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chipped piston
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  1. E39 (1997 - 2003)
    6 weeks ago, the radiator on my 2000 540i burst. I got a new radiator, but since then the engine was making a grinding noise. Last week, I started seeing white smoke out of the tailpipe on a cold start. So I decided to take it to the mechanic. He said it sounded like a crack in the engine head...
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