Quote:
Originally Posted by Mikewarlover
Burt honestly i don't respect bms keep bragging about their extra on dyno hp gain. In reality 5hp from a cat back is not gonna go anywhere and no one will feel it. I can't justify a extra 6 or 700 for a cat back and get extra 5hp its just a joke  Superprint powerloop is proven to give 2hp gain on dyno with the europroject magazine and i think powerloop is probably better built than BMS? Even with headers and software the gain is not siginicant enough to justify the extra 3k spent i would rather save up to rebuild engine with a supercharger or simply get a faster car. |
I have spent 2200 (not 6 or 700) on my supersprint setup and think it is money well spent. I don't want to comment on BMS quality since I have not personally seen it but supersprint is top shelf. For the sound alone, money well spent. Anybody looking for big power gains on this car needs to go buy FI or buy a car with FI stock add a tune to it.
I will say that a full exhaust, gears and a tune is a huge improvement over stock...it is not cheap but nothing is for these cars.
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2007 M Coupe w/NAV/Premium/Extended Leather, Clearbra, DICE, 4.10 BMW Motorsport Polished LSD, Active Autowerke Gen IV Headers, Supersprint Race Exhaust and X-Pipe, ESS Tuned DME, KWV3 Coilovers, Volk RE30, OEM Strut Tower Brace, Short Antenna, JL AMP, JL 10W7, Valentine V1.