Fuse box in the BMW M3 G80 interior
Passenger side unit
On the right side, under the glove compartment, there is a fuse and relay block.



Description
| 20 | 30A Driver’s door electric window with control electronics |
| 21 years old | 30A passenger window with control electronics |
| 22 | 30A Electric window regulator, rear, driver’s side, with control electronics |
| 23 | 30A rear window regulator, passenger side, with control electronics |
| 24 | 30 A electric motor with left reversible drive, automatic retractor (seat belt) |
| 25 | 20A Rooftop Function Center |
| 26 | 40A BCM |
| 27 | – |
| 28 | 40A Dynamic Stability Control (DSC) |
| 29 | 20A Electronic transmission control, transfer case |
| 30 | Media system 15A |
| 31 | 15A |
| 32 | 5A Center console control panel, parking |
| 33 | Battery 5A |
| 34 | 5A Instrument panel control unit |
| 35 | – |
| 36 | 5A Roof function center (map illumination, interior lighting, background lighting) |
| 37 | 5A Central locking |
| 38 | 5A electronic module for the driver’s door exterior handle |
| 39 | 60A BCM |
| 40 | 40A fan motor with power amplifier |
| 41 | – |
| 46 | Cigarette lighter 20A , thermoelectric cup holder |
| 47 | 20A motor control |
| 48 | Seat heating 20A |
| 49 | 10A Electric steering column adjustment |
| 50 | Heated seats 30A |
| 51 | motor control 30A |
| 52 | 20A Electronic seat heating |
| 53 | 30A trailer module |
| 54 | 20A Autonomous auxiliary heater |
| 55 | 30A seat module (with seat module), seat adjustment switch unit (without seat module) |
| 56 | 30A seat module (with seat module), seat adjustment switch unit (without seat module) |
| 57 | 10A Electric steering column adjustment |
| 59 | 5A Electrochromic interior rear-view mirror |
| 60 | 5A Driver assistance |
| 61 | 5A Rear door center panel light (driver’s side), rear door flashlight (driver’s side), rear door interior handle light (driver’s side), driver’s side rear door panel light (top), rear left speaker light, additional water pump (diesel) |
| 62 | 5A battery, dashboard speaker illumination, air freshener, CD player, ionizer, 48V starter-generator (B57, B58) |
| 63 | 5 A glove box light switch, driver camera system, 48 V power control unit (PCU48), 48 V battery |
| 64 | 5A Driver’s seat backrest width adjustment valve block, driver’s lumbar support valve block, seat adjustment switch block (driver’s side), rear footwell light (driver’s side), driver’s seat backrest light, USB charging port, left front seat inflation module |
| 65 | 5A Passenger backrest width adjustment valve block, passenger lumbar support valve block, seat adjustment switch block (passenger side), rear footwell lighting (passenger side), passenger backrest rear wall lighting, USB charging port #2, front right seat inflation module |
| 66 | 5A Upper central instrument panel illumination, passenger side upper instrument panel illumination, lower central instrument panel illumination, driver/passenger side lower instrument panel illumination, front left and right footwell illumination |
| 67 | 5A Driver’s door switch group, Driver’s seat switch group, Driver’s door inner handle illumination, Driver’s door trim illumination (center), Driver’s door pocket illumination, Driver’s door trim illumination (upper), Front left midrange speaker illumination, Front left tweeter illumination |
| 68 | 5A Passenger side mirror, passenger door terminal block, passenger door inner handle illumination, passenger door center decorative lighting, passenger door pocket handle illumination, passenger door upper decorative lighting, front right midrange speaker illumination, front right wheel tweeter |
| 69 | 5A Radiator shutters (upper, lower) |
| 70 | 5A Rear distribution board, electric fan off relay, electric fan |
| 71 | 5A Surround view camera (with surround view camera), rear view camera |
| 72 | 7.5A motor control |
| 73 | 5A Instrument panel control unit |
| 74 | USB port 10A |
| 75 | 10A collision safety module |
| 76 | 5A Driver assistance |
Fuse No. 46 at 20 A is responsible for the operation of the cigarette lighter.
fuse box
The fuse box is installed in the BDC (Body Domain Controller) electronic control unit, which is installed on the right pillar under the passenger compartment panel on the right passenger side.


Marking
- 5A Steering column switch cluster, front center air vent, audio control panel, lighting control module, head unit
- 7.5 A diagnostic connector, electronic drive control, Vertical Dynamics platform
- 7.5A heating/air conditioning, rear door function module, rain/light/sun/condensation sensor
- 5A Passenger side exterior door handle electronic module, rear driver side exterior door handle electronic module, rear passenger side exterior door handle electronic module, powertrain control unit, telematics communication unit
- 20A lock relay, unlock relay (doors, fuel tank flap)
- Driver door lock relay 20A, lock relay (driver door lock, passenger door lock, driver’s side rear door lock, passenger door lock, fuel filler flap central locking actuator)
Driver’s side unit
There is another fuse and relay block under the dashboard on the driver’s side.



| 101 | – |
| 102 | 7.5A electronics, motor control |
| 103 | – |
| 104 | – |
| 105 | |
| 106 | – |
| 107 | 10A Engine Control Unit, Hybrid: Fuel Tank Pressure Control Module |
| 108 | – |
| 109 | – |
| 110 | – |
| 111 | – |
| 112 | – |
| 113 | – |
| 114 | – |
| 115 | – |
| 116 | – |
| 117 | 30A Hybrid: Automatic transmission, transfer case |
| 118 | 5A Additional electric heating, front mid-range speaker illumination |
| 119 | – |
| 120 | – |
| 121 | – |
| 122 | – |
| 123 | – |
| 124 | – |
| 125 | – |
| 126 | – |
| 127 | – |
| 128 | – |
| 129 | – |
| 130 | – |
| 131 | – |
- R1 –
- R2 – Relay output 30B
Trunk block BMW M3 G81
Fuse and relay block
The main fuse and relay block is located in the luggage compartment on the right side under a protective cover.





Fuses and relays BMW M3 G80 G81 M4 G82. Fuse diagram BMW M3 G80 G81 M4 G82.