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Old 02-11-2012, 04:50 PM   #2
328iInt.o
2nd Gear Member
 
Join Date: Oct 2006
Location: Mississauga
Posts: 140
Frozen ccv.

Overnight with this cold weather the valve stuck open and dumped oil into your intake manifold. The reason the rpm were dipping is because the oil was smothering the engine - hence the smoke (burning oil).

Leave the car in the garage overnight or find a way to heat up the ccv plus it's lines somehow before driving it. Then drive the car REALLY hard to burn all the condensation.

You'll be alright. Btw I speak from experience. Happened to me last winter. Try avoiding short drives and drive the car hard especially in these colder weathers - this will not solve the problem but can help avoid it.

Last edited by 328iInt.o; 02-11-2012 at 05:46 PM.
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