11 72 000 Removing and installing/replacing air pump (M54)
WARNING: This page is about a different car, the 2005 BMW Z4, 2004 BMW Z4, and 2003 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
Unlock and detach pressure line (1).
Unfasten screws.
Lift air pump (2), unlock and disconnect plug connection.