10-18-2021, 10:47 AM | #1 |
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My exhaust is making a popping noise?
I decided to take on a GT4, i was embarrassed, and in the midst of it something gave out. Since then i have been getting a constant popping noise from my exhaust. It happens in park or in idle. The link below is video of what I'm talking about:
https://youtube.com/shorts/6mP9QQ2Vd0g?feature=share
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2016 BMW 435i M-Sport
- JB4 and MHD - xHP - Injen intake - Active Autowerke intercooler - Active Autowerke charge pipe - AWE catback *** I want more!!!*** |
10-18-2021, 12:25 PM | #2 |
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I would set the tune back to stock and see if the pops are still there at idle. Either that or could be a very slight misfire. I dont think something is wrong mechanically within your exhaust per se.
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10-18-2021, 12:36 PM | #3 |
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I have set all tunes back to stock but i am still getting the same results. I can feel the pop inside my car. I've considered injectors but my gas mileage is fine.
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2016 BMW 435i M-Sport
- JB4 and MHD - xHP - Injen intake - Active Autowerke intercooler - Active Autowerke charge pipe - AWE catback *** I want more!!!*** |
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10-18-2021, 01:19 PM | #5 | |
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Quote:
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2016 BMW 435i M-Sport
- JB4 and MHD - xHP - Injen intake - Active Autowerke intercooler - Active Autowerke charge pipe - AWE catback *** I want more!!!*** |
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10-18-2021, 01:25 PM | #6 | |
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Shadow codes are codes the DME has stored but are not active and not enough to produce a CEL or drivetrain malfunction. So you need to actually scan for them to see if they are there. |
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10-18-2021, 01:37 PM | #7 |
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pull your plugs man.. I've seen this before and it's possibly a plug. could be other things too but check the plugs
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10-18-2021, 08:07 PM | #8 |
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Just went through this exact thing and posted about it last week. More than likely an intermediate lever spring has popped off the lever. I don't have an audio clip but that is the same sound I had. I am an auto tech, and found the issue myself after concluding that it was not an ignition or fuel issue. Isolate the issue as fast as possible. I had about 100 miles on mine since I noticed the noise, an the unloaded intermediate lever had already damaged my intake camshaft.
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