Throttle Body: Service and Repair

Removing and installing/sealing throttle assembly (M54)

Necessary preliminary tasks:
- Switch off ignition.
- Follow instructions for disconnecting and connecting battery.
Disconnect battery negative lead from battery and lay to one side.
- If fitted: Remove sound generator.
- Remove complete intake hose (between intake filter housing and throttle assembly).







Illustrations show E46.
Release screws (1) of cable duct mounting.







Illustrations show E46.
Unlock plug (1) and detach from throttle assembly (3).
Release screws (2) and remove throttle assembly (3).


Installation:







Replace sealing ring (1) of throttle assembly (2).