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      08-01-2023, 08:44 AM   #14
97blksvt
/// M power again
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Drives: BMW M3
Join Date: Jan 2023
Location: Michigan

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Quote:
Originally Posted by hellokitty View Post
Get an oil analysis and add on TAN and you’ll have your answer on best interval. I personally run 3k intervals MAX since I’m on flex fuel and E85 kills oil due to fuel dilution and oxidation.

Who do you oil analysis thru and what's TAN add on? Im on e85 as well for the summer or some kind of blend of it.
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