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 31 016 Removing and installing/replacing long-range sensor (LRR sensor) (2009-2010 only)
Necessary preliminary tasks:Β
- Remove TRIM GRILLE for bumper trim, middle.
- Version with Sports package only:
Remove NUMBER/LICENSE PLATE BASEPLATE
(number/license plate baseplate conceals sensor adjusting screw)
Secure LRR sensor (2) against falling out.
Cover bumper in working area (1) with adhesive tape.
Using special tool 00 9 317 unclip LRR sensor (2) from brackets on both sides.
Installation note:Β
LRR sensor must be felt and heard to snap into place.
Disconnect plug connection (2) and remove sensor (1).
After installation:Β
- Adjust LONG-RANGE SENSORΒ
- Carry out PROGRAMMING/CODINGΒ
Replacement:Β
Carry out rough adjustment of ACC sensor (1) at adjusting screws (2).
- Measurement A [mm]: 43
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.