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BMW F10 M5 Oil Consumption
I was having to add oil every other fill up. Took my M5 to the dealer just before it went out of warranty with the smell of oil and what sounded like an air leak. The discovered that part of the air filter had been sucked into the engine (vehicle had extended service so only serviced at dealer). After talking to BMW/NA hey replaced both turbos and the catalytic converters. No oil use since with about 2k miles and the oil level remains the same.
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