27 10 070 Replacing output flange on transfer box at rear (ATC450)

WARNING: This page is about a different variant/trim than selected.

IMPORTANT:

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

For this transfer box, use approved transmission oil only.

NOTE: Replace output flange only together with a new radial shaft seal. Operations for removing output flange are identical to replacing radial shaft seal.

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

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

Fig 1: Dimension A Of Output Flange

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Dimension B Of Output Flange

Courtesy of BMW OF NORTH AMERICA, INC.

Determine dimension C, thickness of shim.

Fig 3: Dimension C Thickness Of Shim

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

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