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

G-Ram · 03-24-2023, 12:48 PM

Should be ale to do a pressure test on the cooling system, see if it holds, or is losing pressure. Sounds like a heater core / heater lines issue to me as well.

03-24-2023, 12:48 PM	#10
G-Ram Private 46 Rep 68 Posts Drives: '15 M4 Join Date: Jan 2021 Location: British Columbia iTrader: (0)	Should be ale to do a pressure test on the cooling system, see if it holds, or is losing pressure. Sounds like a heater core / heater lines issue to me as well.
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