Replacing left control sensor (S63T2) (X5 M)
Special tools required:
- 11 7 020
Only perform this work after engine has cooled down.
Necessary preliminary tasks:
- Check function of DME.
- Switch off ignition.
- Remove BRACKET .
Unclip control sensor cable (2) at retaining clips (3).
Unlock plug connection and detach.
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 the applicable BMW Parts Catalogue).
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 .
Installation note:
Check function of DME control unit.
Pay attention to cable routing of control sensor.