64 11 208 Replacing heater core

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove heater.

Release screws (1).

Press lock (2) and remove cover (3) in direction of arrow.

Installation:

Ensure cover (3) is correctly seated.

Fig 1: Identifying Lock And Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Pull out clips (1) in direction of arrow.

Installation:

Make sure clips (1) are correctly and firmly seated.

Pull pipes (2) out of heater core (3).

Installation:

Replace sealing rings.

Coat sealing rings with antiseize agent.

Make sure sealing rings are correctly seated.

Fig 2: Identifying Clips, Pipes And Heater Core

Courtesy of BMW OF NORTH AMERICA, INC.

Pull out heater core (3) in direction of arrow.

Installation:

Make sure heater core (3) is correctly seated.