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17 22 010 Removing and installing/replacing heat exchanger for automatic transmission

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 325Ci, 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, and 2004 BMW 325xi. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools Required: 

Necessary Preliminary Tasks: 

Recycling 

Catch and dispose of escaping transmission fluid.

Observe country-specific waste-disposal regulations.

Unlock lines (1 and 2) with special tool 17 0 030 and detach.

Catch and dispose of escaping transmission fluid.

Fig 1: Unlocking Lines With Special Tool
G03164624Courtesy of BMW OF NORTH AMERICA, INC.

Pull lock (1) upwards and detach heat exchanger towards rear.

Installation: 

Press lock (1) downwards before pushing on heat exchanger. The lock must snap audibly into place when the heat exchanger is forced on.

Fig 2: Pressing Lock
G03164625Courtesy of BMW OF NORTH AMERICA, INC.

Check sealing rings (1), replace if necessary.

Fig 3: Checking Sealing Rings
G03164626Courtesy of BMW OF NORTH AMERICA, INC.