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E70 4.8i white smoke from exhaust
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06-03-2018, 09:46 AM
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604nguyen
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Drives: X5 4.8i
Join Date: Jan 2014
Location: Vancouver
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I have the n62 4.8i x5 and previously had the exact same symptoms. I’m 100% sure its bad valve guide seals like i had. Its about $14k job at my local dealer.
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604nguyen
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