BMW 4-Series F32, F33, F36 (2014 – 2020) Fuse Box Location & Diagrams
Electrical issues in your BMW 4-Series can be a frustrating hurdle, but finding the source is manageable with the right information. Whether you drive an F32 coupe, F33 convertible, or F36 Gran Coupe, this resource provides exact fuse box locations and clear wiring diagrams. Quickly identify, diagnose, and replace faulty circuits to keep your vehicle running in top condition.
Fuse Box Location
Engine Compartment Fuse Box

- Use the onboard vehicle tool kit to loosen the three cover screws, arrow 1.
- Squeeze and raise the holder, arrow 2.
- Remove the cover from one side, arrow 3.
- Press the four fasteners and remove the cover.
On right-hand drive vehicles, the fuses are located on the opposite side of the engine compartment.
Luggage Compartment Fuse Box
Fold up the cargo floor panel to access.

Fuse Box Diagrams
Engine Compartment Fuse Box
BMW 4-Series (2014 – 2020)

| № | Amps | Description |
|---|---|---|
| 18 | 15A | Diagnostic connector |
| 19 | 10A | Engine control |
| 20 | 5A | Audio control unit, roof electronics |
| 21 | 5A | Control unit |
| 22 | 7.5A | Door locks. Passenger rearview mirror, interior lighting |
| 23 | 10A | DDE main relay |
| 24 | 10A | Electronic automatic transmission (EAT) control unit, 4×4 |
| 25 | 5A | Touchbox, audio. Body control unit, abs, praking |
| 26 | 5A | Seat heating |
| 27 | 10A | Driver/passenger seat lumbar support valve block, driver/passenger side seat adjustment switch block |
| 28 | 5A | Front left lamp. Front right lamp. Rain sensor. Interior lighting |
| 29 | 5A | Coolant pump |
| 32 | 5A | Transfer box, security system |
| 33 | 15A | Coolant pump. Air conditioning compressor. Additional water pump |
| 34 | 10A | Safety system, seat belt |
| 40 | 15A | Headlights, outdoor lighting, dimensions |
| 42 | 5A | Electrochromic rearview mirror |
| 44 | 5A | Driver support systems based on a video camera, active steering system |
| 45 | 5A | Cruise control |
| 46 | 5A | Crankcase ventilation heater. Coolant shut-off valve, louvre |
| 47 | 5A | Night vision electronics (NVE), vehicle sound generator (VSG) |
| 48 | 10A | Steering column switches |
| 50 | 5A | Instrument cluster |
| 52 | 7.5A | Instrument cluster |
| 53 | 5A | Glove box lighting, instrument panel trim strip lighting (driver/passenger side), instrument panel trim strip lighting on driver’s side, driver/passenger footwell lighting |
| 54 | 7.5A | Selector switch |
| 55 | 5A | Electronic power steering (EPS) |
| 56 | 5A | Air quality sensor, ventilation system |
| 57 | 40A | Fuse box, Headlights, outdoor lighting, dimensions |
| 58 | 30A | Dynamic Stability Control (DSC) |
| 62 | 30A | Retractable roof |
| 63 | 30A | Transfer box |
| 64 | 20A | Front passenger seat heating module |
| 65 | 20A | Driver seat heating module |
| 66 | 20A | Cigarette lighter |
| 67 | 30A | Driver’s seat control unit. Driver seat adjustment |
| 68 | 30A | Passenger seat adjustment. Passenger seat control unit |
| 69 | 20A | 12V socket |
| 70 | 20A | Heating |
Luggage Compartment Fuse Box
Luggage Fuse Box Type 1

| № | Amps | Description |
|---|---|---|
| 100 | 15A | Main headlights / Rain sensor / Light sensor / Electronic ride height control |
| 104 | 5A | Door module / Automatic soft-close |
| 106 | 40A | Telephone |
| 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 | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module,Navigation system | |
| 126 | 10A | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module |
| 128 | 5A | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module, 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,Telephone |
| 142 | 30A | HiFi Amp, TV tuner, Video module |
| 143 | 5A | Telephone |
| 144 | 10A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 145 | 15A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 146 | 5A | DME – Digital Motor Electronics / Integrated Voltage Module – IVM |
| 147 | 5A | Head-Up Display (HUD), HiFi Amp, TV tuner, Video module |
| 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 |
| 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 |
| 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 | 30A | Heated seats |
| 165 | 20A | Fuel pump relay / Fuel pump control |
Luggage Fuse Box Type 2
| Type | No. | Description | |
|---|---|---|---|
Fuse MINI 30A | 80 | Rear window defroster (defogger) | |
Fuse MINI 20A | 82 | Rear wiper relay | |
Fuse MINI 30A | 83 | Power windows with anti-trapping function | |
Fuse MINI 30A | 84 | Power windows with anti-trapping function | |
Fuse MINI 7.5A | 85 | Electric rear sunshade |




