If I let the car (2012 X1) sit for a few days it blows a thick white smoke on start for about half a minute or so. There's also a slight smell of coolant (I think) blowing through the vents.
Any idea what this could be?
The car is also due for a timing chain replacement - is this related? In other words, will replacing the timing chain fix this?
Cheers!
Your turbo oil feed line is bleeding oil pressure into the turbo while the car sits. Common issue and the new line has a check valve to prevent this in the future.
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