• Jul 5, 2009
2010 Audi S4 - Click above for a high-res image gallery

The tuners at MTM have begun tweaking the all-new 2010 Audi S4 (B8) in Europe, and as expected, Audi's new supercharged 333-hp 3.0-liter V6 is rife with potential. With only a revised ECU – no underdrive pulley, intake or exhaust mods – MTM was able to coax 430 crank horsepower out of the blown six – 97 hp more than stock.

The kit, which retails for 2,491 euros (around $3,500 USD), brings torque output up to 380 lb-ft and, according to MTM, drops the 0-60 mph time from 5.2 to 4.6 seconds. Clearly, good things are on the way for the BMW 335i fighter, and we expect more to follow when the new darling of the Euro-tuning scene arrives in the States later this year.



[Source: MTM]


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  • 30 Comments
      • 5 Years Ago
      $3500 for a tune and a pulley? Really?
        • 5 Years Ago
        Mike - my thoughts exactly. Who cares, I'm sure APR will manage similar numbers for $600. MTM's always been uber pricey, they have a lot less competition than american tuners have.
        • 5 Years Ago
        That's actually w/o the pulley(s) it's just a new ECU. That makes it seem even more overpriced, but I'm assuming that MTM is to Audi what Dinan is to BMW, or Roush/Saleen to a Mustang.
        • 5 Years Ago
        thats NOT expansive!
        Serious ECU upgrade STREETLEGAL in Germany for under 1000Euro is not avaible! The company offering ECU upgrades in Germany have to do a lot of government observed emission tests befor they get a certification that they can offer it legal ... after the upgrade the car still runs under the same rules and has to reach the same emissions than it reached in stock form... that makes ECU upgrades expansive specially for low volume models like a S4... sure there a black sheeps offering cheap ECU´s in Germany but you never get such upgrades registered in your car papers to make them street legal. After a accident, can insurrance experts investigate your car and if they find a not legal cheap ECU you loose your insurrance and you have to pay everything from your own money... better spend some extra bucks and be on the safe side
        • 5 Years Ago
        Once other shops start coming out im sure the price will fall, but it seems the more high end the car the more you pay per hp, Its easy to take money from "rich" people.
      • 5 Years Ago
      How do they make so much power? This motor is supercharged, not turbocharged. It is impossible to crank up the boost by just doing ECU tuning. There is no way they made that amount of power without a smaller supercharger pulley. Anyway, at this level, that supercharger is going to be maxed out, that car will not make any more power. Something has to be lost in translation here, there is no way on earth a supercharger can make like 80+ more hp just by changing fuel and timing curves.

      I would take the 335 over this POS any day of the week.

      Plus, $3500 for an ECU tune is ridiculous, it's no different than a typical $500 dollar APR ECU Reflash, and even that is overpriced for 15 minutes worth of work.
      • 5 Years Ago
      How well will the transmission cope with the increased power?
      • 5 Years Ago
      Nice.. but I'll take all these numbers with a grain of salt until I see some REAL tests!

      This puts the Audi clearly in the HP advantage.. but also clearly in a torque disadvantage.

      Dinan Stage II - 384 hp / 420 torque.
      MTM - 430 hp / 380 torque.

      So numbers are basically reversed. Think it will be a drivers race unless the drivetrain loss is less in the 335 and helps it pull away.

      Either way I'm glad we have these options. I just hope audi keeps their pricing competitive. You can get a VERY nicely optioned 335 for under $46,000. I don't think I'll be able to say the same about Audi. I think their 3.2 engine starts at like $43k (not positive though).
      • 5 Years Ago
      So, not suspension upgrade? Add some suspension bits at that price and I will take a wagon for a nice sleeper.
        • 5 Years Ago
        Well the RS4(or something better) springs and suspension bits on this wont hurt would it?
        • 5 Years Ago
        The S4 already is pretty aggressively springed.
      • 5 Years Ago
      That's awesome
      • 5 Years Ago
      Wow, they got that kit out fast. I take it that supercharger has alot of power just waiting to come out. 3500 isn't bad for another 100HP.
      • 5 Years Ago
      The S4 should be closer in price to the 335 when it hits the US
        • 5 Years Ago
        Currently, Audi plans to bring the S4 out at about 1200 LESS than the 335i- which means it will close to $3000 LESS than the 335xi.

        Considering its larger, gets better fuel mileage, has no turbo lag and comes from the factory with 33 more hp.... I think this is a clear winner.
        • 5 Years Ago
        The s4 will be bang on in the range of the 335 when it is released. I know for a fact that the s4 will have a sticker of about 52k here in Canada when it is released, almost 20k less than the 2009 s4. If i'm not mistaken, a 335 is about 50k, although it needs options to bring it up to the entry level s4.

        Can't wait to see what this car will be like. Finally Audi has fixed their pricing, hopefully the car will deliver. Should be a nice car to track, and a wicked platform from which to improve with slight aftermarket mods.
        • 5 Years Ago
        I thought because of the small setup the 335i had little to minimal turbo setup. Also, don't forget the S4 has awd standard and its more dallied in sport(?).
      • 5 Years Ago
      Mind you MTM's price in Euros does not reflect the pricing in the US, it tends to be less than the number you would get from a direct conversion.
      Also, MTM's pricing for ECU tunes is usually higher than other tuners which make similar power. Give it a few more months(this car isnt even available in the US yet) and other tuners will start releasing their own tunes which will likely be
        • 5 Years Ago
        that s4 is wayyy better than the bmw
      • 5 Years Ago
      thats awsome. this thing'll make 550hp maybe even 600 with an aggressive tune, intake, full exhaust, intercooler, cams, and supporting mods.
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