Canister Vent Valve: Service and Repair

Replacing Tank Venting Valve (M52TU, M54)

Turn off ignition.







Location:
Tank venting valve (2) is fitted at front below intake air manifold (1).

Z3, E39 and E46:
Remove intake filter housing.

E53/M54 only:
Remove intake hose.

Z3, E39, E46 and E53:







Disconnect plug connection (1).
Release vent hose (2). To do so, press locking bar and detach vent hose.







Detach hose (1) from tank venting valve (2).


NOTE:
Illustration shows removed supply tank for power steering.
Interrogate fault memory of DME control module.
Check stored fault messages.
Rectify faults.
Then clear fault memory.