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Home >> BMW >> 2011 >> Alpina B7 >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine - Repair - F01/F02 >> 1151 Water Pump With Drive >> 1151000 Removing and installing/renewing coolant pump (N63) >> Necessary preliminary work

Necessary preliminary work

IMPORTANT: Risk of damage! 
Coolant emerges when the coolant hoses are detached from the coolant thermostat and coolant pump.
Cover surrounding components and plug connections with suitable apparatus
NOTE: For purposes of clarity, the graphic shows the auxiliary water pump removed.
Fig 1: Identifying Plug Connections
G06888821Courtesy of BMW OF NORTH AMERICA, INC.

Remove plug connections (2 and 3).

Installation note: 

Plug connections (2 and 3) must snap audibly into place!

Unlock snap fastener on coolant hose (1).

Detach coolant hose (1) and lay to one side.

Release screw (4).

Tightening torque 11 51 3AZ .

Detach pipe (3) and lay to one side.

Installation note: