64 0... Disconnecting a water hose
WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
When removing water hoses which are located in the upper area of the cooling system, disconnecting them prevents a large-scale escape of coolant.
Fit special tool 13 3 010 to coolant hose (1) as illustrated.
Disconnect water hose (1) by turning nut (2) in direction of arrow.