In the grand symphony of an automobile, fuses might seem like the quiet violinists in the back, but take them away and the whole orchestra goes up in flames! These unsung heroes prevent your beloved car from turning into a bonfire when the electrics decide to throw a tantrum.
Passenger compartment
BMW X4 Passenger Side Fuse Box Location
BMW X4 Passenger Side Fuse Box Diagram
| 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 |
The fuse box is located in the BDC (Body Domain Controller) electronic module, situated on the right pillar, beneath the right-side interior trim of the passenger area.
| Position | Description |
|---|---|
| 1 | – |
| 2 | – |
| 3 | – |
| 4 | 20A - Lock relay, unlock relay (doors, fuel filler cap) |
| 5 | – |
| 6 | 20A - Driver’s door lock relay, lock relay (driver’s door lock, front passenger’s door lock, and so on) |
| 7 | 15A - Signal (beep) |
| 8 | – |
| 9 | – |
| 10 | 5A - Steering column switch block, front center ventilation grille, and so on |
| 11 | 7.5A - Diagnostic connector, electronic ride height control, vertical dynamics platform |
| 12 | 7.5A - Heating / air conditioning system, rear door function module, rain / light / sun / condensation sensor |
| 13 | 5A - Start/ stop system |
| 14 | – |
BMW X4 Driver Side Fuse Box Location
BMW X4 Driver Side Fuse Box Diagram
| 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
Cargo Compartment
BMW X4 Fuse Box In Cargo Compartment Location
BMW X4 Fuse Box In Cargo Compartment Diagram
Fuse Box Diagram Explained
Under the hood
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