64 12 530 Removing and installing / replacing combustion air blower (Thermo Top S)

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.

Remove burner insert.

Release screws and remove combustion air blower unit.

Installation:

Observe tightening torque, 64 12 8AZ.

Fig 1: Removing Combustion Air Blower Unit (Thermo Top S)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace sealing rings and ensure they are correctly seated.

Fig 2: Replacing Sealing Rings (Thermo Top S)

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws, unclip rubber grommet and pull out combustion air blower.

Fig 3: Removing Combustion Air Blower (Thermo Top S)

Courtesy of BMW OF NORTH AMERICA, INC.