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Mike_L Mike_L is online now
Posts: 2,043
Join Date: Jun 2014
Car: 2021 M550i xDrive
Default 07-16-2021, 07:17 PM

What color smoke? On the N63, I'd immediately think of the valve seals. They were said to have been fixed with the TU, but that would still be the first thing I'd check.

Mike Levy
2021 Tanzanite Blue II M550 xDrive
2010 Glacier Pearl Nissan Murano SL
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