Test pipes and rattling noise

Shrike360 · 03-29-2020, 04:10 PM

Had a shop do a swappable test pipe setup (V-band) on my car over the week. Got it back, and I noticed a sort of rattling noise (or maybe a resonance) once you start it up and move it in gear. Weirdly, after getting onto the road and speeding up, the noise is gone at the next stop.

Any thoughts on what could be causing the noise? I checked the pipes, there were only two things that looked like the could cause a noise. The brackets hanging down that are typically connected to factory pipes, and a small body screw. But there didn't seem to be enough play in the pipes to make contact. And of course, there was no noise when I tried to take a video.

RYDEM3 · 03-29-2020, 04:51 PM

Does the rattle noise happen every time it starts up and move in gear like you say? If it does why not take it back to the shop and have them check it out? Curious which vbands did you go with and what diameter did you use 2.25 or 2.5?

Shrike360 · 03-30-2020, 10:36 AM

It's a 2.5", they used a Vibrant 1490. Am going to drive it a bit more and see if the issue persists.

//steve\\ · 03-30-2020, 02:50 PM

Keeping an eye on this.

I've had this exact same idea from day 1 about how I'd want to do primary cat deletes for my own car.

Redd · 03-30-2020, 07:36 PM

Might be exhaust resonance vibrating the drive shaft heat shield.

GORDON.M3 · 03-30-2020, 11:49 PM

donut gasket undersized. get an aftermarket one. thank me later.

atopa2002 · 03-31-2020, 09:15 AM

Quote:

Originally Posted by GORDON.M3

donut gasket undersized. get an aftermarket one. thank me later.

Link to the aftermarket gasket?
Thanks

Shrike360 · 04-07-2020, 12:07 PM

Quote:

Originally Posted by GORDON.M3

donut gasket undersized. get an aftermarket one. thank me later.

Any suggestions on a gasket?

Took it back to the shop, they didn't note anything that would make the noise. They dropped it and retightened it, now it's only making noise on the passenger side. It actually has been getting better over time, though at one point it did sound like it became open dump. Stopped at a light and it was back to normal after that.

ats*ben · 04-07-2020, 01:16 PM

What test pipes did you end up using?

Adriano917 · 04-07-2020, 04:27 PM

You still running resonators ? I had a similar issue and had them removed and never had the problem again.

Shrike360 · 04-09-2020, 12:57 PM

VRSF test pipes, since the Rogues seem to be constantly out of stock.

Still running resonators, but don't know why they'd be the cause. The sound definitely seems to be coming from near the header connection.

mab543 · 05-13-2020, 07:02 PM

Quote:

Originally Posted by Shrike360

VRSF test pipes, since the Rogues seem to be constantly out of stock.

Still running resonators, but don't know why they'd be the cause. The sound definitely seems to be coming from near the header connection.

Running the same ones, sounded great for a while and now I’m not so sure... sounds like they are loose but all seems tight. Going to get a better look this weekend.

GORDON.M3 · 05-13-2020, 08:06 PM

Quote:

Originally Posted by Shrike360

Any suggestions on a gasket?

Took it back to the shop, they didn't note anything that would make the noise. They dropped it and retightened it, now it's only making noise on the passenger side. It actually has been getting better over time, though at one point it did sound like it became open dump. Stopped at a light and it was back to normal after that.

pm me and I'll send you a part number for a tested gasket that works with most aftermarket x-pipes/testpipes.

Shrike360 · 05-13-2020, 09:07 PM

Ended up picking up some fresh OEM gaskets and put them on last week. The passenger side gasket seemed to be stuck to the flange on the header connection. Seems like it wasn't seating well against the test pipe. Replaced it and the noise has virtually disappeared. It popped up briefly when I started up the car after driving into a gravel parking lot. Haven't heard it again since that time.

ppatel14 · 05-14-2020, 10:23 AM

Subscribed, having a similar issue.

Shrike360 · 06-14-2020, 12:37 AM

Update. Rattling noise is fully back after a month. Will look into the aftermarket gasket

R-35 · 06-14-2020, 11:52 AM

Quote:

Originally Posted by GORDON.M3

pm me and I'll send you a part number for a tested gasket that works with most aftermarket x-pipes/testpipes.

Could you PM me the part number for that gasket. I have an undercarriage rattle I'm pretty sure it's the donut gasket. Thanks.

MikeYQM · 06-15-2020, 09:07 AM

I have a rattle, at about 2k RPM under moderate acceleration, often when the DCT is in a higher gear and lugging a bit. No noise otherwise. Wonder if mine is related?

Eja144 · 07-11-2020, 11:50 AM

Quote:

Originally Posted by MikeYQM

I have a rattle, at about 2k RPM under moderate acceleration, often when the DCT is in a higher gear and lugging a bit. No noise otherwise. Wonder if mine is related?

Sounds exactly like what I had. Ended up being bad donut gaskets. Replaced them once and fixed the noise for about a week, then it returned. Turns out the new driver side gasket shit the bed. Knocking on wood that the new one holds up.

seamax319 · 07-14-2020, 06:34 PM

can we get the part number for the aftermarket gasket.

atopa2002 · 07-15-2020, 02:43 AM

Quote:

Originally Posted by seamax319

can we get the part number for the aftermarket gasket.

https://www.fcpeuro.com/products/bmw...js-11627830668

seamax319 · 07-15-2020, 12:40 PM

Quote:

Originally Posted by atopa2002

https://www.fcpeuro.com/products/bmw...js-11627830668

03-29-2020, 04:10 PM	#1
Shrike360 Lieutenant 474 Rep 481 Posts Drives: 2009 E92 M3, 2011 Porsche CTT Join Date: Mar 2015 Location: PDX, Oregon iTrader: (0)	Test pipes and rattling noise Had a shop do a swappable test pipe setup (V-band) on my car over the week. Got it back, and I noticed a sort of rattling noise (or maybe a resonance) once you start it up and move it in gear. Weirdly, after getting onto the road and speeding up, the noise is gone at the next stop. Any thoughts on what could be causing the noise? I checked the pipes, there were only two things that looked like the could cause a noise. The brackets hanging down that are typically connected to factory pipes, and a small body screw. But there didn't seem to be enough play in the pipes to make contact. And of course, there was no noise when I tried to take a video. Attached Images
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03-29-2020, 04:51 PM	#2
RYDEM3 Private First Class 48 Rep 115 Posts Drives: ///2008 e92 Join Date: Jul 2010 Location: CNJ iTrader: (0)	Does the rattle noise happen every time it starts up and move in gear like you say? If it does why not take it back to the shop and have them check it out? Curious which vbands did you go with and what diameter did you use 2.25 or 2.5?
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03-30-2020, 10:36 AM	#3
Shrike360 Lieutenant 474 Rep 481 Posts Drives: 2009 E92 M3, 2011 Porsche CTT Join Date: Mar 2015 Location: PDX, Oregon iTrader: (0)	It's a 2.5", they used a Vibrant 1490. Am going to drive it a bit more and see if the issue persists.
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03-30-2020, 02:50 PM	#4
//steve\\ Major $//steve\\'s Avatar$ 1074 Rep 1,027 Posts Drives: 2012 E92 M3 Join Date: May 2012 Location: Atlanta, GA iTrader: (2)	Keeping an eye on this. I've had this exact same idea from day 1 about how I'd want to do primary cat deletes for my own car.
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03-30-2020, 07:36 PM	#5
Redd Brigadier General 3891 Rep 4,150 Posts Drives: 2010 BMW E92 M3 Dakar Edition Join Date: Jul 2015 Location: Malaysia iTrader: (0)	Might be exhaust resonance vibrating the drive shaft heat shield.
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03-30-2020, 11:49 PM	#6
GORDON.M3 Colonel 1414 Rep 2,995 Posts Drives: E92 M3 • F25 X3 M-Sport Join Date: Dec 2013 Location: LAX/YYZ/NRT iTrader: (11)	donut gasket undersized. get an aftermarket one. thank me later. __________________ INSTAGRAM: GORDON.M3 North American Mr12Volt Carplay/Android Auto Distributor DINAN \| EVOSPORT \| VAC \| ARP \| RD SPORT \| NEEZ \| EIBACH \| CSF \| IND \| BILSTEIN \| KLASSEN \| BREMBO \| ENDLESS \| BBS \| BPM SPORT \| PROJECT MU \| EVENTURI
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04-07-2020, 01:16 PM	#9
ats*ben Private 8 Rep 62 Posts Drives: E90 M3 Join Date: Feb 2016 Location: SFO iTrader: (1)	What test pipes did you end up using?
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04-07-2020, 04:27 PM	#10
Adriano917 09 M3 e93 VF650, e30 e85, Remus, Federal’s 595rs 205 Rep 329 Posts Drives: BMW M3 Join Date: Jun 2019 Location: El Paso, Tx iTrader: (0)	You still running resonators ? I had a similar issue and had them removed and never had the problem again. __________________ 09 M3 E93 - VF650, AFD e30 e85, Remus Race, Federal’s 595 rs-pro’s.
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04-09-2020, 12:57 PM	#11
Shrike360 Lieutenant 474 Rep 481 Posts Drives: 2009 E92 M3, 2011 Porsche CTT Join Date: Mar 2015 Location: PDX, Oregon iTrader: (0)	VRSF test pipes, since the Rogues seem to be constantly out of stock. Still running resonators, but don't know why they'd be the cause. The sound definitely seems to be coming from near the header connection.
	Appreciate 0 Quote

05-13-2020, 09:07 PM	#14
Shrike360 Lieutenant 474 Rep 481 Posts Drives: 2009 E92 M3, 2011 Porsche CTT Join Date: Mar 2015 Location: PDX, Oregon iTrader: (0)	Ended up picking up some fresh OEM gaskets and put them on last week. The passenger side gasket seemed to be stuck to the flange on the header connection. Seems like it wasn't seating well against the test pipe. Replaced it and the noise has virtually disappeared. It popped up briefly when I started up the car after driving into a gravel parking lot. Haven't heard it again since that time.
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05-14-2020, 10:23 AM	#15
ppatel14 Private First Class 71 Rep 103 Posts Drives: 13' E92 AW ZCP 6MT Join Date: Sep 2015 Location: Atlanta iTrader: (0)	Subscribed, having a similar issue. __________________ 2013 E92 ZCP /// Alpine stage 2 tune, Bomiz Race X-Pipe, ARC-8 wheels, Vorshlag camber plates, Wheel studs, TMS spacers F15mm/R12.5mm, Stoptech SS lines, BW brass caliper guide
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06-14-2020, 12:37 AM	#16
Shrike360 Lieutenant 474 Rep 481 Posts Drives: 2009 E92 M3, 2011 Porsche CTT Join Date: Mar 2015 Location: PDX, Oregon iTrader: (0)	Update. Rattling noise is fully back after a month. Will look into the aftermarket gasket
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06-15-2020, 09:07 AM	#18
MikeYQM Private First Class 80 Rep 143 Posts Drives: 2013 BMW M3 ZCP Join Date: Nov 2019 Location: Moncton NB Canada iTrader: (0)	I have a rattle, at about 2k RPM under moderate acceleration, often when the DCT is in a higher gear and lugging a bit. No noise otherwise. Wonder if mine is related? __________________ 2013 Fire Orange II E92 M3 ZCP Bimmerworld (Quad) Resonated X-Pipe, AFe Stage 2 CF Intake, Carbon Project CF Plenum, Epic Motorsports Race Tune, Rogue Engineering Power Pulleys, Continental Extreme Contact Sport
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07-14-2020, 06:34 PM	#20
seamax319 Private 23 Rep 95 Posts Drives: BMW E93 M3 Join Date: Apr 2020 Location: OR iTrader: (2)	can we get the part number for the aftermarket gasket.
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