11 53 000 Removing and installing/replacing coolant thermostat (N52K)
WARNING: This page is about a different car, the 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Risk of scalding!
Only perform these tasks on an engine that has cooled down.
Danger of injury!
Risk of skidding due to coolant on the floor.
Only perform these tasks on an engine that has cooled down.
Danger of injury!
Risk of skidding due to coolant on the floor.
Recycling
Catch and dispose of drained coolant in a suitable collecting vessel.
Observe country-specific waste disposal regulations.
IMPORTANT:
Read and comply with GENERAL NOTES
.
Protect plug connections against coolant and dirt contamination.
Cover plug connections with suitable materials.
Protect plug connections against coolant and dirt contamination.
Cover plug connections with suitable materials.
Necessary preliminary work:
- Remove FRONT UNDERBODY PROTECTION
- Release ANTI-ROLL BAR ON FRONT AXLE(E89 only)
- Remove FAN COWL(only E89, E70)
NOTE:
E89 only
Release screws (1) (only on front axle support)
Tightening torque 17 10 5AZ .
NOTE:
Illustration shows coolant thermostat removed.
Disconnect coolant hoses (arrows) on the thermostat (1) with clamping tongs.
NOTE:
For a better overview, the picture and text refer to the component when removed.
Unfasten hose clamp (1).
Tightening torque 11 53 5AZ .
Remove coolant hose.
Unfasten hose clamp (2).
Tightening torque 11 53 6AZ .
Remove coolant hose.
Unlock and detach coolant hose (3).
Unlock and detach coolant hose (4).
Disconnect plug connection (5).
Release screws (6).
Tightening torque 11 53 1AZ .
Remove coolant thermostat (7).
Assemble engine.