BMW Z4 E85/E86 (2002-2005) nca Wiring diagrams

2005- 2006 ONLY 2006 ONLY BLU WIRE BRAKE FLUID LEVEL SWITCH COOLANT LEVEL SWITCH BRAKE LIGHT SWITCH BRN WIRE BRN/BLK WIRE CENTER SWITCH CONSOLE CENTER CLUTCH SWITCH DIRECTION INDICATOR/ HIGH BEAM HEADLIGHT SWITCH DME CONTROL MODULE DRIVER'S DOOR HANDLE LIGHTING DRIVER'S DOOR MODULE DRIVER'S DOOR SYSTEM LOCK DRIVER'S SEAT BACKREST HEATING DRIVER'S SEAT MEMORY DRIVER'S SEAT CUSHION HEATING DRIVER'S SIDE FOOTWELL LIGHT DRIVER'S WINDOW MOTOR ELECTRIC FAN ELECTRONIC VEHICLE IMMOBILIZER FRONT CIGAR LIGHTER GEAR INDICATOR LIGHTING GLOVE COMPARTMENT LIGHT GONG GRN WIRE HEADLIGHT WASHER PUMP HOOD CONTACT SWITCH INSTRUMENT CLUSTER CONTROL MODULE LEFT FOG LIGHT LEFT FRONT DIRECTION INDICATOR LIGHT REPEATER LEFT HEADLIGHT LEFT HEATED WASHER NOZZLE LEFT HORN LIGHT SWITCH CLUSTER NCA WIRE OBD II SOCKET REAR LID RELEASE SWITCH RIGHT FOG LIGHT RIGHT FRONT DIRECTION INDICATOR LIGHT REPEATER RIGHT HEADLIGHT RIGHT HEATED WASHER NOZZLE RIGHT HORN RIGHT SWITCH CLUSTER HORN SWITCH SECONDARY AIR PUMP SELECTOR LEVER STEERING ANGLE SENSOR STEERING COLUMN SWITCH VOLUTE SPRING WINDSHIELD WASHER PUMP WIPER MOTOR WIPER SWITCH

2005- AIRBAG INDICATOR LIGHT AMPLIFIER AUXILIARY BRAKE LIGHT BLK WIRE BRN WIRE BRN/BLK WIRE CD CHANGER CENTRAL INFORMATION DISPLAY VIDEO MODULE COMPENSATOR RADIO CONVERTIBLE SOFT TOP LOWERED SWITCH CONVERTIBLE TOP COMPARTMENT FLOOR SWITCH CONVERTIBLE TOP MODULE EJECT BOX ELECTRIC FUEL PUMP ELECTROCHROMIC INTERIOR REAR VIEW MIRROR PARK DISTANCE CONTROL ELECTRONIC INTERIOR REAR-VIEW MIRROR EMERGENCY CALL BUTTON GEAR INDICATOR LIGHTING GENERAL MODULE CONTROL MODULE HARDTOP LOCATING POINT HAZARD WARNING/ CENTRAL LOCKING SWITCH INTERIOR MOVEMENT DETECTOR LEFT LICENSE PLATE LIGHT LEFT REAR SIDE MARKER LIGHT LEFT TAILLIGHT NAVIGATION SYSTEM NCA WIRE ODDMENTS COMPARTMENT LIGHTING (BOTTOM) ODDMENTS COMPARTMENT LIGHTING (TOP) RAIN/ HEADLIGHT SENSOR RIGHT LICENSE PLATE LIGHT RIGHT REAR BRAKE PAD WEAR SENSOR RIGHT REAR SIDE MARKER LIGHT RIGHT TAILLIGHT SAFETY INFORMATION MODULE SATELLITE (LEFT "B" PILLAR) SATELLITE (LEFT FRONT DOOR) SATELLITE (RIGHT FRONT DOOR) SATELLITE (RIGHT "B" PILLAR) SEAT OCCUPANCY RECOGNITION SPORT BUTTON STEPTRONIC SWITCH TELEPHONE TRANSCEIVER TRUNK LID CENTRAL LOCKING DRIVE TRUNK LID/ TAILGATE LOCK SWITCH VOICE CONTROL SYSTEM

2005 ONLY 2006 ONLY BRAKES SOLENOID VALVE BRN WIRE CLUTCH SOLENOID VALVE CONVERTIBLE TOP RELAY 1 CONVERTIBLE TOP RELAY 2 DME CONTROL MODULE DME CONTROL MODULE OIL LEVEL SENSOR FOLD-IN OUTSIDE MIRROR FRONT INTERIOR/ READING LAMP FUEL INJECTORS RELAY GEAR SHIFT LEVER LIGHTING GEAR SOLENOID VALVE 1 GEAR SOLENOID VALVE 2 HEATING/ AIR CONDITIONING SYSTEM BLOWER OUTPUT STAGE HYDRAULIC PUMP RELAY IGNITION COIL (CYL 2) IGNITION COIL (CYL 1) IGNITION COIL (CYL 4) IGNITION COIL (CYL 3) IGNITION COIL (CYL 5) IGNITION COIL (CYL 6) NCA WIRE OIL LEVEL SENSOR PASSENGER'S DOOR HANDLE LIGHTING PASSENGER'S DOOR POWER WINDOW SWITCH PASSENGER'S DOOR SYSTEM LOCK PASSENGER'S SEAT ADJUSTMENT SWITCH GENERAL MODULE CONTROL MODULE PASSENGER'S SEAT BACKREST HEATING PASSENGER'S SEAT CUSHION HEATING PASSENGER'S SIDE FOOTWELL LIGHT PASSENGER'S SIDE OUTSIDE MIRROR PASSENGER'S WINDOW MOTOR POWER DISTRIBUTION SEQUENTIAL MANUAL TRANSMISSION RPM SENSOR SHIELD TOP OF ENGINE) TRANSMISSION CONTROL

BRN WIRE BRN/BLK WIRE BRN/RED WIRE FUSE GRN WIRE HORN RELAY HORN SWITCH HOT AT ALL TIMES HOT IN ACC, RUN OR START LEFT HORN NCA WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) RIGHT HORN VIO WIRE VIO/BLU WIRE VOLUTE SPRING

A/T BLK WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH (BRAKE FLUID RESERVOIR) BRN WIRE BRN/BLK WIRE BRN/BLK/WHT WIRE BRN/BLK/YEL WIRE BRN/GRN/YEL WIRE BRN/WHT WIRE CAN BUS LOW CAN BUS HIGH BRAKE WEAR SENSOR SIG COOLANT LEVEL TOO LOW SIG CHIME MODULE (GONG) COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH DYNAMIC STABILITY CONTROL (LEFT REAR ENGINE COMPT) ELECTRIC FUEL PUMP (UNDER REAR OF VEHICLE) ELECTROCHROMIC INTERIOR REAR VIEW MIRROR GRN WIRE GRN/YEL WIRE GRY/BLK/YEL WIRE HOT AT ALL TIMES FUSE HOT IN ACC, RUN, START FUSE HOT IN RUN, START FUSE INSTRUMENT CLUSTER CONTROL MODULE LEFT FRONT BRAKE PAD SENSOR LEFT FUEL TANK SENSOR RIGHT FUEL TANK SENSOR OUTSIDE TEMP SENS LEFT TAILLIGHT M/T NAVIGATION SYSTEM (REAR CENTER CONSOLE) NCA WIRE OUTSIDE TEMPERATURE SENSOR (UNDER LEFT FRONT OF VEHICLE) PARKING BRAKE SWITCH POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/YEL WIRE REVERSING LIGHT RELAY REVERSING LIGHT SWITCH RIGHT REAR BRAKE PAD SENSOR RIGHT TAILLIGHT STARTING/CHARGING, ANTI-THEFT SYSTEMS EXTERIOR LIGHTS SYSTEM TXD DIAGNOSTIC SIG M/T, REV, SHIFT TO + VIO WIRE VIO/YEL WIRE WHT WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 REVERSE SIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TERMINAL 30 A/T ANTI-LOCK BRAKES SYSTEM BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DYNAMIC STABILITY CONTROL (LEFT REAR OF ENGINE COMPT) FUSE GPS ANTENNA GROUND HOT AT ALL TIMES HOT IN RUN, ACCY OR INSTRUMENT CLUSTER K-BUS SIG M/T NAVIGATION COMPUTER (LEFT SIDE OF LUGGAGE COMPT) NCA WIRE NEGATIVE ACTIVATION RADIO POSITIVE ACTIVATION RADIO POWER DISTRIBUTION (RIGHT SIDE OF DASH) RADIO RED/GRN WIRE REVERSING LIGHT RELAY (LEFT REAR OF ENGINE COMPT) REVERSING LIGHT SWITCH (RIGHT SIDE OF TRANSMISSION) SIG NAV BUS SPEED SIG TERMINAL R VIO/WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED/YEL WIRE YEL/BRN WIRE

1 2 3 4 5 6 7 8 9 FUEL INJ RELAY BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHARACTERISTIC MAP COOLING THERMOSTAT (2003) (ON CYLINDER HEAD) CHARGING SYSTEM CRANKSHAFT POSITION SENSOR (LEFT SIDE OF ENGINE) CYL 1 CYL 2 CYL 3 CYL 4 CYL 5 CYL 6 DIAG TXD GROUND GROUND GROUND TERM 30 VOLTAGE SUPPLY DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX (LEFT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) EVAP VALVE CLOSE SIG OPEN SIG FUEL INJ 3 IAT SIG FUEL INJECTION VALVES FUEL INJECTORS RELAY GEN GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE HOT AT ALL TIMES E-BOX (LEFT REAR OF ENGINE COMPT) FUSE HOT FILM MASS AIR FLOW SENSOR (LEFT SIDE OF ENGINE COMPT) ICIS VALVE KNOCK SENSOR (REAR OF ENGINE) NCA WIRE OIL PRESSURE SWITCH OIL TEMPERATURE SENSOR (FRONT OF ENGINE, UNDER INTAKE) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE RETURN OIL LEVEL THROTTLE ACT THROTTLE ACT OIL TEMP OIL TEMP KNOCK SENS KNOCK SENS WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

32 37 36 TXD DIAG CAN L CAN H BLK WIRE BLK/RED/YEL WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CAN-L CAN-H CHARACTERISTIC MAP COOLING THERMOSTAT (2004) (ON CYLINDER HEAD) DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DME RELAY E BOX (LEFT REAR OF ENGINE COMPT) FUSE FUEL PUMP (IN FUEL TANK) FUEL PUMP RELAY FUEL TANK IDLE SPEED VENT CONTROL VALVE VALVE (LEFT SIDE OF ENGINE) FUSE FUSE FUSE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT IN RUN OR START INDIVIDUAL CONTROL INTAKE SYSTEM VALVE (LEFT SIDE OF ENGINE COMPARTMENT) NCA WIRE ORG/ WIRE OXYGEN SENSOR 1 (BEHIND CATALYTIC CONVERTER) OXYGEN SENSOR 1 (IN FRONT OF CATALYTIC CONVERTER) OXYGEN SENSOR 2 (IN FRONT OF CATALYTIC CONVERTER) POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/WHT WIRE RED/WHT/YEL WIRE SECO- NDARY AIR PUMP SECON- DARY AIR PUMP RELAY VANOS INLET VALVE (LEFT SIDE OF ENGINE, UNDER INTAKE) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 FUEL INJ RELAY BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHARACTERISTIC MAP COOLING THERMOSTAT (2003) (ON CYLINDER HEAD) CHARGING SYSTEM CRANKSHAFT POSITION SENSOR (LEFT SIDE OF ENGINE) CYL 1 CYL 2 CYL 3 CYL 4 CYL 5 CYL 6 DIAG TXD GROUND GROUND GROUND TERM 30 VOLTAGE SUPPLY DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX (LEFT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) EVAP VALVE CLOSE SIG OPEN SIG FUEL INJ 3 IAT SIG FUEL INJECTION VALVES FUEL INJECTORS RELAY GEN GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE HOT AT ALL TIMES E-BOX (LEFT REAR OF ENGINE COMPT) FUSE HOT FILM MASS AIR FLOW SENSOR (LEFT SIDE OF ENGINE COMPT) ICIS VALVE KNOCK SENSOR (REAR OF ENGINE) NCA WIRE OIL PRESSURE SWITCH OIL TEMPERATURE SENSOR (FRONT OF ENGINE, UNDER INTAKE) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE RETURN OIL LEVEL THROTTLE ACT THROTTLE ACT OIL TEMP OIL TEMP KNOCK SENS KNOCK SENS WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

32 37 36 TXD DIAG CAN L CAN H BLK WIRE BLK/RED/YEL WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CAN-L CAN-H CHARACTERISTIC MAP COOLING THERMOSTAT (2004) (ON CYLINDER HEAD) DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DME RELAY E BOX (LEFT REAR OF ENGINE COMPT) FUSE FUEL PUMP (IN FUEL TANK) FUEL PUMP RELAY FUEL TANK IDLE SPEED VENT CONTROL VALVE VALVE (LEFT SIDE OF ENGINE) FUSE FUSE FUSE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT IN RUN OR START INDIVIDUAL CONTROL INTAKE SYSTEM VALVE (LEFT SIDE OF ENGINE COMPARTMENT) NCA WIRE ORG/ WIRE OXYGEN SENSOR 1 (BEHIND CATALYTIC CONVERTER) OXYGEN SENSOR 1 (IN FRONT OF CATALYTIC CONVERTER) OXYGEN SENSOR 2 (IN FRONT OF CATALYTIC CONVERTER) POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/WHT WIRE RED/WHT/YEL WIRE SECO- NDARY AIR PUMP SECON- DARY AIR PUMP RELAY VANOS INLET VALVE (LEFT SIDE OF ENGINE, UNDER INTAKE) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE