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Originally Posted by northcountry
E90 - I buy the full syn BMW oil from the dealer
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Interesting
I wonder if its maybe a difference between the new LL04 oil spec in Europe and the older LL01 ( LL01 is fully approved for Petrol E90 engines, but the LL04 was developed with new diesel catalyst and particle filter requirements in mind )
I must try and see if those two chemicals were reduced for the different spec oil