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M5Rick · 06-06-2023, 05:30 AM

These symptoms are mainly caused by valve seals leaking and/or oil carry over from the crank case ventilation, also check PCV valves on either side on top of the engine.

06-06-2023, 05:30 AM	#2
M5Rick General 90537 Rep 27,112 Posts Drives: M5 F10 DCT Gunmetal Join Date: Aug 2018 Location: GB iTrader: (0)	These symptoms are mainly caused by valve seals leaking and/or oil carry over from the crank case ventilation, also check PCV valves on either side on top of the engine.
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