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.
2006 BMW 330i AutomaticFACTORY OEM SERVICE PROCEDURE
Distance Systems, Cruise Control - Repair - E90/E91
- 12 Radio-controlled locking
- 20 Park Distance Control
- 66 20 508 Removing and installing (replacing) control unit (Park Distance Control)
- 66 20 518 Removing and installing/replacing an ultrasonic transducer at front (outside) (Park Distance Control)
- 66 20 520 Removing and installing/replacing an ultrasonic transducer at front (inside) (Park Distance Control)
- 66 20 540 Removing and installing/replacing a rear ultrasonic transducer (Park Distance Control)
- 66 20 560 Removing and installing/replacing rear signal sensor (Park Distance Control)
- 66 20 565 Removing and installing/replacing front signal sensor (Park Distance Control)
- 31 Adaptive Cruise Control
- 53 Reversing camera
Factory Service Tools
Use the Manual With the Right Hardware
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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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