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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 > UPDATED: My exhaust



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      08-17-2008, 09:13 PM   #1
e90AW335i
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UPDATED: My exhaust

As some of you might know my exhaust didn't turn out quite right the first time. The alignment was a little off and one of the mufflers hung a little low. This Saturday I went up the exhaust shop and had some adjustments done to it. The one muffler is still a little lower than the other one but I am fine with it. Here are some before and after pics....


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      08-17-2008, 09:15 PM   #2
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Looks 100 percent better!!! Great job!
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      08-17-2008, 09:19 PM   #3
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Originally Posted by LYLE LUKAS View Post
Looks 100 percent better!!! Great job!
Thanks Kyle, I really appreciate that man. It took the guy literally 10 min to adjust it.

One problem now, sometimes the muffler rattles against the bottom of the car at stoplights. It doesn't do this all the time but I will probably go get that problem fixed next....

At least it looks better....
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      08-17-2008, 09:25 PM   #4
ulises 335i
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I think I know where the rattle problem might be . You know where there is a square metal plate under your car , right where the exhaust pipes are , have that looked at . My car had the same rattel and it turned out my exhaust was slightly touching that metal plate. All the exhaust place needs to do is raise your pipes alittle higher.
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      08-17-2008, 09:29 PM   #5
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Quote:
Originally Posted by ulises 335i View Post
I think I know where the rattle problem might be . You know where there is a square metal plate under your car , right where the exhaust pipes are , have that looked at . My car had the same rattel and it turned out my exhaust was slightly touching that metal plate. All the exhaust place needs to do is raise your pipes alittle higher.
It is definitely that. It only rattles when at a stop light as well so it must be barely touching and only a certain frequency makes it rattle...
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      08-17-2008, 09:30 PM   #6
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Yeah, its most likely that metal plate in the middle of the car..mine rattles every once in a while on startup after I did the sec. cat delete..
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      08-17-2008, 09:31 PM   #7
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Quote:
Originally Posted by jcarlucci1 View Post
Yeah, its most likely that metal plate in the middle of the car..mine rattles every once in a while on startup after I did the sec. cat delete..
I will check that out when I get home tomorrow from work. On a side note I will be re-dynoing soon to see if I lost power from this or not....
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      08-17-2008, 10:25 PM   #8
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Huge improvement over the B4 pictures.
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      08-17-2008, 10:26 PM   #9
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Huge improvement over the B4 pictures.
Thanks Bubbles. I am going to be doing another dyno just for you.....
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      08-17-2008, 10:46 PM   #10
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Quote:
Originally Posted by e90AW335i View Post
It is definitely that. It only rattles when at a stop light as well so it must be barely touching and only a certain frequency makes it rattle...

Mine ratteled at stop tilghts but only when the a/c was on.
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      08-17-2008, 10:57 PM   #11
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Bend the heat shield under the car where the exhaust pipes run, especially where the bends occur in the pipes and no more rattle.
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      08-17-2008, 11:02 PM   #12
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huge difference.
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      08-18-2008, 08:02 AM   #13
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huge difference.
Thanks!
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      08-18-2008, 08:43 AM   #14
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