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      04-04-2013, 07:27 PM   #1
jwongie
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135i Midpipes on 128i?

I already know that the n55 midpipes need to be modified to fit the 128i, but do any of the aftermarket midpipes such as maddad or berk bolt up to the 128i? Thanks in advance. . .
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      04-04-2013, 10:38 PM   #2
andrey_gta
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2008 BMW 128i  [10.00]
Quote:
Originally Posted by jwongie View Post
I already know that the n55 midpipes need to be modified to fit the 128i, but do any of the aftermarket midpipes such as maddad or berk bolt up to the 128i? Thanks in advance. . .
None do, all will need a modification at the header/exhaust manifold. New flange welded on, & fitting that flange.
So going from smaller diameter to slightly larger.

Options are I belive as follows:
n55
maddad
Riss racing full set up w/ muffler
Berk mids?
Borla mids?
magnaflow mids?
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128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff


"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is
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      04-04-2013, 11:15 PM   #3
631twentyeighteye
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I've always been curious about this. I'd like to add a resonator to my exhaust setup but don't wanna lose my secondary cat for when i (hopefully) get supersprint headers. I'll probably tinker with it one day. The nice part would be being able to bolt up any 135i axle back, like my active autowerke without any custom work. Which i can do anyway at this point since i had my stock 128 mid cut behind the resonator, with a flange added so it bolts to the axle back.
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