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      08-14-2015, 11:00 PM   #21
rdilles
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Drives: 2012 328i Sedan
Join Date: Jul 2015
Location: Los Angeles

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FWIW, here were the relevant notes from my service (apologize for mobile formatting):

Verified smoke from exhaust. Pulled all spark plugs and took pictures for PUMA case. Removed exhaust and catalytic converter. Took pictures of oil in turbo. Did PUMA case. Re-installed cat and exhaust and drove vehicle. Removed cat again and found additional oil in turbo. Removed turbo. Took pictures of head ports. Replaced turbo. After replacement, used smoke machine to check for crankcase leaks. None found. Also checked valve cover and filler caps for leaks. None found. Test drove, performed two more cold starts and checked for faults once more. No faults stored. Vehicle now operating as designed.

It was under warranty so no charge, but lists turbo charger, gasket rings, o-rings, screw clamp, gasket ring, and spark plugs. Your problem could obviously be something completely different, but my symptoms were extremely similar.
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