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.
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.
Contents
Passenger compartment
Passenger side fuse box
On the right side, under the glove box, is the fuse and relay box.
Photo – example
Diagram
Assignment
| 20 | 30A Power window actuator, driver’s door with control electronics |
| 21 | 30A Front passenger window with control electronics |
| 22 | 30A Rear power window driver’s side with control electronics |
| 23 | 30A Passenger side rear power window with control electronics |
| 24 | 30A Left reversible electromotive automatic reel (seat belt) |
| 25 | 20A Roof function center |
| 26 | 20A Headlights, rain sensor, light sensor |
| 27 | – |
| 28 | 40A Dynamic Stability Control (DSC), ABS, parking |
| 29 | 20A Headlights, rain sensor, light sensor |
| 30 | – |
| 31 | – |
| 32 | 5A Parking brake, center console control panel |
| 33 | – |
| 34 | 5A Instrument cluster control unit |
| 35 | – |
| 36 | 5A Roof function center (map lamp, interior lighting, ambient lighting, alarm) |
| 37 | – |
| 38 | – |
| 39 | 60A Body domain controller |
| 40 | 40A Fan motor with output stage |
| 41 | – |
| 46 | 20A Cigarette lighter, thermo electric cup holder |
| 47 | 20A Cigarette lighter |
| 48 | 20A Seat heating |
| 49 | 10A Electric steering column adjustment |
| 50 | 30A Tow bar module |
| 51 | 30A B46, B48, B58, N63: Electronic transmission control, transfer case, 4*4 |
| 52 | 20A Front passenger seat heating electronics |
| 53 | 30A Driver’s seat module (with seat module), driver’s side seat adjustment switch block (without seat module) |
| 54 | 20A Independent auxiliary heater |
| 55 | 30A Front passenger seat module (with seat module), front passenger seat adjustment switch block (without seat module) |
| 56 | 10A Battery |
| 57 | 10A Driver assistant |
| 59 | 5A Electric mirrors, rain and light sensor |
| 60 | 5A Driver assistant |
| 61 | 5A Glove box light switch, interior lighting |
| 62 | 5A Interior lighting, 48V power control unit |
| 63 | 5A Air conditioning and ventilation system |
| 64 | 5A 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 |
| 65 | 5A 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 |
| 66 | 5A 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 |
| 67 | 5A 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 |
| 68 | 5A 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 |
| 69 | 5A Electric fan, DME system, IVM module |
| 70 | 5A Rear switchboard, electric fan shutdown relay, electric fan |
| 71 | 5A Interior Light, Surround Camera (with Surround Camera), Rear View Camera |
| 72 | 5A Speed shift indicator, DSC, SMG |
| 73 | 5A Instrument cluster control unit |
| 74 | 5A Electric fan, battery, 48V |
| 75 | 10A Crash safety module |
| 76 | 10A 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
Designation
- –
- –
- –
- 20A – Lock relay, unlock relay (doors, fuel filler cap)
- –
- 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)
- 15A – Signal (beep)
- –
- –
- 5A – Steering column switch block, front center ventilation grille, audio control panel, lighting control unit, head unit
- 7.5A – Diagnostic connector, electronic ride height control, vertical dynamics platform
- 7.5A – Heating / air conditioning system, rear door function module, rain / light / sun / condensation sensor
- 5A – Start/ stop system
- –
Driver side fuse box
Under the instrument panel on the driver’s side is another box with fuses and relays.
The fuse box itself will look something like this.
Diagram
Allocation
| 101 | – |
| 102 | – |
| 103 | – |
| 104 | – |
| 105 | 7.5A Electronics of electrical machines |
| 106 | – |
| 107 | 10A Hybrid: Pressurized fuel tank control module |
| 108 | 15A Electronics and engine management |
| 109 | – |
| 110 | 5A Auxiliary electric heater, front midrange speaker lighting |
| 111 | 5A Rear switchboard |
| 112 | – |
| 113 | – |
| 114 | – |
| 115 | – |
| 116 | – |
| 117 | 30A 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
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
And if you have something to add – write in the comments.
Thank you!!!!