Variable Valve Timing Solenoid: Service and Repair

11 36 655 - Removing and installing/replacing both solenoid valves (N52)





Important!
Always check that the solenoid valves are clean during removal and installation.
Possible malfunction if valves are contaminated:
- Rough running.
- OBD fault entry.
- Exhaust emission behaviour.
- Low engine power.





Necessary preliminary tasks:
- Remove acoustic cover 11 00 ... Removing and Installing/Replacing Acoustic Cover





Disconnect plug connection (1) for inlet solenoid valve (2).
Unscrew bolt (3).
Remove inlet solenoid valve (2) with bracket towards front.
Disconnect plug connection (6) for exhaust solenoid valve (5).
Release screw (4).
Remove exhaust solenoid valve (5) with bracket towards front.

Important!
Risk of mixing up plug connections (1 and 6)





Assemble engine.
Check function of DME.