13 72 001 Replacing air cleaner element (M54)
WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, and 2001 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
E53 Only:
Open clips (1).
Lift top section (2) of intake filter housing.
E53, E46 And E85:
Remove air cleaner element.
Installation:
Clean top and bottom sections of intake filter housing from inside.
Install new air cleaner element.
Check seal between air-mass flow sensor and air cleaner top section for damage, replace if necessary.
Coat seal with antiseize agent to facilitate joining of air cleaner and throttle body.