00 00 ... Intake muffler: replacing air cleaner element (shorten replacement interval accordingly in event of larger buildup of dust)
WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.
For subsequent procedure, refer to CABIN AIR FILTER .