What colour’s your exhaust?
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Category: Technical & Model Specific Forums
Forum Name: BMW ///M Power
Forum Discription: Ask your BMW M Power Technical Questions here (M1, M2 hybrids, M3, M5 & M6)
URL: http://www.bavarian-board.co.uk/forum_posts.asp?TID=17629
Printed Date: 21-May-2024 at 12:15
Topic: What colour’s your exhaust?
Posted By: __Andy__
Subject: What colour’s your exhaust?
Date Posted: 13-May-2005 at 10:38
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My totally standard E36 3.2 always seems to have a lot of soot in the exhaust yet the dyno man reckons the mixture is correct all the way through. I try to drive it hard but my 140 mile commute is done largely on motorways at maybe 90 on cruise. I thrash it a bit at each end. After a track day they looked a bit cleaner (I could see some bits in the back box that were clean, but the pipes themselves were sooty still) I see there's another evo in the car park today which looks non-standard in every way with some sort of aftermarket upswept tailpipes and they are clean as a whistle. Any ideas? Andy |
Replies:
Posted By: David321
Date Posted: 13-May-2005 at 10:51
I've never peered up my exhaust pipe in anger. Will add it to my list of things to do this weekend...  ------------- E36 M3 Evo - Techno Violet Previous & current rides... 
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Posted By: Rags
Date Posted: 13-May-2005 at 11:55
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the outside of mine is sooty? ------------- 
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Posted By: breeze
Date Posted: 13-May-2005 at 12:03
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Mine has always been pretty clean although I do a lot of long distance stuff with very little stop-start. If the car is running right and fuel economy is within acceptable limits I wouldn't worry about it. ------------- E36 M3 Evolution |
Posted By: __Andy__
Date Posted: 13-May-2005 at 13:08
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"If the car is running right and fuel economy is within acceptable limits I wouldn't worry about it." Ahhh the voice of reason. Thanks! But still interesting though. Andy |