BMW M3 and BMW M4 Forum - View Single Post - White smoke coming from vents/Top of hood

MethodRR · 03-22-2023, 03:57 PM

Have they looked into a failing heater core? Sounds to me like there may be a pinhole leak under high pressure.

03-22-2023, 03:57 PM	#2
MethodRR Private 86 Rep 74 Posts Drives: 2018 F80 M3 Join Date: Sep 2021 Location: Portland, OR iTrader: (0)	Have they looked into a failing heater core? Sounds to me like there may be a pinhole leak under high pressure.
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