Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1992 BMW 535i AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ABS/ASC Elec. Control Unit | Behind left side of dash. |
| ABS Control Unit | In electrical box, behind right shock tower (module closest to shock tower). |
| A/C Compressor Control Unit | Behind left kick panel. |
| Air Intake Control Unit | In electrical box, behind right front shock tower. |
| Anti-Theft Module | Under left side of rear seat. |
| Automatic Air Recalculation Control Unit | Behind left kick panel. |
| Check Control Module | In engine compartment fuse/relay block. See Figure . |
| Chime Module | Under left side of dash (round unit with 3-pin & 4-pin connectors). |
| Crash Control Module | In engine compartment fuse/relay block. See Figure . |
| Cruise Control Module | In electrical box, behind right shock tower (2nd module near firewall). |
| Digital Motor Electronics (DME) Control Unit | In electrical box, behind right front shock tower. |
| EML Control Unit | In electrical box, behind right front shock tower. |
| Electronic Trans. Control Unit (A/T) | Behind right kick panel. |
| General Module | In passenger compartment fuse/relay block. See Figure . |
| Headlight/Front Foglight Cleaning System Module | On auxiliary relay block. See Figure . |
| Integrated Climate Regulation Control Unit | Behind left center of dash, on left side of A/C-heater plenum. |
| Light Control Module | In engine compartment fuse/relay block. See Figure . |
| Memory Seat/Mirror Control Unit | Under left side of dash. |
| Power Sun Roof Control Unit | Under left side of dash. |
| Rear Wiper/Washer Interval Control Unit | On left side of luggage compartment, behind side panel. |
| Relay Module | In passenger compartment fuse/relay block. See Figure . |
| Servotronic Control Unit | Behind left kick panel. |
| SRS (Air Bag) Diagnostic Module | Behind left side of dash, to left of steering column. |
| Wheel Camber Control Unit | Below right rear of vehicle, near differential. |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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