17 22 010 Removing And Installing/Replacing Heat Exchanger For Automatic Transmission (N62, N43, N46)

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

17 0 030

Necessary preliminary tasks:

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.

E60/61 only - note:

For SA 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 And 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.

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.

IMPORTANT:

Check fluid level in automatic transmission

Assemble engine.

TOP UP COOLANT AND VENT COOLING SYSTEM .