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m5bbq · 08-23-2022, 07:06 PM

my car sticker calls for 0w30 oil. I hear everyone going with 5w40. Is that necessary? Are there reports of engine failure with 0w30? or is heavier weight only for people running aftermarket tunes & bigger turbo?

08-23-2022, 07:06 PM	#1
m5bbq Private 21 Rep 90 Posts Drives: M5's Join Date: Jul 2022 Location: Central Cali iTrader: (0)	engine oil weight question my car sticker calls for 0w30 oil. I hear everyone going with 5w40. Is that necessary? Are there reports of engine failure with 0w30? or is heavier weight only for people running aftermarket tunes & bigger turbo?
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