Same motor (same car) and I use 5w30 Motul 8100 X-Clean EFE
Motul 8100 Power 5w40 oil. My shop recommends it, I'm based in NC, Autocross in the summer sucks, but my oil temps drop back around 214 degrees F when I come off the track.
Motul full syntetic 10w40, oem oil filter.
I use Motul in my built engine (not IAG) per the recommendation of the shop that built it.
If it’s actually an IAG long block, they spec Motul 8100 X-CESS 5W-40 (or an equivalent high quality 5W-40 full synthetic) because their bearing clearances are set up for that weight, not the thinner OEM oil.
Motul is a good oil but i stuck with the OEM stuff when i replaced my clutch
I recently switched from the stock Royal Enfield engine oil to Motul 10W40 fully synthetic. The bike feels noticeably smoother and cleaner.
During all my oil changes, I\u2019ve taken a sample and sent off to Blackstone for analysis.\n\nEven after 12k miles, there\u2019s still enough TBN left that I could have continued using it out to 15k miles.\n\nDissolved metals and other elements were still within universal engine norms so it wasn\u2019t like the sample was abnormally contaminated.
Lots of BMW's as they get in to the upper mileage tend to start consuming oil one way or another.
Buddy and me have found that the Motul 7100 isnt that great in them (additives appear to fail about 1500 miles as seen with very increased mis-shifts).
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