Running too thick of an oil can cause starvation because pressure builds too high and can't properly deliver oil fast enough to critical areas. What do you mean by oil starvation? is it because the oil level is low or the oil pump not being able to keep up?
I have never seen any oil reports of N5x cars with fuel dilution issues except ones with failed injectors and owners who don't think that's a big enough issue to replace them LOL Not a chance anyone should have any fuel dilution problems if there are no underlying mechanical issues. These engines have very tight (modern) tolerances which makes E85 a completely moot point. Pressure will be high and flow from the oil pump will suffer.
You put extra stress on the components trying to pump thick oil. The oil is much thicker on cold starts and can actually be the source of starvation for many running incorrectly weighted oils. There are no LL-01 oils in 10w-40 and for good reason. It's probably one of the few LL-01 oils I'd actually use over Castrol Edge EU.ġ0w-40 in a street car is a terrible idea especially in cold climates. So, please don't post "feelings." Also, previous posters should stop wasting time with LiquiMoly conspiracy theories lol.
I don t know why the report says BMW 5-30 was used. In fact, this person was also using LiquiMoly. Blackstone recommended running out to 12k miles for the next sample. Someone just posted their Blackstone results of their E85 car after 9,500 miles and the oil is still fine. sometimes shit happens and it just plain out sucks for everyone. Other causes can be insufficient logging when tuned to catch 'timing pull anomalies', inept tuning, too much boost for given octane, and unfortunately the ago old. I strongly believe these engines need to have an oil change every 5k-7k (at most) miles on pump and every 3k miles on E85/High E85 mixes- especially when tuned and should be running 0w40. Generally oil starvation and or prolonged oil change intervals.
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