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HOMESERVICE MANUALSBMW2006X3 (E83) (CANADA) L6-2.5L (M54)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOXYGEN SENSORSERVICE AND REPAIRREPLACING OXYGEN CONTROL SENSOR (CYLINDERS 1-3)
2006 BMW X3 (E83) (CANADA) L6-2.5L (M54)

Replacing Oxygen Control Sensor (Cylinders 1-3)

2006 BMW X3 (E83) (CANADA) L6-2.5L (M54)SECTION Replacing Oxygen Control Sensor (Cylinders 1-3)



11 78 511 - Replacing oxygen control sensor (cylinders 1-3)





Special tools required:
- 11 7 020 11 7 020 Socket Wrench Socket WAF 22





Necessary preliminary tasks:
- Read out DME fault memory.





Disconnect plug connection for control sensor.
Release control sensor with special tool 11 7 020 11 7 020 Socket Wrench Socket WAF 22.
Tightening torque: 11 78 1AZ .





Installation:
Threads of new control sensors are already coated with Never Seez compound.
If the control sensor is reused, coat only the thread with a thin layer of Never Seez compound (refer to BMW Parts Service).
The control sensor section projecting into the exhaust system branch 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.