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Disassembly of fast-release coupling

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.

Withdraw lock (1/2), disconnect hose.

Fig 1: Disconnecting Hose
G04725825Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Check O-rings (1).

Do not coat O-rings (1) with antiseize agent.

Fig 2: Identifying O-Rings
G04725826Courtesy of BMW OF NORTH AMERICA, INC.