Replacing rear crankshaft seal (B36 engine) (Cooper base)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2021 MINI Cooper, 2020 MINI Cooper, 2019 MINI Cooper, 2018 MINI Cooper, and 2017 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

23 0 490
11 8 815
11 9 182
11 9 184
11 9 181
2 360 215
11 9 183

Preliminary work needed:

Remove FLYWHEEL .

Removal:

IMPORTANT: Magnet wheel (1) is magnetic.
Keep magnet wheel (1) in a plastic bag away from shavings.

Remove magnet wheel (1) from crankshaft.

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Drill size maximum 2.5 mm.
Remove shavings immediately with vacuum cleaner.
Do not remove shavings with compressed air!

Drill a hole with a drill (1) in the radial shaft seal (see arrow).

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Risk of damage at the crankcase and on the running surface of the crankshaft.
Immediately carefully remove residual shavings.

Screw in special tool 23 0 490 in the direction of the arrow.

Drive out radial shaft seal with impact weight in arrow direction.

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

IMPORTANT: Damage to the crankshaft seal.
Taping the sealing lip (inner) and oiling the crankshaft seal will destroy it.

Do not tap the sealing lip (inner) of the crankshaft seal.
Do not oil the crankshaft seal.
Install the crankshaft seal dry.

Pre-assemble special tool 11 8 815 on crankshaft.

Carefully slide the crankshaft seal (1) straight off the special tool 11 8 815 using a rotational movement until the crankshaft seal is positioned parallel on the timing case cover.

Remove special tool 11 8 815.