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Signature updated (y) Thanks! Denver. We experience temps from -10 to 100 degrees F throughout the year. Last week I did some tough wheeling between 6-12 thousand feet of elevation and is typical for me when I am wheeling. From a quick search, the Motul I used has a TBN of 8.0 mg KOH/g. My...

Thanks for the thoughtful response! 1) LL17 oil is recommended by Ineos, which is generally 0w20 and is thought to be in use for US cafe ratings. However, BMW has approved the use of LL04 oil for the B58, and is the primary recommendation for this engine in other parts of the world. 2) No GPF...

Thanks. That's in line with my instinct. It's good to have it validated.

Thanks for the reply. Correct. The engine had 5000 total miles and 4000 on the oil. I’m okay with break in metals. Thoughts on the sheering? The oil apparently dropped from a 40 to around a 30 weight.

Hey guys! New to tribology. I would appreciate your opinions on next steps as I am not super happy with my recent UOA. I feel the feedback was a little lackluster for me, a newbie. I'd like some clear direction: '24 Ineos Grenadier BMW B58 3.0L turbo 6 cylinder pushing a vehicle close to...