27 10 020 Installing exchange transfer case (ATC 35L)

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Special tools required

IMPORTANT: Before and after replacement, execute the "Repair" service function with the BMW diagnosis system.

Recycling:

Catch and dispose of escaping transmission oil. Observe country-specific waste disposal regulations

Necessary preliminary tasks:

DRAIN OIL at oil drain plug
Tightening torque 27 10 2AZ .
Remove TRANSFER CASE

Modify following parts:

Covers and protective caps
Drive shaft transportation retainer
Vent hose of transfer case
Holder for exhaust system on transmission cross-member

Mount special tools 22 1 042 / 22 1 041 on transfer case.

Pull out rubber mount with thrust plate 22 1 043 by means of spindle 33 4 460 and nut 22 1 017.

Fig 1: Mounting Special Tools 22 1 042/22 1 041 On Transfer Case

Courtesy of BMW OF NORTH AMERICA, INC.

Bolt special tool 22 1 044 to transfer case.

Insert special tool 22 1 045 with bolt into recesses of rubber mount.

Draw in rubber mount with special tool 33 4 460.

Installation note:

Pay attention to installation position of rubber mount.

Coat housing bore and rubber mount with Circolight.

Fig 2: Installing Rubber Mount For Transmission Mounting (AWD)

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT:

After completing work, check transmission oil level and top up if necessary.

Release filler plug (1).

Check oil level.

Tightening torque 27 10 2AZ .

Pour in transmission oil up to lower edge of opening for filler plug (1).

Use only the APPROVED OIL .

Failure to comply with this requirement will result in serious damage to the transfer case!

Fig 3: Identifying Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.