BMW X3 G01 (2017 – 2024) fuse and relay

BMW X3 G01 represents the third generation of the BMW X3 range, which was produced in 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024. During this time, the model has been updated. In this post you can find a description of the BMW X3 G01 fuses and relays with fuse box diagrams, their locations and photo examples of performance. Note the fuse responsible for the cigarette lighter.

BMW X3 G01

The purpose of the elements may differ from that shown and depends on the year of manufacture, the level of electrical equipment and the region where your car was delivered.

Passenger compartment

Passenger side fuse box

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

location 1R

Photo – example



Diagram BMW G05


2030A Power window actuator, driver’s door with control electronics
2130A Front passenger window with control electronics
2230A Rear power window driver’s side with control electronics
2330A Passenger side rear power window with control electronics
2430A Left reversible electromotive automatic reel (seat belt)
2520A Roof function center
2620A Headlights, rain sensor, light sensor
2840A Dynamic Stability Control (DSC), ABS, parking
2920A Headlights, rain sensor, light sensor
325A Parking brake, center console control panel
345A Instrument cluster control unit
365A Roof function center (map lamp, interior lighting, ambient lighting, alarm)
3960A Body domain controller
4040A Fan motor with output stage
4620A Cigarette lighter, thermo electric cup holder
4720A Cigarette lighter
4820A Seat heating
4910A Electric steering column adjustment
5030A Tow bar module
5130A B46, B48, B58, N63: Electronic transmission control, transfer case, 4*4
5220A Front passenger seat heating electronics
5330A Driver’s seat module (with seat module), driver’s side seat adjustment switch block (without seat module)
5420A Independent auxiliary heater
5530A Front passenger seat module (with seat module), front passenger seat adjustment switch block (without seat module)
5610A Battery
5710A Driver assistant
595A Electric mirrors, rain and light sensor
605A Driver assistant
615A Glove box light switch, interior lighting
625A Interior lighting, 48V power control unit
635A Air conditioning and ventilation system
645A Driver’s seat back width adjustment valve block, driver’s lumbar support valve block, seat adjustment switch block (driver’s side), footwell taillight (driver’s side), backlight driver’s seat back panel, USB charging port, front left seat inflation module
655A Front passenger back width adjustment valve block, Front passenger lumbar support valve block, Seat adjustment switch block (front passenger side), Rear footwell lighting (front passenger side), Front passenger seat backrest rear panel lighting, USB connector for charging No. 2, front Right seat inflation module
665A Upper center instrument panel light, upper front passenger side instrument panel light, lower center instrument panel light, lower driver/passenger side instrument panel light, front left/right footwell light
675A Driver’s door switch box, Driver’s door seat switch box, Driver’s door interior handle lighting, Driver’s door trim panel lighting (center), Driver’s door pocket lighting, Driver’s door trim panel lighting (top), Front left midrange speaker lighting, Front Left Tweeter Illumination
685A Passenger’s exterior mirror, Passenger’s door switch box, Passenger’s interior door handle illumination, Front passenger’s door trim panel illumination (center), Passenger’s door pocket illumination, Front passenger’s door trim panel illumination (top), Front right midrange speaker illumination, Illuminated front right tweeter
695A Electric fan, DME system, IVM module
705A Rear switchboard, electric fan shutdown relay, electric fan
715A Interior Light, Surround Camera (with Surround Camera), Rear View Camera
725A Speed shift indicator, DSC, SMG
735A Instrument cluster control unit
745A Electric fan, battery, 48V
7510A Crash safety module
7610A Steering column switch box

R1 – Terminal 30B relay

Fuses 46 and 47 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 scheme

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 (beep)
  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

Main fuse box

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



Diagram 3

Check the purpose of the fuses with your diagram on the booklet, which is located near the fuse box or other technical documentation.


An example of a diagram with a designation



Separate fuses, relays and other protection units can be installed separately, outside the presented units. For example, under the hood is located:

Fan motor relay 850 W K5

Relay K5


And if you have something to add – write in the comments.

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