Instructions for dismantling/assembly of coolant hose quick-release couplings
WARNING: This page does not describe the selected car, but rather 37 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2005 BMW 325xi. However, it is still accessible from the selected car via links, so may be relevant.
Dismantling of quick-release coupling
Pull out lock (1) and (2). Pull off hose.
Installation note:
Check O-rings (1).
Do not coat O-rings (1) with lubricant.
Assembly of quick-release coupling
Press in lock (1) before installing quick-release coupling.
Push on hose.
Quick-release couplings must clearly snap audibly into place.