01-09-2020, 12:14 PM | #1 |
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Smoke coming out of left pipe only
Hi all, it seems that there’s only smoke coming out of the left side of the car. Nothing from the right. I checked to see if anything is blocking it there isn’t. Any idea for a fix? Thank you.
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01-09-2020, 02:25 PM | #5 |
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It is closed in comfort mode. If you put it in sport it will eventually open up once it is warmed up. At least on the F30. Maybe it just needs to be warmed up in comfort for it to open on G20. Its to allow the cats to come up to temp more quickly to meet emissions regs. It will also sound louder and more aggressive.
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01-10-2020, 02:19 AM | #6 |
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Thank you all for the responses. I tested it out and put it in sport plus and smoke came out from both. But in eco or comfort only the left side. I thought it had something to do with my downpipes. So I’m guessing it’s normal due to the replies. I’m curious as to know if you guys with a g20 experience the same thing?
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01-10-2020, 02:22 AM | #9 | |
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01-10-2020, 03:56 AM | #10 |
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Drives: BMW G20 330i RWD M Sport
Join Date: May 2019
Location: Scotland, UK
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You can open the valve permanently with a small mod.
See this thread. https://g20.bimmerpost.com/forums/sh...=Exhaust+valve
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01-10-2020, 07:31 AM | #11 | ||
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01-10-2020, 07:35 AM | #12 | |
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