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:
Removing And Installing/Replacing Cooling Coil For Power Steering
(N63, N74)
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
Removing And Installing/Replacing Engine Oil Cooler (N54, N63)
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
Removing And Installing/Replacing Feed And Return Lines For Engine
Oil Cooler (N63)
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:
Welding In Reinforcement Plate (Steel Plate)
In the case of a partial replacement piece, a body component is cut at a
point described in the repair instructions.
A reinforcement plate is welded in to ensure sufficient strength.
Follow notes for welding steel parts.
NOTE: The following illustrations serve as general illustrations of
reinfor
Replacing Pipes For Air Springs
WARNING: Risk of injury!
Drain the air spring system before carrying out any work on the air supply
unit, air pipes and air springs! Danger of injury if this instruction is not
complied with!
Risk of damage!
Extreme cleanliness must be ensured in the connection area of the pipes during
removal and
