BMW G80 G81 G82 represent the M series of BMW cars, which were produced in 2020, 2021, 2022, 2023, 2024, 2025. During this time, the model has undergone restyling. In this publication you will find a description of the fuses and relays of the BMW G80 G81 G82 with block diagrams, their locations and photo examples of execution. Let’s highlight the cigarette lighter fuse.

Blocks in the cabin

Passenger side unit

On the right side, under the glove compartment, there is a fuse and relay block.

ADescription
2030ADriver’s door power window actuator with control electronics.
2130AFront passenger window with electronic control
2230ARear electric window on the driver’s side with control electronics.
2330ARear electric window on the passenger side with control electronics.
2430ALeft reversible electromotor automatic reel (seat belt)
2520ARoof function center
2640ABCM
27
2840ADynamic Stability Control (DSC)
2920AElectronic transmission control, transfer case
3015AMedia system
3115A
325ACenter console control panel, parking
335ABattery
345ADashboard control unit
35
365AFunctional center on the roof (map lamp, interior lighting, ambient lighting)
375Acentral lock
385AElectronic module for the driver’s door exterior handle
3960ABCM
4040AFan motor with output stage
41
4620ACigarette lighter , thermoelectric cup holder
4720AEngine control
4820AHeated seats
4910AElectric steering column adjustment
5030AHeated seats
5130AEngine control
5220AElectronic seat heating unit
5330ATrailer module
5420AAutonomous additional heater
5530ASeat module (with seat module), seat adjustment switch block (without seat module)
5630ASeat module (with seat module), seat adjustment switch block (without seat module)
5710AElectric steering column adjustment
595AElectrochromic interior rear-view mirror
605ADriver’s assistant
615ARear door center trim lighting (driver’s side), rear door pocket lighting (driver’s side), rear door interior handle lighting (driver’s side), driver’s side rear door trim lighting (top), rear left speaker lighting, additional water pump (Diesel)
625ABattery, instrument panel speaker illumination, air freshener, CD drive, ionizer, 48V starter generator (B57, B58)
635AGlove box light switch, driver camera system, 48V power control unit (PCU48), 48V battery
645ADriver’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, front left seat inflation module
655AFront passenger backrest width adjustment valve block, Front passenger lumbar support valve block, Seat adjustment switch block (front passenger side), Footwell backlight (front passenger side), Front passenger backrest rear panel backlight, USB charging connector #2, Front right seat inflation module
665AUpper central instrument panel illumination, upper instrument panel illumination on the front passenger side, lower central instrument panel illumination, lower instrument panel illumination on the driver/passenger side, front left and right footwell lighting
675ADriver’s door switch cluster, Driver’s seat switch cluster, Driver’s door interior handle illumination, Driver’s door trim illumination (center), Driver’s door pocket illumination, Front left midrange speaker illumination, Front left tweeter illumination
685APassenger’s exterior mirror, Passenger’s door distribution block, Passenger’s interior door handle illumination, Front passenger’s door trim illumination (center), Front passenger’s door pocket illumination, Front passenger’s door trim illumination (top), Front right midrange speaker illumination, Front
695ARadiator shutters (upper, lower)
705ARear distribution panel, electric fan cut-off relay, electric fan
715ASurround view camera (with surround view camera), rear view camera
727.5AEngine control
735ADashboard control unit
7410AUSB connector
7510ACollision safety module
765ADriver’s assistant

Fuse number 46 at 20A is responsible for the operation of the cigarette lighter.

Fuse block

The fuse compartment is installed in the BDC (Body Domain Controller) electronic control unit, which is mounted on the right pillar under the interior trim on the passenger’s right side.

AMarking
15ASteering column switch cluster, front center air vents, audio control panel, lighting control unit, head unit
27.5ADiagnostic connector, electronic ride height adjustment system, vertical dynamics platform
37.5AHeating/air conditioning system, rear door function module, rain/light/sun/condensation sensor
45AElectronic module for the passenger side exterior door handle, electronic module for the driver side rear exterior door handle, electronic module for the rear passenger side exterior door handle, power control unit, telematics unit
520ALocking relay, unlocking relay (doors, fuel tank flap)
620ADriver’s door lock relay, lock relay (driver’s door lock, front passenger door lock, driver’s side rear door lock, rear passenger side door lock, fuel filler flap central locking actuator)

Driver’s side unit

Under the dashboard on the driver’s side is another block with fuses and relays.

The block itself will look something like this.

AAppointment
101
1027.5AElectronics, engine control
103
104
105
106
10710AEngine Management, Hybrid: Pressurized Fuel Tank Control Module
108
109
110
111
112
113
114
115
116
11730AHybrid: Automatic transmission, transfer case
1185AAdditional electric heater, front midrange speaker illumination
119
120
121
122
123
124
125
126
127
128
129
130
131
Relay
R1
R2relay terminal 30B

Block in the trunk

Fuse and relay block

In the luggage compartment, on the right side under a protective cover, there is the main fuse and relay block.

Check the assignment with your chart on the booklet.