32 41... Notes on hydraulic line with quick-connect coupling: Removing
WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.
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)
Press plastic ring (2) into quick-connect coupling (1) and remove coupling (1).