Control units and relays (BMW 3 Series E36)

Table of contents: Relay under the steering column ↓ Relay in the footwell on the left ↓ Control units behind the glove box ↓ Relay board behind glove box ↓ Other relays and control units ↓ Relay box in the engine compartment ↓

Control units and relays are located in various places on BMW 3 Series vehicles.

Relay under the steering column

1. Electric window relay, sliding roof panel
2. Crash sensor jumper
3. Parking ventilation relay
4. Headlight cleaning system relay
5. Relay for rear window cleaning system, windshield washer pump
6. Amplifier relay (radio receiver)

Relay in the footwell on the left

1. Jumper starter interlock relay
2. Windscreen wiper relay, stage I
3. Windscreen wiper relay, stage II
4. Unloading relay terminal 15
5. Unoccupied

Control units behind the glove box

A - in the electronics unit

1. Airbag control unit
2. Security alarm system (DWA)
3. Not busy
4. Not busy
5. Tempomat system control unit (speed control)

B - on the right side wall
1. ABS control unit including central locking system module.
2. Impact switch on the right front pillar.

Relay board behind glove box

Door lock heating relay
Temperature cut-off unit or daytime running light relay
Fog light relay

Note: On vehicles equipped with air conditioning, relay 17 is located above relay 15.

Control units in the engine compartment behind the battery stand

top - Automatic transmission control unit
bottom - Digital electronic engine control unit (DME, Motronic)

Other relays and control units

The sliding roof panel relay is in the roof, attached to the drive.

The windshield wiper and washer control unit is located in the driver's footwell.

Interior light relay - controlled via central locking system module.

The audio amplifier is located in the luggage compartment.

Relay box in the engine compartment

Petrol engines:
1 Lambda probe heating relay
2 Engine Management System Main Relay (OME)
3 Fuel pump relay

Diesel engines:
1 Fuel pump relay
2 Main relay of the engine management system (DDE)
3 Unoccupied

[You can find the original version on the portal: «bmwman»]

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Article verified: Chebotarev Vladislav

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БМВ E36: Equipment and devices

Lighting system — general information
Replacing incandescent lamps
Table of lamps
Removal and installation headlights
Headlight adjustment

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