Air Flow Meter/Sensor: Service and Repair

13 62 560 - Removing and installing/replacing air-mass flow sensor (M54)





Necessary preliminary tasks:
- Read out fault memory of DME control unit
- Switch off ignition





Unlock plug (1) and remove.
Release clips (2).
Release clamp (3).
Pull air-mass flow sensor (4) first out of top section of intake filter housing and then out of air intake hose.





Installation:
Check sealing ring (1) between air-mass flow sensor and intake filter housing for damage, replace if necessary.
Coat sealing ring (1) with suitable antiseize agent.

Note:
Illustrations show E85.





Installation:
Check stored fault messages.
Now clear the fault memory.