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JoeyMcMahon101 · 07-16-2019, 06:42 PM

Do not, I repeat DO NOT tune them. They can't handle it, also not all timing chain and guides were affected. Only a handful. But don't tune it... numerous shops warned me, if you do, then do the chain and guides.

07-16-2019, 06:42 PM	#88
JoeyMcMahon101 Banned 53 Rep 202 Posts Drives: 2013 BMW 328i xDrive Join Date: Nov 2018 Location: Iselin NJ iTrader: (0)	Do not, I repeat DO NOT tune them. They can't handle it, also not all timing chain and guides were affected. Only a handful. But don't tune it... numerous shops warned me, if you do, then do the chain and guides.
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