BMW 5 G30 G31 G38 (2017 – 2024) fuse and relay

BMW 5 Series with factory body index G30 G31 G38 represents the seventh generation of the model, which was produced in 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024. During this time, the model has been restyled. In this publication you can find a description of the fuses and relays BMW 5 G30 G31 G38 with fuse box diagrams, their locations and purpose. Select the cigarette lighter fuse.

BMW 5 G30

The designation of the fuses and relays may differ from those shown and depends on the year of manufacture and the level of electrical equipment of your car.

Passenger compartment

Passenger side fuse box

On the right side, under the glove box, is the fuse and relay box.

location 1R

Photo – example

Photo fuse box 5 7


Diagram 1


2030A Safety system, reversible electromotive automatic reel (seat belt)
2140A Dynamic Stability Control (DSC), ABS, Parking
2230A Safety system, reversible electromotive automatic reel (seat belt)
2330A Door window regulator
2430A Door window regulator
2530A Door window regulator
2630A Door window regulator
2720A Roof function center
2920A Headlights, rain sensor, light sensor
305A Parking brake
315A Instrument cluster control unit
325A Roof function center (map lamp, interior lighting, ambient lighting, alarm)
34Electronic ride height control
35Towbar module
37Air conditioning and ventilation system
40Interior lighting, BDC unit
41BDC block
46driver assistant
47Interior lighting, air conditioning
48Wiper module
49Electronic transmission control, transfer case, 4*4
50Cigarette lighter
51Seat heating
52Seat heating
53Driver’s seat module (with seat module), driver’s side seat adjustment switch block (without seat module)
55Front passenger seat module (with seat module), front passenger seat adjustment switch block (without seat module)
56Electric steering column adjustment
57Steering column switch block
58Functional center of the roof
60Seat management
61Upper Center Instrument Panel Light, Upper Front Passenger Instrument Panel Light, Lower Center Instrument Panel Light, Lower Driver/Passenger Instrument Panel Light, Front Left/Right Footwell Light
62Glove box light switch, driver’s camera system, interior lighting
63Dashboard speaker light, air freshener, CD drive, ionizer, 48V starter generator
64Driver Seat Back Width Adjustment Valve Block, Driver Lumbar Support Valve Block, Seat Adjustment Switch Block (Driver’s Side), Footwell Tail Light (Driver’s Side), Driver’s Backrest Backlight, USB Charging Socket, Module front left seat inflation
65Front Passenger Back Width Adjustment Valve Unit, Front Passenger Lumbar Support Valve Unit, Seat Adjustment Switch Unit (Front Passenger’s Side), Rear Footwell Light (Front Passenger’s Side), Front Passenger’s Back Seat Back Lighting, USB Connector for Charging No. 2, Front Right Seat Inflation Module
66Interior lighting
67Driver’s Door Switch Box, Driver’s Door Seat Switch Box, Driver’s Door Interior Handle Light, Driver’s Door Trim Panel Light (Center), Driver’s Door Pocket Light, Driver’s Door Trim Panel Light (Top), Front Left Midrange Speaker Light, Light front left tweeter
68Passenger Outside Mirror, Passenger Door Switch Box, Passenger Door Interior Door Handle Light, Front Passenger Door Trim Panel Light (Center), Passenger Door Pocket Light, Front Passenger Door Trim Panel Light (Top), Front Right Midrange Speaker Light, Light front right tweeter
69crash safety module
70Electric fan shutdown relay, electric fan
71Engine management
74Thermoelectric cup holder

Fuses F50, F273 and F284 are responsible for the operation of the cigarette lighter.

Fuse box

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


Photo example of a box diagram

Photo 3


  1. 20A – Lock relay, unlock relay (doors, fuel filler cap)
  2. 20A – Driver’s door lock relay, lock relay (driver’s door lock, front passenger’s door lock, driver’s side rear door lock, rear passenger’s side door lock, fuel filler door central lock actuator)
  3. 15A – Signal (Horn)
  4. 5A – Steering column switch block, front center ventilation grille, audio control panel, lighting control unit, head unit
  5. 7.5A – Diagnostic connector, electronic ride height control, vertical dynamics platform
  6. 7.5A – Heating / air conditioning system, rear door function module, rain / light / sun / condensation sensor
  7. 5A – Start/stop system

Driver side fuse box

Under the instrument panel on the driver’s side is another box with fuses and relays.

location 2

The fuse box itself will look something like this.

Photo 2


Diagram 2


101 –
102 –
103 –
104 –
1057.5A Electronics of electrical machines
10710A Hybrid: Pressurized fuel tank control module
10815A Electronics and engine management
1105A Auxiliary electric heater, front midrange speaker lighting
1115A Rear switchboard
11730A Hybrid: Automatic transmission, transfer case
118 –
119 –
120 –
121 –
122 –
123 –
124 –
125 –
126 –
127 –
128 –
129 –
130 –
131 –
  • R1-
  • R2 – Terminal 30B relay

Luggage compartment

Fuse and relay box

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

location lag comp


Diagram 4

Check the description and rating of the fuses with your diagram on the fusecard.




Additional relays can be installed next to the unit, for example, an air suspension relay.


Additional fuses and relays can be installed outside of the shown units.

And if you want to share your experience or know how to make the material better – write in the comments.

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