64 12 016 Replacing complete heater (Thermo Top Z/C)
WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.
Remove complete heater.
Release screws and remove bracket for heater (1).
Installation:
Replace exhaust sealing ring and ensure it is correctly seated.