LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1514 (Cooling System - Repair Instructions) >> 22 Oil Cooler Lines >> 17 22 010 Removing And Installing/Replacing Heat EXCHANGER For Automatic Transmission (N62)

17 22 010 Removing And Installing/Replacing Heat EXCHANGER For Automatic Transmission (N62)

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

Follow instructions for working on cooling system. 

Drain coolant from radiator. See 17 00 005 DRAINING AND ADDING COOLANT (N62) .

Installation: 

Top up coolant and vent cooling system  . See 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR LEAKS (N62, N62TU) .

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.

Unlock water hoses (1) on heat exchanger (3) and disconnect.

Fig 1: Identifying Water Hoses And Heat Exchanger
G04778234Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Identifying Hydraulic Hose
G04774154Courtesy of BMW OF NORTH AMERICA, INC.

Pull spring clamp (1) downwards.

Remove heat exchanger (3).

Fig 3: Identifying Spring Clamp And Heat Exchanger
G04774155Courtesy 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.

Fig 4: Identifying Hydraulic Lines And Special Tool (17 0 030)
G04774156Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Check fluid level in automatic transmission, refer to MAINTENANCE AND GENERAL INFORMATION MG00.