BMW 7 Series: Removing And Installing Radiator (N63, N74)
WARNING: Risk of scalding!
Only perform this repair work after engine has cooled down.
IMPORTANT: Wear safety goggles and protective gloves.
Necessary preliminary tasks
- Remove FAN COWL.
Drain COOLANT
- Draw off A/C SYSTEM.
- Unlock and detach coolant hoses on radiator.
Release screws (1).
Tightening torque 17 10 6AZ.
Detach A/C lines (2) and place to one side.

Fig. 33: Identifying A/C Line With Mounting Screws
Installation note:
Replace sealing rings.
Release screws (1) on left and right from cover (3).
Tightening torque 17 10 1AZ.
Release screws (2) behind sealing lip.
Tightening torque 17 10 1AZ.
Lift out cover (3).

Fig. 34: Identifying Radiator Cover With Mounting Screws
Remove radiator (1) towards top.

Fig. 35: Removing Radiator Towards Top
Reassemble the vehicle.
Fill A/C SYSTEM.
Check COOLING SYSTEM for leaks.
REMOVING AND INSTALLING/RENEWING COOLANT EXPANSION TANK (N63)
Necessary preliminary work
- Drain COOLANT.
- Remove left TRAILING LINK.
- Remove left intake duct.
- Release EXPANSION TANK for hydraulic steering or dynamic drive and place
to one side.
Release screw (1).
Tightening torque 17 10 2AZ.
Release and disconnect coolant hoses (2).
Raise expansion tank (3)

Fig. 36: Identifying Coolant Expansion Tank With Hoses And Mounting Screws
Unlock connector (1) on coolant level switch and disconnect.
Remove expansion tank (2).

Fig. 37: Identifying Coolant Expansion Tank With Coolant Level Switch
Connector
Assemble engine.
Top up COOLANT.
Check cooling system for LEAK TIGHTNESS.
READ NEXT:
WARNING: Danger of scalding!
Only perform this work after engine has cooled down.
IMPORTANT: When working on the oil and cooling circuit, protect the
alternator against
dirt/contaminants.
Cover alter
Necessary preliminary tasks
Remove front right WHEEL ARCH TRIM.
WARNING: Danger of scalding!
Only perform this work after engine has cooled down.
IMPORTANT: Wear protective goggles and gloves.
IMPO
WARNING: Risk of scalding! Only perform this repair work after
engine has cooled down.
IMPORTANT: Wear protective gloves and safety goggles.
IMPORTANT: Adhere to conditions of absolute cleanliness wh
SEE MORE:
General
The chassis and suspension is subdivided into the main components that are
described in more detail in the
following:
Front axle
Rear axle
Damping/suspension
Brakes
Steering
Wheels/tires.
Front Axle
Design Layout
Fig. 2: Identifying F01/F02 Front Axle Components
COMPONENT REFERENCE
Automatic Soft Close
The Automatic Soft Close function is an autonomous function. The only
connection to the car's electrical
system is Terminal 30 basic mode (Terminal 30B) and the ground connection. The
Automatic Soft Close
function is operational as of "Terminal 30B ON".
Circuit Diagram for an