2018 Bmw X1 s28i, 27,xxx miles, 5.4k OCI BMW TPT (sopus) 5w30 LL01

Joined
Jan 9, 2020
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85
Location
Southern California USA
Interesting how this BMW 5w30 oil sample sheared so much compared to the previous sample which was BMW 0w20. Seems like fuel dilution based on the flashpoint. Lot of idling (napping baby / toddler ) short trips but many small road trips 100 to 300 mile one way this interval. However car had been used the same in both oil samples.
 

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It's not often to see BMW X1 UOA, or much other information on here. Thanks for posting. Looks like 5k OCI with a quality synthetic is getting you some good results. Interested to see if the iron comes down in another oil change or two. Lots of TBN left but I'd err on the side of caution due to the shearing/fuel dilution.
 
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