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.
66 20 520 Removing and installing/replacing an ultrasonic transducer at front (Park Distance Control)
Necessary preliminary tasks:
- Remove front bumper trim. See 51 11 156 REMOVING AND INSTALLING FRONT BUMPER TRIM .
Unfasten plug connection (1) and disconnect.
Unlock catches (2) in direction of arrow and pull ultrasonic transducer (3) out of bracket (4).
Installation:
Retaining hooks (1) of ultrasonic transducer (2) must engage exactly in mountings (3).
NO RELATED
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.