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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Downpipe install



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      01-11-2019, 08:16 PM   #23
BavarianRacingParts
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If your car is RWD it's pretty easy. If it's AWD it's not too bad but not fun either.
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      01-13-2019, 10:42 AM   #24
Groganrocket
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I’m in NC and my county as of December 1 doesn’t do emissions anymore woohoooo
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      01-18-2019, 01:35 PM   #25
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I’m in NC and my county as of December 1 doesn’t do emissions anymore woohoooo
Which county? I've been wanting to make a move to NC.
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RB 2+, Wedge tuned. E85 PI coming soon.
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      01-20-2019, 09:24 PM   #26
Groganrocket
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[QUOTE=b92;24257781]Which county? I've been wanting to make a move to NC.[/QUOTE
https://deq.nc.gov/news/press-releas...ies-december-1
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      01-20-2019, 09:29 PM   #27
Austins
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Austins all OEM designed turbos will rattle even brand new and downpipes will make that more obvious since catalytic converters will muffle the rattle. I have posted videos on here to support this. Regarding not making boost post downpipes installation could be an interference as you said or incidentally disconnected vacuum line. I hope it will be a quick fix.
So it turned out to be the downpipe v clamp bolt was hitting the wastegate arm so it couldnt open, which was causing it to rattle heaps!
The shop fixed it up so it only rattles a fraction of what it did
Still that rattle is annoying hahah
Cheers
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      01-22-2019, 01:42 PM   #28
socool88
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If you’re trying to pass inspections and you’re in a state that allows 1 to not be ready, you can just use MHD, even on map 0 I believe it will still hide the ses light and cat codes. I have dps in my 335 here in ny and have no trouble passing, so long as they don’t look under the car. So go to someone you know.
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