Fuse and relay box diagrams – BMW Z3
Applies to vehicles manufactured over the years:
1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002.
Front power distribution box
| Number | Amps [A] | Description |
|---|---|---|
| 1 | – | – |
| 2 | – | – |
| 3 | – | – |
| 4 | – | – |
| 5 | 5 | 1995-1999: Horn Relay |
| 15 | 1999-2002: Horn Relay | |
| 6 | 5 | Driver’s side mirror illumination |
| Make-up mirror illumination, passenger side | ||
| Cabrio soft top control unit | ||
| 7 | 5 | Radio Control Unit |
| AM/FM aerial amplifier (with remote control central locking) | ||
| Onboard Monitor Control Unit | ||
| Surround Sound Switch | ||
| Sceptre | ||
| Navigation Computer | ||
| GPS Receiver | ||
| Transmit/receive/electronic charging | ||
| Push button, closed convertible top | ||
| Telephone with basic interface | ||
| Voice Input | ||
| Variety | ||
| Slide out box | ||
| Telematic Control Unit (TCU-Everest) | ||
| Universal Electronic Charging and Hands-Free Module (ULF) | ||
| 8 | 5 | Mechanical Sequential Transmission |
| 9 | 5 | General module control unit |
| Light switching center control unit | ||
| Cruise control module | ||
| Brake Light Switch | ||
| Leaf Spring | ||
| Clutch switch module | ||
| 10 | 5 | Instrument cluster control unit |
| 11 | 5 | Left side airbag sensor (satellite) |
| Right side airbag sensor (satellite) | ||
| Multiple restraint system control unit | ||
| Hall sensor, driver’s seat belt buckle | ||
| Hall Sensor, passenger seat belt buckle | ||
| Electronic seat control | ||
| 12 | 7,5 | Switching Center |
| 13 | 7,5 | Rollover sensor |
| 14 | 5 | Electronic immobilizer control unit |
| Gearshift interlock | ||
| 15 | 5 | Rain Sensor |
| Intermittent wiping/washing control unit, rear | ||
| 16 | – | – |
| 17 | 30 | General module control unit |
| 18 | 20 | Lighter |
| 19 | – | – |
| 20 | – | – |
| 21 | – | – |
| 22 | 15 | 1995-1999: Mechanical sequential gearbox |
| 25 | 1999-2002: Mechanical sequential gearbox | |
| Compensator | ||
| Switching Center | ||
| 23 | 25 | Auxiliary water pump |
| 24 | 10 | Rear view interior mirror, electrochromatic |
| Park distance control unit (PDC) | ||
| 25 | 15 | Exterior mirror on passenger side |
| Thermal switch, heated spray nozzles | ||
| 26 | 15 | Garage door opener |
| 27 | 10 | Reverse light relay |
| Gear Shift Switch | ||
| Transmission control unit | ||
| 28 | 5 | Heating and air conditioning control module |
| Heating Fan Relay | ||
| A/C Compressor Relay | ||
| Dual-function air recirculation switch/rear window defogger | ||
| Temperature Switch | ||
| Rear window defogger relay (convertible) | ||
| 29 | 20 | Digital control unit for motor electronics |
| Relay terminal 15 | ||
| Digital control unit for diesel electronics | ||
| Transmission control unit | ||
| 30 | 7,5 | Oil level sensor |
| Alternator | ||
| Temperature switch | ||
| Transmission control unit | ||
| Data link connector | ||
| 31 | 5 | Mirror adjustment switch |
| 32 | 5 | Uni Lighting Control Center |
| Left Xenon Headlight | ||
| Xenon Headlamp, right | ||
| Control unit for adaptive headlights () | ||
| 33 | 5 | ASC/DSC Button |
| ABS/DSC unit (with DSC) | ||
| Switching Center | ||
| 34 | 5 | Instrument cluster control unit |
| Fuel Pump Control (EKPS) | ||
| 35 | 50 | ABS/DSC Unit |
| Stabilizer, convertible | ||
| 36 | 50 | Secondary air pump relay |
| 37 | 50 | Heating Fan Relay |
| Fan switch (with IHS) | ||
| Blower output stage (with IHKA) | ||
| Electric Blower | ||
| 38 | 10 | 1995-1999: Fog Light Relay |
| 15 | 1999-2002: Fog Light Relay | |
| 39 | 5 | Transmit/receive/electronic charging |
| 10 | Voice input | |
| Phone with basic interface | ||
| Slide out box | ||
| Compensator | ||
| Transmit/receive/electronic charging | ||
| Sceptre | ||
| Telematic Control Unit (TCU-Everest) | ||
| Antenna Distributor | ||
| 40 | 5 | Steering angle sensor, DSC |
| 41 | 30 | Onboard monitor control unit |
| Amplifier | ||
| Radio Control Unit | ||
| CD changer | ||
| Subwoofer Box | ||
| Navigation Computer | ||
| Video module control unit | ||
| Switching center | ||
| 42 | 30 | Switching Center |
| 43 | 5 | Instrument cluster control unit |
| Data Link Connector | ||
| 44 | 20 | Amplifier |
| 45 | 20 | Intermittent wiping/washing control unit, rear |
| 46 | 20 | Cabrio soft top control unit |
| Soft top control unit[19659228 | ||
| Convertible Relay 1 | ||
| R1 | Fuel Pump Relay | |
| R2 | Motor control module | |
| R3 | Wiper Motor Relay | |
| R4 | Horn relay | |
| R5 | Light Fog Relay | |
| R6 | High beam relay | |
| R7 | High beam relay | |
| R8 | Hazardous Light Relay | |
| R9 | Blower relay | |
| R10 | Rear defogger relay | |
| R11 | ABS Relay | |
| R12 | ABS pump motor relay | |
| R13 | Second phase auxiliary fan relay (high speed) | |
| R14 | A/C compressor relay | |
| R15 | Auxiliary fan phase 1 relay (low speed) | |
Relay holder
Located under the left side of the instrument panel.
| Number | Amps [A] | Description |
|---|---|---|
| 48 | 40 | A/C Compressor |
| 50 | 5 | Safety horn |
| R1 | Independent ventilation relay | |
| R2 | Double relay | |
| R3 | Fault Alarm Sensor | |
| R4 | Daylight Continuous Relay | |
| R5 | Folding Roof Comfort Relay | |
| R6 | Relief relay terminal R | |
Connection range №1
Located under the left side of the instrument panel.
| Number | Amps [A] | Description |
|---|---|---|
| 47 | 15 | Horn relay |
| Trip Computer | ||
| R1 | Relief relay terminal 30 | |
| R2 | Backlight relay | |
| R3 | Wiper Motor Relay | |
| R4 | Starter immobilizer | |
Connection range №2
Located under the right side of the instrument panel.
| Number | Courier |
|---|---|
| R1 | Front Fog Light Relay |
| R2 | Parking light relay |
| R3 | Door lock heating relay |
| R4 | Rear window fan relay |
Additional fuse box in the trunk
| Number | Amps [A] | Description |
|---|---|---|
| 49 | 50 | Replacement hood module |
Auxiliary relay box
| Number | Amps [A] | Description |
|---|---|---|
| 111 | 25 | Hydraulic pump relay |
| 222 | 5 | SMG Control Unit |
