Quote:
Originally Posted by NYG
I used the LL-01 FE with plenty of track miles. Sent it to blackstone a few times and everytime "you're changing oil too often - looks brand new."
You're overthinking it.
All modern synthetics perform the primary task of lubricating and secondary tasks of:
1) Oxidation
2) Rust Protection
3) Emissions
4) etc...
The difference between most brands is how many parts per million of additive they put of secondary functions and believe me those numbers pretty insignificant. Just use whatever BMW tells you to use.
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can you post some UOAs of your LL-01FE oil? BITOG forums seem to hate the FE oil and the leichtlauf too.