BMW 540i – E34 (1991-1994) – fuse box diagram
Production year: 1991, 1992, 1993, 1994
Front power distribution box
The fuse block is located at the bottom of the instrument panel on the driver’s side.
| Fuses | Use of |
| 1 | Horn/phone with short-circuit plug |
| 2) | Startup Relay |
| 3) | Relief relay (R terminal) |
| 4 | Blower relay |
| 5 | Relay Washer Pump |
| 6 | Telephone warning relay |
| 7 | ABS relay (ex. 1994 – 95) |
| 8 | Relief Relay (K 61) |
| 9 | Relief Relay (K 15) |
| 10 | Auxiliary water pump relay |
| 11 | Horn Relay |
| 12 | Emergency Light Relay |
| 13 | Check the control module |
| 14 | Fault monitoring module |
| 15 | Lamp Control Module |
Rear power distribution box
The rear power distribution box is located under the rear seat cushion and contains auxiliary fuses. relays. and control modules.
| Fuse | Usage of |
| 1 | Relay module |
| 2) | General Module |
| 3) | Rear defogger relay |
| 4 | Windshield wiper relay |
| 5 | Power supply protection relay |
| 6 | Fuse Blocks |
| 7 | Fuse block (1992 and later) |
Electronic box (E-box)
The electronic box or E-box is located in the right rear corner of the engine compartment.
E-box electronics
| Fuse | Usage of |
| 1 | ABS or Slip control module (traction) |
| 2) | DME control module |
| 3) | Cruise control module |
| 4 | Relay system (main) |
| 5 | Fuel Pump Relay |
| 6 | Heater relay with oxygen sensor |
Auxiliary relay panel
The auxiliary relay panel is mounted in the front left corner of the engine compartment.
| Fuse | Usage of |
| 1 | Headlamp / Fog cleaning system module (Canada) |
| 2) | Normal speed relay |
| 3) | High Speed Relay |
| 4 | Audio telephone warning relay |
| 5 | Air Conditioning Relay |
| 6 | Fuses |
Fuse Position
Fuses 1 to 29 are mounted in the front power distribution ion box. Additional fuse locations include the rear power distribution box (fuse # 30-37. And # 40-47) and the auxiliary relay panel (fuse # 48. 49 or # 55-56).
| Fuse | Ampere Current [A] | Usage |
| 1 | 15 | ABS Crushing System (see also Fuse 17) Instrument cluster check (see also Fuses 15. 17. 20. 29) Lamp monitor (see also Fuses 2, 3, 5, 7, 10, 11, 13, 14, 15) Stoplights Cruise control (see also Fuse 17) On-board computer (see also Fuses 17, 20) Electronic throttle control (EML) (see also Fuses 17, 20) Electronic transmission control (see also Fuses 12, 17) |
| 2) | 7,5 | Fuel injection (M60 engine only) Headlamps / Fog lamps (see also Fuses 3, 4, 5, 7, 10, 11, 13, 14, 15, 24) Lamp monitor (see also Fuses 1, 3, 4, 5, 7, 10, 11, 13, 14, 15) Turn on the hazard lights (see also Fuses 3, 6, 13, 14) Fault control unit (see also Fuses 6, 10, 11) |
| 3) | 7,5 | Headlamps / Fog lamps (see also Fuses 2, 5, 7, 10, 11, 13, 14, 24) Lamp monitor (see also Fuses 1, 2, 4, 5, 7, 10, 11, 13, 14, 15) Turn signals / hazard lights (see also Fuses 2, 6, 13, 14) Headlight washer (Canada) (see also Fuses. 4, 5, 17, 22, 24) Body Electronics (ZKE) (see also Fuses 4, 5, 17, 24, 30, 47) |
| 4 | 7,5 | Parking / tail lights / cabin (see also Fuses 5, 15, 20) Lamp monitor (see also Fuses 1, 2, 3, 5, 7, 10, 11, 13, 14, 15) Electric mirrors (see also Fuses 5, 12) Headlamp Washers (Canada) (see also Fuses 3, 5, 17, 22, 24) Body Electronics (ZKE) (see also Fuses 3, 5, 17, 24, 30, 47) |
| 5 | 10 | Headlamps / Fog lamps (see also Fuses 2, 3, 7, 10, 11, 13, 14) Headlight washer (Canada) (see also Fuses. 3, 4, 17, 22, 24) Parkitail / lowhood lights (see also Fuses 4, 15, 20) Permit / trunk lights (see also 15, 21) Glove compartment light Car cigarette lighter (see also Fuses 18, 21, 26) Interior lighting (see also Fuses 17, 18, 20, 21) Lamp monitor (see also Fuses 1, 2, 3, 4, 7, 10, 11, 13, 14, 15) Electric mirrors (see also Fuses 4, 12) Body Electronics (ZKE) (see also Fuses 3, 5, 17, 24, 30, 47) |
| 6 | 15 | Turn signals / hazard warning lights (see also Fuses 2, 3, 13, 14) Emergency control unit (see also Fuses 2, 10, 11) |
| 7 | 15 | Headlamps / Fog lamps (see also Fuses 2, 3, 5, 10, 11, 13, 14, 15) Lamp monitor (see also Fuses 1, 2, 3, 4, 5, 10, 11, 13, 14) |
| 8 | 7,5 | – |
| 9 | 15 | Horn Integrated climate control regulation (IHKR) (see also Fuses 19, 20, 27, 29, 46) Cell Phone (see also Fuses 18, 31) Auxiliary Fan (see also Fuses 25, 29) |
| 10 | 7,5 | Headlamps / Fog lamps (see also Fuses 2, 3, 5, 7, 11, 13, 14) Lamp monitor (see also Fuses 1, 2, 3, 4, 5, 7, 11, 13, 14, 15) Fault control unit (see also Fuses 2, 10, 11). |
| 11 | 7,5 | Headlamps / Fog lamps (see also Fuses 2, 3, 5, 7, 10, 13, 14) Lamp monitor (see also Fuses 1, 2, 3, 4, 5, 7 10, 13, 14, 15) Fault control unit (see also Fuses 2, 10, 11) |
| 12 | 15 | Windshield washer nozzle heaters Back-up Lights Electric mirrors Memory locations (see also Fuses 16, 18, 42) Electronic transmission control (see also Fuse 1, 17) |
| 13 | 7,5 | Headlamps / Fog lamps (see also Fuses 2, 3, 5, 7, 10,11, 14) Turn signals / hazard lights (see also Fuses 2, 3, 6, 14) Lamp monitor (see also Fuses 1, 2, 3, 4, 5, 7, 10, 11, 14, 15) |
| 14 | 7,5 | Headlamps / Fog lamps (see also Fuses 2, 3, 5, 7, 10, 11, 13, 37) Turn signals / hazard warning lights (see also Fuses 2, 3, 6, 13) Lamp monitor (see also Fuses 1, 2, 3, 4, 5, 7, 10, 11, 13, 15) |
| 15 | 7,5 | Parking / Tail lights / Cabin (see also Fuses 4, 5, 20) License / trunk lights (see also Fuses 5, 21) Stop lights (see also Fuse 1) Lamp monitor (see also Fuses 1, 2, 3, 4, 5, 7, 10, 11, 13, 14) |
| 16 | 30 | Heated seats Memory seats (see also Fuses 12, 18, 42) Lumbar support |
| 17 | 7,5 | Fuel injection (see also Fuse 23) Charging system Startup Electric box fan (see also Fuse 28) Electronic transmission control (see also Fuses 1, 12) ABSlTraction (see also Fuse 1) Door Lock Heater (see also Fuse 30) Window Lifts (see also Fuses 30, 31, 47) Electric sunroof (see also Fuses 30, 31, 47) Headlight Washer (Canada) (see also Fuses 3, 4, 5, 22, 24) Instrument cluster/control control (see also Fuses 1, 17, 20, 29) Lamp monitor (see also Fuses 2, 3, 4, 5, 7, 10, 11, 13, 14, 15) Stop lights (see also Fuse 15) Interior lighting (see also Fuses 5, 18, 21, 30, 44) Electronic throttle control (EML) (see also Fuses 1, 20) Cruise control (see also Fuse 1) On-board computer lamp monitor (see also Fuses 1, 20) Central electronics (ZKE) (see also Fuses 3, 4, 5, 24, 30, 47) |
| 18 | 15 | Interior lighting (see also Fuses 5, 17, 21, 30, 44) Glove compartment / cigarette lighter (see also Fuses 5, 21, 26) Radio / CD player (see also Fuse 41) Cell Phone (see also Fuses 9, 31) Memory locations (see also Fuses 12, 16, 42) Anti-theft (alpine) (see also Fuse 21) Remote control lock |
| 19 | 30 | Integrated Climate Regulation (IHKR) (see also Fuses 9. 20. 27, 29, 46) |
| 20 | 7,5 | Indicator set / control check (see also Fuses 1, 17, 29) Parking / tail lights / cabin (see also Fuses 4, 5, 15) Interior lighting (see also Fuses 5, 17, 18, 21, 30) Integrated Climate Regulation (IHKR) (see also Fuses 9, 19, 27, 29, 46) On-Board Computer (see also Fuses 1. 17) Electronic throttle control (EML) (see also Fuses 1, 17) |
| 21 | 7,5 | Permit / trunk lighting (see also Fuses 5, 15) Interior lighting (see also Fuses 5, 17, 18, 30, 44) Glove compartment / cigarette lighter (see also Fuses 5, 18, 26) Anti-theft (alpine) (see also Fuse 18) |
| 22 | 30 | Windshield wiper pressure control (ADV) (see also Fuses 15, 44) Headlamp Washer (Canada) (see also Fuses 3, 4, 5, 17, 24) |
| 23 | 15 | Fuel injection / fuel pump (see also Fuse 17) |
| 24 | 10 | Headlight cleaning system (outside the USA) Windshield wiper control (SWSI (see also Fuse 44). Central body electronics (ZKE) (see also Fuses 3, 4, 5, 17, 30, 47). |
| 25 | 30 | Auxiliary fan (see also Fuse 29) |
| 26 | 30 | Glove compartment / cigarette lighter (see also Fuses 5, 18, 21) |
| 27 | 7,5 | Integrated Climate Regulation (IHKR) (see also Fuses 9, 19, 20, 29, 46) |
| 28 | 15 | E – case fan (also Fuse 17) Charging system (see also Fuse 17) Seat source heating Heated rear window Power steering (Servotronic) |
| 29 | 7,5 | Integrated Climate Regulation (IHKR) (see also Fuses 9, 19, 20, 24, 27, 46) Auxiliary Fan (see also Fuse 25) Rolling control indicator/control assembly (see also Fuses 1, 17, 20) |
| 30 | 7,5 | Door lock heater (see also Fuse 17) Central locking system (see also Fuse 31, 47) Window elevators (see also Fuse 17, 31, 47) Electric sunroof (see also Fuse 17, 31, 47) Central electronics (ZKE) (see also Fuses 3, 4, 5, 17, 24, 47) Interior lighting (see also Fuses 5, 17, 18, 20, 21) |
| 31 | 7,5 | Central locking system (see also Fuses 30, 47) Window Lifts (see also Fuses 17, 30, 47) Electric sunroof (see also Fuses 17, 30, 47) Mobile Phone (see also Fuses 9, 18) |
| 32 | 7,5 | – |
| 34 | 20 | Electric steering column adjustment |
| 35 | 30 | Central locking system |
| 37 | 20 | Rear wiper/washer (Touring) |
| 40 | 15 | – |
| 41 | 30 | Radio/CD player (see also Fuse 18) Heated seats |
| 42 | 30 | Electric seats (see also Fuse 43) Memory seats (see also Fuses 12, 16, 18) |
| 43 | 30 | Electric seats (see also Fuse 42) |
| 44 | 30 | Windshield Wiper Control (SWS) (see also Fuse 24) Windshield wiper pressure control (SWS) (see also Fuse 15, 22) |
| 46 | 30 | Integrated Climate Regulation (IHKR) (see also Fuses 9, 19, 20, 27, 29) |
| 47 | 30 | Body Electronics (ZKE) (see also Fuses 3, 4, 5, 17,24, 30) Electric sunroof (see also Fuses 17, 30, 31) Window elevators (see also Fuses 17, 30,31) Central locking system (see also Fuses 30, 31) |
| 48 | 15 | – |
| 49 | – | – |
