Variable Valve Timing Solenoid: Service and Repair

11 36 655 Removing and installing/replacing both solenoid valves (N18)





Important!
Always check that the solenoid valves are clean during removal and installation.
Possible malfunction if there is dirt contamination in the valves:
^ Irregular operation.
^ OBD fault entry.
^ Exhaust emission behavior.
^ Low engine performance.





Necessary preliminary work:
^ Remove acoustic cover





Note:
Graphic shows intake valve.

Disconnect plug connection on solenoid valve (3).

Release screw (1).

Remove solenoid valve (2).





Installation note:
Replace sealing rings on solenoid valve.





Assemble engine.

Check function of DME.