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E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm}


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Old Wed, Jan-25-2017, 10:54:04 PM   #1
William0106
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Default thoughts on this mod?

Well, the modding bug was not cured by buying an M3 damn it.. Thinking about buying this: http://machtschnell.com/stainless-st...ss-e9x-m3.html and getting an ecu flash. I am told I should see a 40hp gain after cats removal. Sure it's been done 1000 times so a few "fack yeahs" or "no you fackin idiot" will suffice. But any advice is welcome.
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Old Thu, Jan-26-2017, 01:24:04 PM   #2
pbonsalb
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Default Re: thoughts on this mod?

It's the most bang for the buck in mods for these cars, but you don't gain 40 rwhp. Probably more like 25 rwhp. If you have original software, though, you should pick up a little more because you are down on power from the later software.

If you are harder core, buy a catless resonated x pipe, intake/filter, pulley and tune -- you should get 40 rwhp from those mods. You can find the first 3 used sometimes.
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Discussing thoughts on this mod? in the E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) Forum - {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm} at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)