BMW 5-Series Forum (G30) - View Single Post - If I use BMW LL-01 oil instead of BMW LL-14 FE+ will I be voiding warranty?

ezaircon4jc · 03-26-2022, 10:48 PM

I don't know how BMW's valvetronic works, but VVT usually is controlled by oil pressure. A thicker oil can mess with that system. I would stick with the oil that the engineers designed the system to run.

03-26-2022, 10:48 PM	#2
ezaircon4jc Major General 4534 Rep 5,389 Posts Drives: 2019 540i M Sport Join Date: Jan 2015 Location: San Diego iTrader: (0)	I don't know how BMW's valvetronic works, but VVT usually is controlled by oil pressure. A thicker oil can mess with that system. I would stick with the oil that the engineers designed the system to run.
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