Necessary preliminary work
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2014 BMW Alpina B7L, 2014 BMW Alpina B7, and 2013 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
- Drain COOLANT .
- Remove COOLANT PUMP .
- Remove charge air cooler EXPANSION TANK .
- REMOVE fan cowl with electric fan.
IMPORTANT:
Risk of damage!
Coolant emerges when the coolant hoses are detached from the coolant thermostat.
Cover surrounding components and plug connections with suitable apparatus
Coolant emerges when the coolant hoses are detached from the coolant thermostat.
Cover surrounding components and plug connections with suitable apparatus
NOTE:
For purposes of clarity, the graphic shows the auxiliary water pump removed.
Disconnect plug connection (3).
Installation note:
Plug connection (3) must snap audibly into place!
Unlock snap fastener on coolant hose (2).
Detach coolant hose (2) and lay to one side.
NOTE:
One of the screws is not shown and is located at the rear under the coolant thermostat (1).
Release screws (4).
Tightening torque 11 53 1AZ .
Lift out coolant thermostat (1).
NOTE:
The coolant thermostat is integrated in the housing cover. It can only be replaced as a complete unit!
Clean sealing surface.
Installation note: