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I have a 2012 C6 50i. Great car. As long as the engine isn’t the same as the 2012. A mechanic gave me news at just over the cert pre owned warranty expired that the engines tend to fail. This is with a turbo and apparently the cylinders warp. That’s what he saw when he scoped it. BMW was going to make good should the engine be defective even though it was technically out of warranty. I was told the new Bosch spark plugs were describe and charge $2300 at a dealer working with the regional office.
For new plugs and service run down. Power was never the same so I’m guessing they tweaked (dumbed down) the software and no new problems except the pick up has never been the same. I was told that the mechanic heard of several other engines failing around 80,000 miles.
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