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.
2009 BMW X3 StandardFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Adaptive Directional Headlight (A214) | Under right side of dash. See Figure. |
| Digital Motor Electronics (DME) Control Module (A6000) | Left rear engine compartment. See Figure. |
| Dynamic Stability Control (A65a) | Left rear engine compartment. See Figure. |
| General Module Control Unit (A1) | Right side of dash. See Figure. |
| Heating/Air Conditioning System (A11a) | Center of dash. See Figure. |
| Intermittent Wipe/Wash Control Module (Rear) (A36) | Liftgate. See Figure. |
| Multiple Restraint System Control Module (A12) | Center console. See Figure. |
| Navigation System (A112a) | Left side of rear compartment. See Figure. |
| Panorama Glass Sunroof Module (A336) | In overhead console. See Figure. |
| Park Distance Control (PDC) (A81a) | Center of rear compartment floor board. See Figure. |
| Servotronic (A17) | Right side of dash. See Figure. |
| Trailer Module (A6) | Center of rear compartment floor board. See Figure. |
| Transfer Box Control Module (A70006) | Center of rear compartment floor board. See Figure. |
| Transmission Control (A7000a) | Left rear of engine compartment. See Figure. |
| Video Module (A197) | Left side of rear compartment. See Figure. |
| Voice Control System (U6a) | Left side of rear 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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