12-03-2019, 06:20 AM | #1 |
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Anyone got a supersprint exhaust?
I see lots of videos with e46 m3 with the race exhaust but I’m looking for someone with a 4 cylinder with it. If not I would be interested in hearing how much louder it is over stock. Quality? Etc.
Not many options for my car atm but they make a system but I am hesitant importing it and paying 900 bucks if it’s going to drive me crazy. |
12-05-2019, 08:54 AM | #2 | |
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12-28-2019, 11:17 AM | #3 | |
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But look this videos, I think it's the same as X2 supersprint exhaust |
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12-29-2019, 10:50 AM | #5 |
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The M35i doesn't really have a downpipe. The catalytic converter is small and bolts directly to the manifold. From there, it's just tubing going back.
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12-29-2019, 06:17 PM | #6 |
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12-29-2019, 11:01 PM | #7 |
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I think the tuners are scratching their heads about that right now. It's a fairly highly tuned, and tightly packaged platform from the factory. BMW didn't leave much margin and space for them to work with, perhaps! With the platform growing, we shall see what appears.
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01-03-2020, 03:42 AM | #8 | |
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01-13-2020, 10:56 AM | #9 |
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Just saw an old thread brought up in the X1 forums for the ER catless 4" downpipe. So you're saying that the m35i does not have the same fitment as the X1/X2? I haven't really gone into realoem or otherwise to look. I'm not going to modify myself yet, but since this thread was about a supersprint exhaust I thought I'd bring this up here..
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01-13-2020, 01:16 PM | #10 |
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I'm not sure if the parts will interchange, the numbers are different but the drawings are certainly similar.
F39: https://www.realoem.com/bmw/enUS/sho...diagId=18_1314 F48: https://www.realoem.com/bmw/enUS/sho...diagId=18_1169 To me, this isn't a "downpipe" because of the integral configuration of the cat. I guess it's easiest to just call it that, but the part in that thread is "catless", meaning it's a hunk of pipe. I predict you'll have a heck of a time keeping the check-engine light off, and therefore making it really difficult to maintain and even get it inspected. If you learn otherwise, I'm all ears! |
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02-19-2020, 11:34 PM | #12 |
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My 335i didn't have a downpipe either, until I removed the cat and put one in. I don't see how this is different. Why would the cat/downpipe bolting up to the manifold make things so different? The downpipe would just be swapped in as-if you were replacing the cat.
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