRONIC POWER STEERING ELECTRONIC VEHICLE IMMOBLIZER FROM FROM FUSE FUSE GRN WIRE HEATING, A/C SYSTEM IGNITION SWITCH INSTRUMENT CLUSTER CONTROL MODULE LIGHT SWITCH CLUSTER NCA WIRE OBD II SOCKET OFF OIL LEVEL SENSOR PARK DRIVER'S DISTANCE DOOR CONTROL MODULE UNIT PASSENGER'S HEATED WASHER SIDE OUTSIDE NOZZLES MIRROR THERMAL SWITCH POWER DISTRIBUTION (RIGHT SIDE OF DASH) REAR WINDOW DEFROSTER RELAY RED WIRE REVERSING REVERSING LIGHT LIGHT RELAY SWITCH RUN WIRE SEQUENTIAL MANUAL TRANSMISSION (SMG) STEERING ANGLE SENSOR DSC TO FUSE TRANSMISSION CONTROL UNIT (A/T) VIO WIRE WHT WIRE YEL WIRE