BMW 7 Series: Removing And Installing/Replacing Gearbox Oil Cooler For Automatic Transmission (N63, N74)
IMPORTANT: Risk of scalding! Only perform this repair work after engine has cooled down.
Necessary preliminary work
- Drain COOLANT.
- Remove FAN COWL.
Recycling
Catch and dispose of drained coolant in a suitable container.
Transmission oil emerges when engine oil lines are detached from transmission oil cooler.
Catch and dispose of escaping transmission oil in a suitable container.
Observe country-specific waste disposal regulations.
Release and disconnect coolant hoses (1).
Unlock transmission oil lines (2) and detach.
Remove transmission oil cooler (3).
NOTE: When replacing transmission oil cooler (3), modify THERMOSTAT INSERT (4).
Fig. 83: Identifying Transmission Oil Cooler, Coolant Hoses, Transmission Oil
Lines And Thermostat
Insert
NOTE: Assemble engine.
Check OIL LEVEL in automatic transmission. If necessary, top up automatic transmission fluid.
REMOVING AND INSTALLING/REPLACING TRANSMISSION OIL COOLER (ALPINA B7 N63)
WARNING: Risk of scalding! Only perform this work after engine has cooled down.
IMPORTANT: Wear safety goggles and protective gloves.
Necessary preliminary work
- Remove front BUMPER TRIM
IMPORTANT: Adhere to conditions of absolute cleanliness when working on the transmission oil circuit.
When removing transmission oil lines and the transmission oil cooler, seal off all openings with suitable plugs.
To avoid transmission damage, do not allow any dirt particles to get into the transmission oil circuit.
Recycling
Transmission oil escapes when oil lines are released. Catch and dispose of escaping transmission oil.
Observe country-specific waste disposal regulations.
Release screw (1) on line clip.
Tightening torque 17 22 1AZ.
Fig. 84: Identifying Line Clip Mounting Screws
Release bolt (1) on transmission oil cooler.
Tightening torque 17 22 2AZ.
Detach oil lines from transmission oil cooler.
Replace O-rings.
Seal oil lines with suitable sealing plugs.
Catch and dispose of escaping transmission oil.
Fig. 85: Identifying Transmission Oil Cooler Mounting Bolt
Picture shows the right side, the procedure for the left side is identical.
Press together the retaining clips (1) on the left and right Remove transmission oil cooler towards front.
Fig. 86: Identifying Transmission Oil Cooler Mounting Clips
Only when replacing transmission oil cooler, modify holders on left and right.
Release screw (1).
Tightening torque 17 22 3AZ.
Remove holders on left and right.
Fig. 87: Identifying Transmission Oil Cooler Mounting Screws
NOTE: After completing work, check transmission oil level and top up transmission oil if necessary.
READ NEXT:
Removing And Installing/Replacing Left Charge Air Cooler (N63)
WARNING: Risk of scalding! Only perform this repair work after
engine has cooled down!
Necessary preliminary work
Remove ACOUSTIC COVER
Remove front UNDERBODY PROTECTION.
Remove FAN COWL.
Drain
Removing And Installing/Replacing Right Charge Air Cooler (N63)
WARNING: Risk of scalding! Only perform this repair work after engine
has cooled down!
Necessary preliminary work
Remove ACOUSTIC COVER
Remove front UNDERBODY PROTECTION.
Remove FAN COWL.
Drain
SEE MORE:
System Overview
GENERAL INFORMATION
The system overview of the F01/F02 audio system begins with a general bus
overview. It shows the
interconnection of all IKT components in the bus system network.
A block diagram of the Car Information Computer is also provided.
Particular reference is made to the individual le
Front Trim Panel
Replacing Front Left Or Right Side Wall Holder
NOTE: Read CONTENTS OF BODY, GENERAL.
Side wall removed.
Transfer the systematic diagram onto the respective holder version.
NOTE: Observe REPAIR STAGE 2.
The following new body parts are required (refer to BMW Electronic Parts
Catalogue):
Holder,
