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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 > F'd up sound coming from my car.......WG?



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      02-21-2011, 12:48 AM   #1
cstmx_ryder
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F'd up sound coming from my car.......WG?

I don't know if my WG rattle is getting worse by the minute or what, but it started to f up my exhaust note as well.......

Here's the video.......



Tell me what you guys think, please......
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      02-21-2011, 02:01 AM   #2
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Sounds more like an exhaust leak to me.
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      02-21-2011, 02:38 AM   #3
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That sound just like when my exhaust gasket blew. Sounds like old diesel at idle, my friends thought that sounds bad ass but i came home pissed and ordered ar bomb proof gasket. All fixed once i replaced gaskets.
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      02-21-2011, 09:04 AM   #4
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LOL, no kidding.....If I wanted a diesel, I would have bought one, hahahah.

Anyway, I'll try to replace my gaskets and see if that helps.......

Is there anything else that might cause that sound? I just hope it's nothing serious.......

Quote:
Originally Posted by creaminz View Post
That sound just like when my exhaust gasket blew. Sounds like old diesel at idle, my friends thought that sounds bad ass but i came home pissed and ordered ar bomb proof gasket. All fixed once i replaced gaskets.
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      02-21-2011, 09:31 AM   #5
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      02-21-2011, 10:33 AM   #6
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Thanks guys!

Fuck!! I just had the gaskets from the DPs replaced a week ago......So maybe it's leaking in other connections of the exhaust? But I believe they also have new gaskets that came with the exhaust.............
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      02-21-2011, 10:34 AM   #7
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UPDATE!!

So here's another video of me accelerating and decelerating:



Still an exhaust leak?

TIA
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      02-21-2011, 11:44 AM   #8
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Quote:
Originally Posted by cstmx_ryder View Post
So here's another video of me accelerating and decelerating:



Still an exhaust leak?

TIA
I would say with 95% certainty that its the exhaust leaking. I cant think of anything else that would be. Ive had wastegate rattle, and its definitely not that. Also sounds nothing like turbo failure. creaminz has the right idea. Some AR gaskets and a little elbow grease will set things right
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      02-21-2011, 12:14 PM   #9
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Ok....that'll be fixed later...

Thanks!

Quote:
Originally Posted by teek View Post
Quote:
Originally Posted by cstmx_ryder View Post
So here's another video of me accelerating and decelerating:



Still an exhaust leak?

TIA
I would say with 95% certainty that its the exhaust leaking. I cant think of anything else that would be. Ive had wastegate rattle, and its definitely not that. Also sounds nothing like turbo failure. creaminz has the right idea. Some AR gaskets and a little elbow grease will set things right
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      02-21-2011, 02:27 PM   #10
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Quote:
Originally Posted by cstmx_ryder View Post
So here's another video of me accelerating and decelerating:



Still an exhaust leak?

TIA
Yup thats 99% blown gasket.
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      02-21-2011, 09:51 PM   #11
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UPDATE!!

So everyone including me was convinced that the rattling/puttering sound was a blown gasket.........

Until we got the car on the lift and we saw THIS..........

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      02-21-2011, 09:57 PM   #12
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      02-21-2011, 09:59 PM   #13
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is that where the o2 sensor goes the car must have been running like crap
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      02-21-2011, 10:01 PM   #14
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no, that's where the wide-band sensor go if I had one, I think. O2 goes into the othr holes. Otherwise, there SHOULD be a bolt there plugging the hole......Which in my case, the bolt fell out and the other bolt on the other DP was loose.......Good thing we checked both.
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      02-21-2011, 10:04 PM   #15
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      02-21-2011, 10:05 PM   #16
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well in the end it was an exhaust leak just not from the gaskets not anything too bad
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      02-21-2011, 10:06 PM   #17
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ya, glad it was nothing serious.........whew
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      02-22-2011, 10:13 AM   #18
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free flow exhaust !!!
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