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.
51 11... Additional work, pedestrian protection sensor
2011 BMW 550i 4.4, N63, StandardSECTION 51 11... Additional work, pedestrian protection sensor
NOTE:
In vehicles up to version 25.03.2010
, certain additional work needs to be performed before the pedestrian protection sensor can be replaced.
The following list provides an overview of the additional work. Check that the additional work has been performed. If this additional work has not yet been performed, complete steps 1, 2, 3, 6 and 7.
The following list provides an overview of the additional work. Check that the additional work has been performed. If this additional work has not yet been performed, complete steps 1, 2, 3, 6 and 7.
- New wiring harness installation arrangement (route wiring harness behind washer jet for headlight cleaning system, secure wiring harness).
- Reworking of support for bumper trim (sand away knurled surface structures, deburr edges).
- Installation of new spare parts (top impact absorber, pedestrian protection sensor).
- Installation of spray guard lid at top impact absorber.
- Securing of top impact absorber at support for bumper trim.
- SA823 only (variant for hot countries): Trim of air duct of engine oil cooler at front left.
- If additional work has not been performed yet: Carry out vehicle programming and encoding.
RENDER: 1.0x
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:
- • 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.