The third-generation BMW X1 was produced in 2023, 2024, 2025, 2026, 2027, 2028, and 2029, with the designations U11 (short wheelbase) and U12 (long wheelbase). During this time, the model received an update. In this publication, we will provide a description of the fuses and relays in the BMW X1 3G, with block diagrams, their locations, and photo examples. We will highlight the cigarette lighter fuse.
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 side fuse box
Inside the car, the fuse and relay box is located under the glove compartment on the passenger side. Access requires removing the protective cover.
Photo example of the left and right fuse and relay blocks
Diagram
Assignment
| 20 | 30 A — Fuel pump |
| 21 | 15A — Instrument cluster, Head-Up Display (HUD), Infotainment |
| 23 | 30A — Replacement top module, Alternating relay |
| 24 | 40A — Trunk lid (tailgate) lock, Automatic tailgate closing |
| 25 | 30A — Electric mirrors |
| 26 | 30A — Fuel injection and similar electronics (combustion engine) |
| 27 | 40A — Rear window defroster, Steering column function control module |
| 28 | 30A — Rear window defroster, Steering column function control module |
| 29 | 40A — Horn, On-Board Diagnostics (OBD), Infotainment, BCP, Main headlights, Rain sensor, Light sensor, Electronic ride height control |
| 32 | 5A — Alarm |
| 33 | 7.5A — Door module / Automatic soft-close, Sound system |
| 36 | 7.5A — Instrument cluster, Parking sensors / HomeLink (garage door opener), Head-Up Display (HUD), Infotainment |
| 37 | 7.5A — Hybrid system |
| 38 | 5A — Replacement top module, Alternating relay |
| 39 | 50A — Trailer module |
| 40 | 60A — Horn, On-Board Diagnostics (OBD), Infotainment, BCP, Main headlights, Rain sensor, Light sensor, Electronic ride height control |
| 41 | 40A — Sound system (combustion engine models) |
| 46 | 20A — Front and rear cigarette lighter, 12 V socket, Glove box charging socket |
| 47 | 30A — Seat adjustment |
| 48 | 20A — Trailer module |
| 49 | 30A — Combustion engine: Gear indicator, EDC, Automatic transmission control, AWD, Fuel injection electronics |
| 49 | 20A — Hybrid system: Gear indicator, EDC, Automatic transmission control, AWD, Fuel injection electronics |
| 50 | 30A — Trailer module |
| 51 | 15 A — Fuel injection electronics (combustion engine) |
| 52 | 10A — Fuel injection electronics (combustion engine) |
| 53 | 30A — Heated seats |
| 54 | 20A — Trailer module |
| 56 | 10A — Fuel injection electronics (combustion engine) |
| 57 | 40A — Replacement top module, Alternating relay (combustion engine) |
| 60 | 5A — Rear window defroster, Steering column function control module |
| 61 | 10A — Steering column function control module |
| 62 | 10A — Driving assistance systems |
| 63 | 5A — Electric fan |
| 64 | 5A — Interior lights |
| 65 | 7.5A — Parking sensors / HomeLink (garage door opener), Head-Up Display (HUD) |
| 66 | 5A — Seat adjustment |
| 67 | 10A — Driving assistance systems |
| 68 | 5A — Parking sensors / HomeLink (garage door opener) |
| 69 | 5A — Driving assistance systems |
| 70 | 5A — Trunk lid (tailgate) lock, Automatic tailgate closing, Interior lights |
| 71 | 10A — Seat belts |
| 73 | 7.5A — Replacement top module, Alternating relay, Electrochromic rear-view mirror |
| 74 | 7.5A — Fuel injection electronics, Hybrid system |
| 76 | Parking sensors / HomeLink (garage door opener), Infotainment |
R1 – Terminal 30B relay
Fuses 46 is responsible for the operation of the cigarette lighter.
Driver side fuse box
The second fuse box can be installed under the panel on the left side.
Diagram
Designation
| 24 | 40A — Sound system |
| 25 | 30A — Electric windows, Electric mirrors |
| 30 | 5A — Infotainment, START-STOP system |
| 36 | 7.5A — Door module, Automatic soft closing |
| 37 | 7.5A — Electric / Plug-in Hybrid system |
| 38 | 5A — 48 V system |
| 38 | 7.5A — 48 V system (Electric / Plug-in Hybrid) |
| 39 | 40A — Air conditioning system, Heating / Independent auxiliary heater |
| 40 | 40A — Electric mirrors (combustion engine models) |
| 41 | 50A — ABS (Anti-lock Brake System), DSC (Dynamic Stability Control), Parking brake, START-STOP system |
| 47 | 30A — Seat adjustment |
| 49 | 20A — Electric / Plug-in Hybrid: DME (Digital Motor Electronics), Integrated Voltage Module (IVM) |
| 51 | 30A — Sound system, Infotainment |
| 52 | 7.5A — DME (Digital Motor Electronics), Integrated Voltage Module (IVM) |
| 53 | 30A — Heated seats |
| 55 | 7.5A — Electric / Plug-in Hybrid: DME (Digital Motor Electronics), Integrated Voltage Module (IVM) |
| 56 | 10A — DME (Digital Motor Electronics), Integrated Voltage Module (IVM) |
| 56 | 15A — Electric / Plug-in Hybrid: DME (Digital Motor Electronics), Integrated Voltage Module (IVM) |
| 57 | 40A — Combustion engine: Replacement top module, Alternating relay |
| 60 | 5A — Rear window defroster, Steering column function control module |
| 62 | 10A — Driving assistance |
| 63 | 5A — Sound system |
| 64 | 5A — Interior lights |
| 66 | 5A — Seat adjustment |
| 67 | 15A — Electric / Plug-in Hybrid: Hybrid system |
| 68 | 5A — Electric fan, Parking sensors / HomeLink (garage door opener), Driving assistance, Hybrid system |
| 69 | 7.5A — NFC |
| 70 | 5A — DME (Digital Motor Electronics), Integrated Voltage Module (IVM), Hybrid system |
| 71 | 10A — Gear indicator, DSC (Dynamic Stability Control), SMG (Sequential Manual Gearbox) |
| 72 | 5A — Driving assistance |
| 74 | 5A — 48 V system, Hybrid system |
Check the purpose of the elements against your diagram from the technical documentation.
Sample brochure describing the purpose (fuse card): download.
Additional 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.
Location
Diagram
Allocation
| F1 | 5 A — Steering column function control module, Driving assistance systems, Main headlights, Rain sensor, Light sensor, Electronic ride height control, Interior lights |
| F2 | 7.5 A — On-board diagnostics (OBD), Hybrid system |
| F3 | 7.5 A — Air conditioning system, Tailgate |
| F4 | 5 A — Front and rear cigarette lighter, 12 V socket, Glove box charging socket, Infotainment, Tailgate, Door module / Automatic soft-close, START-STOP system |
| F5 | 20 A — Door module / Automatic soft-close |
| F6 | 20 A — Door module / Automatic soft-close |
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