17 22 010 Removing and installing/replacing gearbox oil cooler for automatic transmission (N63, S63)

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Danger of scalding!
Only perform this work after engine has cooled down.

Necessary preliminary tasks

Follow INSTRUCTIONS FOR WORKING on cooling system
Drain COOLANT
Remove FAN COWL

Recycling

Catch and dispose of drained coolant in a suitable container.

Transmission fluid emerges when fluid lines are detached from transmission fluid cooler.

Catch and dispose of escaping transmission fluid in a suitable container.

Observe country-specific waste-disposal regulations.

Unlock and disconnect coolant hoses (1) and (2).

Release screw (3) and remove lines (4).

Installation:

Replace sealing rings.
Tightening torque 17 22 9AZ .

Release screws (5).

Tightening torque 17 22 10AZ .

Remove transmission fluid cooler (6).

Installation:

Only when replacing transmission fluid cooler, modify THERMOSTAT CARTRIDGE .

Fig 1: Identifying Transmission Fluid Cooler, Coolant Hoses, Lines And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: After completing work, check FLUID LEVEL in automatic transmission, topping up transmission fluid if necessary.