For BMW owners and enthusiasts
Exhaust Fumes
I have also been watching other BMW's and noticed that they tend to let off alot of clear smoke as well. Does anybody have a theory??? or is something wrong??
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Comment by junior cassius on January 28, 2010 at 11:58am - Mine does it, and i believe my sisters does too? Its funny i was talking to a mechanic i know and he said his WRX is very prone to it especially in the winter months.
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Comment by Mark Isaac on January 28, 2010 at 6:13am - Yep both of mine do it nothing to worry about
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Comment by Ken (Scottish Regional Rep) on January 28, 2010 at 3:37am - It probably is the catalytic converters being heated up. My 7 series does it, our 1 series does it, my E34 and first 7 series all did it. With autos during the warm up phase the car is kept in a lower gear to get the cat's warm quicker. Manuals maybe have another system for warming them quicker that results in a bit more exhaust fumes when cold
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Comment by Tony on January 27, 2010 at 7:00pm - hi mate , i seem to have that problem too, first thing in the morning its very white , almost like steam ! LOL, it does settle down after a few miles when the engine warms up. i also watch other bmw exhausts too, ....... sounds daft eh! i have some yellow goo & condensation under my oil filler cap, (see my photo) , the fumes have only been like that for a few weeks now since the yellow goo & condensation arrived.
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Comment by Sam on January 27, 2010 at 6:49pm - Its nothing to worry about. It seems that most BMWs tend to do that. As long as the car isn't losing any water and everything is as normal its fine. I don't know why they do it, maybe its extra hot gasses or maybe there is more condensation build up?
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