2012 BMW 3 Series F30 Fuse Box Diagram
The 2012 BMW 3 Series (F30) has 3 fuse boxes. Choose the one you’re looking at.
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Engine compartment fuse box (front power distribution box)
In the engine compartment on the right-hand side (viewed in the direction of travel; on the left on right-hand-drive cars), under a plastic cover next to the bulkhead. The fuse allocation card for this box is kept in the luggage compartment by the rear fuse box. Positions 18-35 run along the top, 42-56 along the bottom, 57-63 down the left edge and 64-70 down the right edge; 36-41 sit between the two relay housings in the middle. Positions 30, 35, 38, 39, 49, 51 and 59-61 are unpopulated.
| No. | Function | Amp | Description |
|---|---|---|---|
| 18 | 15 AMINI | OBD diagnostic socket | |
| 19 | 10 AMINI | Engine electronics (DME / DDE), integrated supply module | |
| 20 | 5 AMINI | Park distance control, garage door opener, anti-theft alarm, interior lights | |
| 21 | 5 AMINI | Start-stop system; engine electronics | |
| 22 | 7.5 AMINI | Outside mirrors, door modules (soft-close), power-window anti-trap | |
| 23 | 10 AMINI | Engine electronics main relay (DME / DDE) | |
| 24 | 10 AMINI | Gear-selector display, electronic damper control, all-wheel-drive control | |
| 25 | 5 AMINI | ABS / DSC; head-up display, amplifier, TV tuner, navigation (display electronics) | |
| 26 | 5 AMINI | Seat heating | |
| 27 | 10 AMINI | Seat adjustment | |
| 28 | 5 AMINI | Alarm, park distance control, garage door opener, OBD, interior lights, sunroof / convertible top | |
| 29 | 5 AMINI | ABS / DSC; auxiliary heater | |
| 30 | Not used | ||
| 31 | 7.5 AMINI | Head-up display; seat adjustment | |
| 32 | 5 AMINI | Seat-belt presenters; gear-selector display, damper control, all-wheel drive | |
| 33 | 10 AMINI | Vehicle transport / towing electronics (card symbol: car on a flatbed) | |
| 34 | 10 AMINI | Seat-belt presenters | |
| 35 | Not used | ||
| 36 | 40 AATO | Engine electronics (DME / DDE), integrated supply module | |
| 37 | 40 AATO | Engine electronics (DME / DDE), integrated supply module | |
| 38 | Not used | ||
| 39 | Not used | ||
| 40 | 15 AMINI | Headlights (dipped and main beam) | |
| 41 | 10 AMINI | Vehicle transport / towing electronics (card symbol: car on a flatbed) | |
| 42 | 5 AMINI | Alarm, park distance control, garage door opener, OBD, interior lights | |
| 43 | 15 AMINI | Engine electronics | |
| 44 | 5 AMINI | Cruise control (driver assistance) | |
| 45 | 5 AMINI | Cruise control (driver assistance) | |
| 46 | 5 AMINI | Engine electronics | |
| 47 | 5 AMINI | Engine electronics; vehicle transport electronics | |
| 48 | 10 AMINI | Electric power steering, steering column switch cluster | |
| 49 | Not used | ||
| 50 | 5 AMINI | Instrument cluster | |
| 51 | Not used | ||
| 52 | 7.5 AMINI | Instrument cluster | |
| 53 | 5 AMINI | Lights (light module) | |
| 54 | 7.5 AMINI | Gear-selector display, electronic damper control, all-wheel-drive control | |
| 55 | 5 AMINI | Electric power steering | |
| 56 | 5 AMINI | Electric fan, air conditioning, heating and auxiliary heater | |
| 57 | 40 AATO | Headlights (light module supply) | |
| 58 | 30 AATO | ABS / DSC hydraulic unit | |
| 59 | Not used | ||
| 60 | Not used | ||
| 61 | Not used | ||
| 62 | 30 AATO | Sunroof / panorama roof, convertible top; seat-belt presenters | |
| 63 | 30 AATO | All-wheel-drive transfer case control | |
| 64 | 20 AATO | Seat heating | |
| 65 | 20 AATO | Seat heating | |
| 66 | 20 AATO | Cigarette lighter and 12 V sockets | |
| 67 | 30 AATO | Seat adjustment | |
| 68 | 30 AATO | Seat adjustment | |
| 69 | 20 AATO | 12 V sockets (rear, luggage compartment, glove box) | |
| 70 | 20 AATO | Auxiliary heater (heating) |
Luggage compartment fuse box (rear power distribution box)
In the luggage compartment under the floor covering, towards the right-hand side; the fuse allocation card is kept beside it. Positions 100-111 run along the top, 112-117 in the middle right, 118-123 lower left of centre, 124-142 along the bottom, 143-159 in the two columns on the left and 160-166 down the right edge; the three square housings are relays. Positions 101, 102, 105, 108-112, 115, 118, 119, 129, 131, 133, 134, 136, 138, 156-158 and 166 are unpopulated.
| No. | Function | Amp | Description |
|---|---|---|---|
| 100 | 15 AMINI | Headlights (light module) | |
| 101 | Not used | ||
| 102 | Not used | ||
| 103 | 5 AMINI | Anti-theft alarm siren | |
| 104 | 5 AMINI | Anti-theft alarm; door modules (soft-close) | |
| 105 | Not used | ||
| 106 | 40 AATO | Convertible top module / relay | |
| 107 | 40 AATO | Tailgate lock and soft-close | |
| 108 | Not used | ||
| 109 | Not used | ||
| 110 | Not used | ||
| 111 | Not used | ||
| 112 | Not used | ||
| 113 | 20 AATO | Trailer module | |
| 114 | 20 AATO | Trailer module | |
| 115 | Not used | ||
| 116 | 30 AATO | Seat-belt presenters | |
| 117 | 30 AATO | Seat-belt presenters | |
| 118 | Not used | ||
| 119 | Not used | ||
| 120 | 5 AMINI | Head-up display, amplifier, TV tuner, video module, telephone | |
| 121 | 20 AATO | Navigation / display electronics, instrument cluster, amplifier, TV tuner | |
| 122 | 30 AATO | Amplifier, TV tuner, video module | |
| 123 | 40 AATO | Head-up display, amplifier, TV tuner, video module | |
| 124 | 5 AMINI | Electronic damper control / air suspension | |
| 125 | 5 AMINI | Navigation / display electronics, amplifier, TV tuner | |
| 126 | 10 AMINI | Navigation / display electronics, amplifier, TV tuner | |
| 127 | 5 AMINI | CD changer | |
| 128 | 5 AMINI | Navigation / display electronics, telephone | |
| 129 | Not used | ||
| 130 | 5 AMINI | Tailgate lock and soft-close | |
| 131 | Not used | ||
| 132 | 5 AMINI | Tyre pressure control (RDC) | |
| 133 | Not used | ||
| 134 | Not used | ||
| 135 | 5 AMINI | Vehicle transport / towing electronics (card symbol: car on a flatbed) | |
| 136 | Not used | ||
| 137 | 20 AATO | Engine electronics, integrated supply module | |
| 138 | Not used | ||
| 139 | 20 AATO | Trailer module | |
| 140 | 20 AATO | Trailer module | |
| 141 | 20 AATO | Seat heating; convertible top module | |
| 142 | 30 AATO | Navigation / display electronics, amplifier, TV tuner | |
| 143 | 5 AMINI | Convertible top module | |
| 144 | 10 AMINI | Engine electronics | |
| 145 | 15 AMINI | Engine electronics | |
| 146 | 5 AMINI | Park distance control, garage door opener; engine electronics | |
| 147 | 5 AMINI | Navigation / display electronics, amplifier, TV tuner | |
| 148 | 5 AMINI | Electronic damper control / air suspension | |
| 149 | 7.5 AMINI | Fuel pump control | |
| 150 | 5 AMINI | Door modules (soft-close), tailgate lock; fuel pump control | |
| 151 | 5 AMINI | Fuel pump control | |
| 152 | 5 AMINI | Seat-belt presenters | |
| 153 | 5 AMINI | Lights (light module) | |
| 154 | 5 AMINI | Head-up display | |
| 155 | 15 AMINI | Navigation / display electronics, instrument cluster, amplifier, TV tuner | |
| 156 | Not used | ||
| 157 | Not used | ||
| 158 | Not used | ||
| 159 | 5 AMINI | Navigation / display electronics, amplifier, TV tuner | |
| 160 | 20 AATO | Electronic damper control / air suspension | |
| 161 | 20 AATO | Headlights (light module) | |
| 162 | 20 AATO | Cigarette lighter and 12 V sockets | |
| 163 | 20 AATO | Door modules (soft-close), central locking | |
| 164 | 20 AATO | Seat heating | |
| 165 | 20 AATO | Fuel pump control | |
| 166 | Not used |
Rear electronic module (REM) fuses
On the right-hand side of the luggage compartment behind the side trim, above the battery. The five MINI fuses sit in a column at the right of the module, in slots the housing numbers 1 to 5 from the bottom: 82 in slot 1, 85 in 2, 83 in 3, 84 in 4 and 80 in 5. The large housings are the module's relays.
| No. | Function | Amp | Description |
|---|---|---|---|
| 80 | 30 AMINI | Heated rear window | |
| 82 | 20 AMINI | Rear wiper (Touring) | |
| 83 | 30 AMINI | Power windows, rear | |
| 84 | 30 AMINI | Power windows, rear | |
| 85 | 7.5 AMINI | Electric rear sun blind |