Removing and Installing/Replacing DISA Adjustment Unit

Removing and Installing/Replacing DISA Adjustment Unit
Turn off ignition.

E46 Only:
Disconnect intake hose between air-mass flow sensor and connecting piece.





Unlock plug (1) and detach from DISA adjustment unit (DISA = differentiated air intake system).





Release screws.
Withdraw DISA adjustment unit (1) from intake air manifold.