Shaft sealing ring flange aluminium

A new aluminium cover metal seal and cassette seal ring has been introduced to improve the sealing of the rear crankshaft.
Attention there are two different aluminium covers 87537523 with 2 threaded holes at the bottom and 87537524 without threaded holes.

Assembly instructions
- Clean the sealing surfaces
- Loosely mount gasket 87801610 and aluminium cover 87537523/87537524 with screws.
- Mount the cassette sealing ring 87381732 (with assembly tool 297194 or 297116, never with a hammer!)
- Align the aluminium cover with the exact edge of the engine oil pan and tighten the screws slightly.
- Check that the aluminium cover is still exactly aligned with the oil pan.
- Tighten the screws in the correct sequence with 16-23Nm. (Assembly sequence can be downloaded as a PDF from
product information).
- Aluminium flange 87537523 with 2 threads at the bottom for bolting to oil sump 1.11.1991-31.03.1994 up to engines
Number 182736 (7839
- Aluminium flange 87537524 without thread at the bottom for bolting with oil sump from 1.04.1995 up engine number
182737