2004 BMW 3 Series E46 Fuse Box Diagram
The 2004 BMW 3 Series (E46) has 2 fuse boxes. Choose the one you’re looking at.
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Glove compartment fuse box, left half (fuses 1-15 and 35-52)
Behind the glove compartment lid: open the glove box, turn the two white quick-release latches at its sides outwards and lower the fuse panel. The BMW fuse allocation card (part 6 953 026.9) and a red fuse puller are clipped to the panel. This is the left part of the box as seen from the passenger seat, up to the fuse puller: the three 50 A MAXI fuses 35-37 with two horizontal MAXI sockets above them, the upper row of positions 1-15 and the lower row of positions 38-52; the four horizontal pockets between the rows hold spare fuses. Positions 1-4 are unused.
| No. | Function | Amp | Description |
|---|---|---|---|
| 1 | Not used | ||
| 2 | Not used | ||
| 3 | Not used | ||
| 4 | Not used | ||
| 5 | 5 AATO | Horn relay (control side) | |
| 6 | 5 AATO | Vanity mirror lights; convertible soft-top control unit | |
| 7 | 5 AATO | Radio, navigation computer, on-board monitor, telephone and aerial amplifier (memory supply) | |
| 8 | 5 AATO | SMG sequential gearbox control (M3) | |
| 9 | 5 AATO | Brake-light switch, cruise control, clutch switch, general module, light module, on-board computer | |
| 10 | 5 AATO | Instrument cluster | |
| 11 | 5 AATO | Airbag control unit, side-airbag sensors and seat-belt buckle sensors | |
| 12 | 7.5 AATO | Steering-column switch centre (supply for DSC, seat heating, roller sun blind, tyre pressure control and soft-top switches) | |
| 13 | 7.5 AATO | Roll-over protection system (convertible) | |
| 14 | 5 AATO | EWS immobiliser control unit; starter interlock and gearshift lock | |
| 15 | 5 AATO | Rain sensor; rear wiper and washer control (Touring) | |
| 35 | 50 AMAXI | ABS / DSC hydraulic unit on four-wheel-drive cars; soft-top drive relay on the convertible | |
| 36 | 50 AMAXI | Secondary air pump relay | |
| 37 | 50 AMAXI | Electric cooling fan | |
| 38 | 10 AATO | Front fog-light relay | |
| 39 | 5 AATO | Telephone: transceiver, hands-free and voice-input modules | |
| 40 | 5 AATO | Gear-selector display illumination; DSC steering-angle sensor | |
| 41 | 30 AATO | Radio, amplifier, CD changer, navigation computer, on-board monitor | |
| 42 | 30 AATO | Steering-column switch centre (power for DSC, seat heating, roller sun blind, tyre pressure control and soft-top switches) | |
| 43 | 5 AATO | Instrument cluster; OBD II diagnostic socket (US cars) | |
| 44 | 20 AATO | Trailer socket | |
| 45 | 20 AATO | Rear wiper and washer (Touring) | |
| 46 | 20 AATO | Convertible soft-top control unit and top relay (20 A); sliding/tilt sunroof module on other bodies (30 A) | |
| 47 | 20 AATO | Cigarette lighter, front 12 V socket and oddment-compartment sockets | |
| 48 | 30 AATO | General module (GM5): front window lifts | |
| 49 | 5 AATO | General module (GM5) control supply: central locking, interior lights, window lifts, washer pump, anti-theft alarm; aerial amplifier | |
| 50 | 40 AATO | Heater blower (blower switch or blower output stage) | |
| 51 | 30 AATO | Headlight washer module | |
| 52 | 30 AATO | General module (GM5): interior, glove-box and luggage-compartment lights, hand lamp, central locking, washer pump |
Glove compartment fuse box, right half (fuses 16-34 and 53-71)
The right part of the glove-compartment fuse box, beyond the red fuse puller: the upper row of positions 16-34 and the lower row of positions 53-71, with four spare-fuse pockets between the rows. Positions 16-21 are unused. Open the glove box, turn the two white latches outwards and lower the panel; the fuse allocation card clipped to it lists these positions on its right half.
| No. | Function | Amp | Description |
|---|---|---|---|
| 16 | Not used | ||
| 17 | Not used | ||
| 18 | Not used | ||
| 19 | Not used | ||
| 20 | Not used | ||
| 21 | Not used | ||
| 22 | 5 AATO | Diesel engine control unit (DDE); SMG sequential gearbox (M3) | |
| 23 | 5 AATO | Auxiliary coolant pump of the heater | |
| 24 | 5 AATO | Auto-dimming interior mirror; park distance control (PDC) | |
| 25 | 5 AATO | Passenger-side heated outside mirror; heated washer-jet thermostat | |
| 26 | 5 AATO | Garage door opener; cigarette lighter (Australian cars) | |
| 27 | 10 AATO | Reversing-light relay; gear-position switch and transmission control (engine control) | |
| 28 | 5 AATO | Heating and air-conditioning control panel, blower relay and A/C compressor relay | |
| 29 | 5 AATO | Engine control unit (DME or DDE), unloader relay, automatic transmission control | |
| 30 | 7.5 AATO | OBD II diagnostic socket, alternator, oil-level sensor, transmission control | |
| 31 | 5 AATO | Mirror adjustment switch; tyre pressure control (RDC / RPA) | |
| 32 | 5 AATO | Light switch centre (LSZ); xenon headlights and adaptive headlight control | |
| 33 | 5 AATO | ABS / DSC control unit, steering-angle sensor, switch centre | |
| 34 | 5 AATO | Instrument cluster; fuel-pump control unit (MS45 engine electronics) | |
| 53 | 30 AATO | ABS / DSC hydraulic unit (pump) | |
| 54 | 20 AATO | Fuel pump relay (15 A on earlier six-cylinder petrol engines, 25 A on DDE4.0 diesels) | |
| 55 | 15 AATO | Horns (via the horn relay) | |
| 56 | 30 AATO | ABS / DSC hydraulic unit (valves) | |
| 57 | 5 AATO | Folding and memory outside mirrors; front window motors with anti-trap protection (Compact, Convertible) | |
| 58 | 7.5 AATO | Rear window relay (Touring tailgate window); adaptive headlight control unit (Coupe and Convertible from 03.2003) | |
| 59 | 30 AATO | Windscreen wiper relay | |
| 60 | 25 AATO | General module (GM5): central locking | |
| 61 | 30 AATO | DSC hydraulic unit | |
| 62 | 7.5 AATO | Heater water valves | |
| 63 | 7.5 AATO | A/C compressor relay | |
| 64 | 5 AATO | Automatic transmission control on diesel engines (DDE5); auxiliary parking heater control unit when fitted (20 A) | |
| 65 | 30 AATO | Driver's seat adjustment and lumbar support | |
| 66 | 5 AATO | SMG sequential gearbox (ignition-switch feed) | |
| 67 | 5 AATO | EWS immobiliser, auto-dimming interior mirror, anti-theft alarm (interior sensor, tilt sensor, siren) | |
| 68 | 30 AATO | Heated rear window relay | |
| 69 | 5 AATO | Tyre pressure control (RDC) | |
| 70 | 30 AATO | Passenger's seat adjustment, lumbar support and seat memory | |
| 71 | 10 AATO | General module (GM5): rear window lifts on saloon and Touring (30 A); hinged rear windows on the Coupe (10 A) |