17 22 010 Removing and installing/replacing transmission oil cooler (ALPINA B7 N63)

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Risk of scalding!
Only perform this work after engine has cooled down.

IMPORTANT: Wear safety goggles and protective gloves.

Necessary preliminary tasks:

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 1: Identifying Line Clip Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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 2: Identifying Transmission Oil Cooler Mounting Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

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 3: Identifying Transmission Oil Cooler Retaining Clips

Courtesy of BMW OF NORTH AMERICA, INC.

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 4: Identifying Transmission Oil Cooler Mounting Screw

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: After completing work, check transmission oil level and top up transmission oil if necessary.