Jonathan Yarden Dec 17, 2020 · 5 min. read
In this article you will find a description of fuses and relays BMW,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Years: 1984, 1985, 1986, 1987
Fuse box (power distribution box)
Fuse box is located om the left inside the engine compartment. It is accessible when thr engine compartment is open.
| Fuse | Ampere rating [A] | Description |
| 1 | 7,5 | Left high-beam headlight (relay K3) |
| 2 | 7,5 | Right hand-beam headlight (relay K3) |
| 3 | 25 | Auxiliary fan, 91 C (relay K1) |
| 4 | 15 | Turn indicators |
| 5 | 25 | Wiper-washer, and intensive windshield cleaning system (relay K10) |
| 6 | 7,5 | Stop light, automatic cruise control |
| 15 | Stop lights (with additional stop light), automatic cruise control | |
| 7 | 15 | Horn, twin-tone horns (relay K2) |
| 8 | Amplifier | |
| 9 | 15 | Engine electronics |
| 10 | 7,5 | Instruments, on-board computer, check-control |
| 11 | 15 | Fuel pump/deliver pump |
| 12 | 7,5 | Radio |
| 13 | 7,5 | Left low-beam headlight (relay K4) |
| 14 | 15 | Right low-beam headlight (relay K4) |
| 15 | — | Not in use |
| 16 | 30 | Heater blower (relay K5) |
| 17 | 15 | Reversing (backup) light, remote-control mirrors, mirror heating, fan control, air-conditioning, first and second stage of temperature switch |
| 18 | 30 | Auxiliary fan, 90 C (relay K6) |
| 19 | 25 | Sliding / vent roof (relay K7) |
| 20 | 25 | Rear window heating elements (relay K7) |
| 21 | 7,5 | Interior, glove box and luggage compartment lights, hand lamp, clock, radio memory, on-board computer |
| 22 | 7,5 | Side, rear and parking lights (left) rear fog lights |
| 23 | 7,5 | Side, rear and parking lights (right), licence plate and instrument light make-up mirror and engine compartment lighting |
| 24 | 15 | Hazard warning flasher |
| 25 | 30 | Self-levelling suspension |
| 26 | 30 | Seat adjustment, electric windows |
| 27 | 25 | Central lockin, door lock heating |
| 28 | 25 | Cigarette lighter, power radio antenna |
| 29 | 7,5 | Left fog light (relay K8) |
| 30 | 7,5 | Right fog light (relay K8) |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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