17 22 010 Removing and Installing/Replacing Heat Exchanger For Automatic Transmission (N73)

WARNING: This page is about a different car, the 2008 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

17 0 030

Necessary preliminary tasks:

Follow instructions for working on cooling system. See 17 00 ... INSTRUCTIONS FOR WORKING ON COOLING SYSTEM
Drain coolant from radiator. See 17 00 005 DRAINING AND ADDING COOLANT (N73)
Remove engine splash guard.

Recycling

Catch and dispose of drained coolant.

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

Catch and dispose of escaping transmission fluid.

Observe country-specific waste-disposal regulations.

NOTE:

For SE DynamicDrive.

Release nut and remove hydraulic hose (1) with holder from mounting.

Fig 1: Locating Hydraulic Hose With Holder From Mounting

Courtesy of BMW OF NORTH AMERICA, INC.

Pull spring clamp (1) downwards.

Remove heat exchanger (3).

Fig 2: Identifying Spring Clamp & Heat Exchanger

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock hydraulic lines (1 and 2) on heat exchanger (3) with special tool 17 0 030 and disconnect. See 17 0 030 PLIERS

Installation:

Connect hydraulic line (2) with TOP marking to upper pipe of heat exchanger.

NOTE: Illustrations show N62.

Fig 3: Identifying Special Tool (17 0 030)

Courtesy of BMW OF NORTH AMERICA, INC.

CAUTION: Check fluid level in automatic transmission, refer to MAINTENANCE AND GENERAL INFORMATION .

Assemble engine.

Top up coolant and vent cooling system. See 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR LEAKS (N73)