11 42 020Removing and installing, sealing / replacing complete main flow oil filter (M43 / M43TU)

Unfasten oil filter cover to allow oil to flow out of main flow oil filter housing and back into oil pan.

This task is described in the section BMW engine oil service,

refer to 00 00 249.

Remove alternator,

refer to 12 31 020.

Unfasten vane pump for power steering unit from carrier (lines remain connected).

Remove alternator carrier.
Remove full-flow oil-filter housing.
Installation:

Sealing faces clean and free of seal debris.


Replace seal.
Installation:

In the case of models with non-return valve made of aluminium, the non-return valve is not separable from the housing of the main flow oil filter.

Replace the sealing ring on the non-return valve.


Installation:

In the case of models with non-return valve made of plastic, the non-return valve is separable from the housing of the main flow oil filter.

Replace the sealing rings on the non-return valve.


Caution!
Check installed direction.

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