[ceedawg]

Originally Posted by AW F30

Nope, we haven't gotten to that point yet. They're doing a leak down test now to figure out where the problem is coming from and from there, they tell BMW and it 99.9% of the time results in a new engine because BMW doesn't want to risk fixing individual parts.

This is 1000% true!! White smoke loss of power means engine failure in my books. If the car over heated or missfired cyl 6 and 1 almost surely means head gasket failure or bad injector. The white smkoe can mean head gasket or sometimes even crankcase ventilation failure.