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HOMESERVICE MANUALSBMW2008M5 (E60) V10-5.0L (S85)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOXYGEN SENSORSERVICE AND REPAIRREPLACING RIGHT OXYGEN MONITOR SENSOR (S85)
2008 BMW M5 (E60) V10-5.0L (S85)

Replacing Right Oxygen Monitor Sensor (S85)

2008 BMW M5 (E60) V10-5.0L (S85)SECTION Replacing Right Oxygen Monitor Sensor (S85)



11 78 543 - Replacing right oxygen monitor sensor (S85)





Special tools required:
- 11 7 030 11 7 030 Socket Wrench Socket WAF 22





Warning!
Scalding hazard!

Only perform these tasks after exhaust system has cooled down.





Necessary preliminary tasks:
- Read out fault memory in Digital Motor Electronics (DME).
- Remove transmission underbody protection.





Remove oxygen monitor sensor (1) with special tool 11 7 030 11 7 030 Socket Wrench Socket WAF 22.

Installation Note:
If the oxygen monitor sensor is reused, apply a thin and even coat of Never Seez Compound (refer to BMW Parts Service) to the thread only.

The part of the the oxygen monitor sensor which projects into the exhaust system branch (sensor ceramic) must not be cleaned or come into contact with lubricant.





Check function of DME.
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.