Notes on hydraulic line with quick-connect coupling (X5 M)

1. Quick-connect coupling with ID marking 

   Courtesy of BMW OF NORTH AMERICA, INC.

   Removing: 

   Push quick-connect coupling (1) against pipe (4) (thereby relieving strain on spring (2)).

   Press plastic ring (3) into quick-connect coupling (1) and remove coupling (1).

   Assembly: 

   Markings (K) on coupling (1) and pipe (4) must be flush.

   Push quick-connect coupling (1) onto pipe (4) until a "click" can clearly be heard.

   To check that quick-connect coupling (1) has been installed correctly pull it back forcefully.

2. Quick-connect coupling with indication pins 

   Courtesy of BMW OF NORTH AMERICA, INC.

Removing: 

Press plastic ring (2) into quick-connect coupling (1) and remove coupling (1).

Assembly: 

When replacing hydraulic line: remove transportation lock (T).

Push quick-connect coupling (1) onto pipe (3) until both indication pins (4) can be seen and felt to point outwards at outside diameter of housing.

To check that quick-connect coupling (1) has been correctly fitted, feel indication pins (4) at outside diameter of housing. When correctly seated, indication pins (4) cannot be pressed into housing.