11 78 530 Replacing left control sensor (N63O1) REP-REP-RAF1511N63O1-1178530 - V.4 (X6 xDrive 50i)
Special tools required:
- 11 7 020
Only perform repair work after engine has cooled down.
Necessary preliminary tasks:
- Check function of DME.
- Switch off ignition.
- Remove ACOUSTIC COVER .
Remove HOLDER for engine wiring harness.
Unclip connector (1) for control sensor out of holder and release plug connection.
Feed out cable (2) up to sensor
Release control sensor with special tool 11 7 020
Installation note:
The threads of new oxygen control/monitoring sensors are already coated with 4.2 NEVER SEEZ COMPOUND (refer to applicable BMW Parts Catalog).
If a lambda control/monitoring sensor is to be reused, apply a thin and even coating of Never Seez Compound to the thread only.
The part of the lambda control/monitoring sensor which projects into the exhaust branch (sensor ceramics) must not be cleaned and not coated with lubricant.
Secure control sensor with special tool 11 7 020 and a torque wrench.
Tightening torque 11 78 1AZ .