BMW 3-Series F30, F31, F34 (2012 – 2018) Fuse Box Location & Diagrams
Electrical gremlins in your BMW 3-Series can be a headache, but pinpointing the problem is simpler than you think. Whether you are driving an F30 sedan, F31 wagon, or F34 Gran Turismo, this comprehensive resource provides exact fuse box locations and detailed wiring diagrams. Quickly identify, diagnose, and replace faulty components to keep your luxury vehicle running perfectly today.
Fuse Box Location
Engine Compartment Fuse Box
It is located on the right side of the engine compartment (on the left side on the right-hand drive vehicles), under the plastic cover.
Passenger Compartment Fuse Box
It is located in the front pillar on the passenger side, under the glove box.
Luggage Compartment Fuse Box
The first unit is located on the right side, behind the cover, above the battery.
The second – in the center, under the lining.
Fuse Box Diagrams
Engine Compartment Fuse Box
BMW 3-Series (2012 – 2018)
| № | Amps | Description |
|---|---|---|
| 18 | 15A | OBD |
| 19 | 10A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 20 | 5A | Parking sensors / Home link (garage door opener), Interior lights |
| 21 | 5A | START-STOP system, DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 22 | 7.5A | Electric mirrors, Door module / Automatic soft-close, Power windows with anti-trapping function |
| 23 | 10A | Digital Diesel Electronics (DDE), DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 24 | 10A | Indicator Cutie Viteze Automata, Sistem EDC, Sistemul de tractiune integrala / Gear indicator, EDC, Gear Automatic Transmission Control, AWD |
| 25 | 5A | ABS (Anti-lock Brake System), DSC (Dynamic Stability Control), Head-Up Display (HUD), HiFi Amp, TV tuner, Video module, Navigation system |
| 26 | 5A | Heated seats |
| 27 | 10A | Seat adjustment |
| 28 | 5A | Alarm, Parking sensors / Home link (garage door opener), OBD, Interior lights, Sunroof, Panorama glass, Convertible top module |
| 29 | 5A | ABS (Anti-lock Brake System), DSC (Dynamic Stability Control), Electric fan |
| 31 | 7.5A | Head-Up Display (HUD), Seat adjustment |
| 32 | 5A | Seatbelts, Indicator Cutie Viteze Automata, Sistem EDC, Sistemul de tractiune integrala / Gear indicator, EDC, Gear Automatic Transmission Control, AWD |
| 34 | 10A | Seatbelts |
| 36 | 40A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 37 | 40A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 40 | 15A | Main headlights / Rain sensor / Light sensor / Electronic ride height control |
| 42 | 5A | Alarm, Parking sensors / Home link (garage door opener), OBD, Interior lights |
| 43 | 15A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 44 | 5A | Cruise control |
| 45 | 5A | Cruise control |
| 46 | 5A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 47 | 5A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 48 | 10A | Steering column function control module |
| 50 | 5A | Instrument cluster |
| 52 | 7.5A | Instrument cluster |
| 53 | 5A | Light module |
| 54 | 7.5A | Indicator Cutie Viteze Automata, Sistem EDC, Sistemul de tractiune integrala / Gear indicator, EDC, Gear Automatic Transmission Control, AWD |
| 55 | 5A | Steering column function control module |
| 56 | 5A | Electric fan, Air conditioner system, Heating / Independent aux. heater |
| 57 | 40A | Main headlights / Rain sensor / Light sensor / Electronic ride height control |
| 58 | 30A | ABS (Anti-lock Brake System), DSC (Dynamic Stability Control) |
| 62 | 30A | Seatbelts, Sunroof, Panorama glass, Convertible top module |
| 63 | 30A | Indicator Cutie Viteze Automata, Sistem EDC, Sistemul de tractiune integrala / Gear indicator, EDC, Gear Automatic Transmission Control, AWD |
| 64 | 20A | Heated seats |
| 65 | 20A | Heated seats |
| 66 | 20A | Front & rear cigarette lighter, 12V socket / Glove box charging socket (12V) |
| 67 | 30A | Seat adjustment |
| 68 | 30A | Seat adjustment |
| 69 | 20A | Front & rear cigarette lighter, 12V socket / Glove box charging socket (12V) |
| 70 | 20A | Heating / Independent aux. heater |
Passenger Compartment Fuse Box
BMW 3-Series (2012 – 2018)
| Component Type | ID/Label | Description |
| Connector | 1 | 54-pin connector |
| Connector | 2 | 12-pin connector |
| Connector | 3 | 42-pin connector |
| Connector | 4 | 54-pin connector |
| Fuses | 5 | Steering column switching center (SZL), Driver assistance control, Lighting panel, LED headlights, Rear electronic module (REM), OBDII connector, IHKA, External door handle block, Window lifter, Central locking |
| Connector | 6 | 1-pin connector (positive) |
| Relays | 7 | Electric windows, Central locking, Headlight washers, Starter, Horn, Windshield wiper (1/2 speed) |
| Connector | 8 | 54-pin connector |
| Connector | 9 | 54-pin connector |
| Connector | 10 | 54-pin connector |
Luggage Compartment Fuse Box
BMW 3-Series (2012 – 2018)
| № | Amps | Description |
|---|---|---|
| 80 | 30A | Rear window defroster (defogger) |
| 82 | 20A | Rear wiper relay |
| 83 | 30A | Power windows with anti-trapping function |
| 84 | 30A | Power windows with anti-trapping function |
| 100 | 15A | Main headlights / Rain sensor / Light sensor / Electronic ride height control |
| 103 | 5A | Alarm |
| 104 | 5A | Alarm, Door module / Automatic soft-close |
| 106 | 40A | Convertible top module / Convertible relay |
| 107 | 40A | Boot lid (tailgate) lock / Soft-close automatic for tailgate |
| 113 | 20A | Trailer module |
| 114 | 20A | Trailer module |
| 116 | 30A | Seatbelts |
| 117 | 30A | Seatbelts |
| 120 | 5A | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module, Telephone |
| 121 | 20A | Head-Up Display (HUD), Instrument cluster, HiFi Amp, TV tuner, Video module, Navigation system |
| 122 | 30A | HiFi Amp, TV tuner, Video module |
| 123 | 40A | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module |
| 124 | 5A | Air suspension system |
| 125 | 5A | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module, Navigation system |
| 126 | 10A | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module, Navigation system |
| 127 | 5A | CD changer / Can Gateway module |
| 128 | 5A | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module, Navigation system, Telephone |
| 130 | 5A | Boot lid (tailgate) lock / Soft-close automatic for tailgate |
| 132 | 5A | Tire pressure control RDV |
| 137 | 20A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 139 | 20A | Trailer module |
| 140 | 20A | Trailer module |
| 141 | 20A | Heated seats, Convertible top module / Convertible relay |
| 142 | 30A | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module, Navigation system |
| 143 | 5A | Convertible top module / Convertible relay |
| 144 | 10A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 145 | 15A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 146 | 5A | Parking sensors / Home link (garage door opener), DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 147 | 5A | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module, Navigation system |
| 148 | 5A | Air suspension system |
| 149 | 7.5A | Fuel pump relay / Fuel pump control |
| 150 | 5A | Door module / Automatic soft-close, Fuel pump relay / Fuel pump control, Boot lid (tailgate) lock / Soft-close automatic for tailgate |
| 151 | 5A | Fuel pump relay / Fuel pump control |
| 152 | 5A | Seatbelts |
| 153 | 5A | Light module |
| 154 | 5A | Head-Up Display (HUD) |
| 155 | 15A | Head-Up Display (HUD), Instrument cluster, HiFi Amp, TV tuner, Video module, Navigation system |
| 159 | 5A | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module, Navigation system |
| 160 | 20A | Air suspension system |
| 161 | 20A | Main headlights / Rain sensor / Light sensor / Electronic ride height control |
| 162 | 20A | Front & rear cigarette lighter, 12V socket / Glove box charging socket (12V) |
| 163 | 20A | Door module / Automatic soft-close |
| 164 | 20A | Heated seats |
| 165 | 20A | Fuel pump relay / Fuel pump control |
