17 22 010 Removing and installing/replacing heat exchanger for automatic transmission (M62/M54/M57)

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, and 2001 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Drain off and top up coolant. Refer to 17 00 005 DRAINING AND TOPPING UP COOLANT (M62, M54 AND M57) .

Recycling:

Transmission fluid emerges when oil lines are detached from heat exchanger.

Catch and dispose of escaping transmission fluid.

Observe country-specific waste-disposal regulations.

CAUTION: Check fluid level in automatic transmission.

Press lines (1/2) in direction of heat exchanger and pull locking ring towards rear.

Keep locking ring pressed and detach lines (1/2) from heat exchanger.

NOTE: Illustration shows heat exchanger from E46.

Fig 1: Detaching Lines From Heat Exchanger

Courtesy of BMW OF NORTH AMERICA, INC.

Pull out lock (1).

Pull heat exchanger (2) out of mounting plate on radiator.

Fig 2: Removing Heat Exchanger

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Installation:

Press lock (1) downwards.
Push heat exchanger (2) onto mounting plate.

The lock must snap audibly into place when the heat exchanger is forced on.

Installation:

Check O-rings (1), replace if necessary.

Fig 3: Locating O-Rings

Courtesy of BMW OF NORTH AMERICA, INC.