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What’s wrong with my vanos?

April 26, 2017vanos wrong

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What’s wrong with my vanos?

1 Answer

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Posted

If you own a BMW 6-cylinder single vanos car, engines M50TU, M52, US S50, S52, 1992-1999, or double vanos car, engines M52TU, M54, M56, 1998-2006. , then your vanos is experiencing a failure. These vanos units utilize engine oil and pistons/cylinders to manipulate the positioning of gears to facilitate variable valve timing. The seals on the pistons are leaking due to deteriorating seal O-rings. This leakage is causing the vanos to fail in its function.