64 12 015 Removing and installing complete heater (Thermo Top Z/C)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.
Remove front left wheel. See 36 10 300 REMOVING OR INSTALLING FRONT OR REAR WHEEL
Remove front left wheel arch lining.
WARNING:
Danger of scalding!
Only perform this work after engine has cooled down.
Only perform this work after engine has cooled down.
Disconnect plug connections (1).
Disconnect supply, return and fuel hoses.
Loosen hose clamps (2).
Detach water hoses (3) and fuel hose (4).
Release screws or expansion rivets and remove floor trim.
Loosen screws (1).
Release pipe clamp (2).
Separate exhaust pipe (3) from exhaust manifold (4).
Move heater (5) in direction of arrow and remove.
Installation:
Replace rubber grommets if necessary.
Top up coolant and vent cooling system. See 17 00 005 DRAINING AND TOPPING UP COOLANT .