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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > What downpipe is this?



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      11-29-2016, 05:09 PM   #1
john6552
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What downpipe is this?

I was trying to buy a replacement stocker for my 2011 335i and got this. It does not match mine but the guy says 2011 335i is what it came out of. I tried searching but didn't come up with exact pictures or descriptions of what I'm looking for.

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      11-29-2016, 05:15 PM   #2
Rob_BMW_PNW
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That is a stock one, I have the same one off mine
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      11-29-2016, 05:15 PM   #3
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https://www.instagram.com/p/BNAmQolh...y=slowbaru_rob
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      11-29-2016, 05:17 PM   #4
john6552
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The bungs don't line up with my 2011 335i downpipe though. Here was mine when it came off. See how off the bungs are? I wonder what is different?

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      11-29-2016, 05:21 PM   #5
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The right one is what came off? Did you already have an aftermarket DP? Your post makes it sound like you have a stock one (or thought you did) and wanted a replacement stock one. Left one is stock, right is aftermarket with a dump. O2's are on wires, their placement doesn't have to be EXACT.
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      11-29-2016, 05:26 PM   #6
john6552
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Quote:
Originally Posted by bahn View Post
The right one is what came off? Did you already have an aftermarket DP? Your post makes it sound like you have a stock one (or thought you did) and wanted a replacement stock one. Left one is stock, right is aftermarket with a dump. O2's are on wires, their placement doesn't have to be EXACT.
Sorry I should not have included the aftermarket in the second pic, that made it confusing. The stock DP in the second picture came off my car a year ago when I upgraded to aftermarket, and I sold my old stock. I am now trying to buy another stock downpipe that will fit my car. I bought the downpipe in the first picture on ebay but the o2 sensors are in the wrong spot and the shape looks a little different so I am wondering if it is off the wrong year. Are you saying it should still work?
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      11-29-2016, 05:32 PM   #7
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I think I figured it out. Looks like this was off a 335xi. The aftermarket n55 downpipes will all fit a 335xi because there are no brackets but the 335xi stock downpipe will not fit a 335i due to bracket issues. Thanks for the help!
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      11-29-2016, 06:35 PM   #8
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Quote:
Originally Posted by john6552 View Post
I think I figured it out. Looks like this was off a 335xi. The aftermarket n55 downpipes will all fit a 335xi because there are no brackets but the 335xi stock downpipe will not fit a 335i due to bracket issues. Thanks for the help!
It also makes sense that it is smaller and the Xi has secondary cats.
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