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.
1998 BMW 528i AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ABS/ASC Control Module (A52) | Behind glove box. See Figure . |
| Air Suspension Control Unit (A118) | Right side of spare tire. See Figure . |
| Cruise Control Module (Tempomat) (A8) | Left kick panel. See Figure . |
| Driver's Door Module (A23) | Driver's door. See Figure . |
| Electronic Drive-Away Protection Control Unit (EWS) (A836) (1996-97) | Behind glove box. See Figure . |
| Electronic Drive-Away Protection Control Unit (EWS) (A836) (1998) | Left kick panel. See Figure . |
| Electronic Shock Absorber Control Module (EDC) (A80) | Right side of luggage compartment. See Figure . |
| Engine Control Module (DME) (A6000) | Right rear of engine compartment. See Figure . |
| General Module (A1) | Behind glove box. See Figure . |
| Headlight Washer Module (K6) | Behind glove box. See Figure . |
| Headlight Widening Control Module (A53) | Behind glove box. See Figure . |
| Heating And A/C Control Module (A11) | Center console. See Figure . |
| Independent Park/Auxiliary Heating (A14) | Left front wheelwell. See Figure . |
| Integrated Instrument Cluster Control Module (IKE) (A63) | Behind left side of dash. See Figure . |
| Intercom Control Unit (WSA) (A413) | Spare tire compartment. See Figure . |
| Light Module (A3) | Right kick panel. See Figure . |
| Multifunction Steering Wheel Control Module (A105) | Left side of dash. See Figure . |
| Navigation Control Module (A112) | Left side of luggage compartment. See Figure . |
| Park Distance Control Module (A81) | Right side of luggage compartment. See Figure . |
| Passenger's Door Module (A24) | Passenger's door. See Figure . |
| Receiver, Independent Heating (A128) | Behind right rear seat. See Figure . |
| Sunroof Module (A33) | Front headliner. See Figure . |
| Supplemental Restraint System Control Module (A12) | Center console. See Figure . |
| Transmission Control Module (AGS) (A8600) | Right rear of engine compartment. See Figure . |
| Transmit/Receive Module (EWS) (A835) | Steering column. See Figure . |
| Video Module (A197) | Left rear of luggage compartment. See Figure . |
| Window Heating Control Unit (A411) | Spare tire compartment. See Figure . |
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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