Produced to original BMW technical drawing

ID ~80.1 mm

ID ~40.3 mm

Diameter of sleeve that is inserted in crankpin: ~18.4 mm

2 different oil slingers are available in the market.

The differences are:

- inner diameter A: 35.8 mm - B: 40.3 mm 

- inner diameter A: 78.1 mm - B:80.1 mm

- the middle hole of 1 is flat, the other has a 45 degree raised edge