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      03-06-2019, 09:38 PM   #89
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Drives: 435i
Join Date: May 2016
Location: canada

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Originally Posted by smithf80 View Post

It is completely normal for exhaust gas to come out of only one of your two exhaust tips, and for only one to look dirty most of the time.

The behavior may be normal under given circumstances, but what the circumstances are caused by may not be.

I thought this was normal for awhile after seeing this post, but turns out my engine oil has gone REALLY bad due to it running short distances in cold weather without enough time for the oil to warm up and caused it to get really thick.

if your oil temp gauge hasn't moved up at least a quarter after 15 mins of driving in cold (-20C or below) or one of your exhaust is still cold after a 15 min trip then get it checked.