Fuel Tank Vent: 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.







NOTE:
Interrogate fault memory of DME control module.
Check stored fault messages.
Rectify faults.
Then clear fault memory.