27 10 070 Replacing output flange on transfer box at rear (ATC700)

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: After completing work, check TRANSMISSION OIL LEVEL and top up if necessary.
Use only approved transmission oil for this transfer box. See TRANSFER BOX - OPERATING FLUIDS .

NOTE:

Operations for removing output flange are identical to replacing RADIAL SHAFT SEAL .

Installation note:

Thickness of new shim must be determined before output flange is installed.

Determine and note down dimension A of output flange (old and new).

Fig 1: Measuring Dimension A Of Output Flange

Courtesy of BMW OF NORTH AMERICA, INC.

Determine and note down dimension B of output flange (old and new).

Fig 2: Measuring Dimension B Of Output Flange

Courtesy of BMW OF NORTH AMERICA, INC.

Determine old dimension C, thickness of shim.

Fig 3: Measuring Shim Thickness

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Calculate thickness of new shim:

Add old dimension A of output flange (previous) and old dimension C of shim Then subtract old dimension B from old result A+C.
Subtract dimension B from dimension A of output flange (new).
Then subtract result of step 2 from result of step 1.