Hack Engineering Vanos Oil Restrictor Service Pack (S54)


The Vanos microfilter and associated O rings should be changed at regular intervals on the S54 engine (E46 M3, late Z3M and Z4M). This kit includes a genuine BMW microfilter as well as the two associated O rings but in Viton, a material of far greater quality and rating than BMW’s cheap O rings. Results in greater oil pressure regulation and service life.

This kit comes with or without genuine BMW part:

11361401971 – Vanos microfilter

Includes uprated Viton O rings, as direct replacements for BMW part numbers:

11311318659 – small O ring
11361403325 – large O ring

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