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Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1656 (Engine - Repair - E91) >> Variable Camshaft Timing >> 11 36 655 Removing and installing/replacing both solenoid valves (N52K) >> Notes

11 36 655 Removing and installing/replacing both solenoid valves (N52K): Notes

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IMPORTANT: It is essential to observe conditions of absolute cleanliness when removing and installing the inlet and exhaust solenoid valves.
Possible malfunction if valves are contaminated:
  • Rough running
  • OBD fault entry
  • Exhaust emission characteristics
  • Low engine power