11 61 095 Removing and installing/replacing DISA adjustment unit
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
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.