ATT Autotechnik Doppelturbo-Cabriolet - click above for high-res image gallery

This is the problem: According to ATT Autotechnik -- the M3 Convertible is so good, why bother with any other 3 Series convertibles? And they have a point... until now! Meet ATT's new Doppleturbo-Cabriolet. What they've done is to take a regular BMW 335i convertible and make it quicker. How much quicker?

The regular 335i is rated at 300 horsepower and 300 pound-feet of torque (though, of course, those numbers are underrated a bit). The Doppleturbo on the other hand makes 356 hp and 388 lb-ft of torque. A little less power than the M3 (414 hp) but nearly 25% more torque (the M3 makes just 300 lb-ft). You also get a stainless steel exhaust and big, good looking 20-inch, 20-spoke wheels (though some more brakes would be nice, at least visually speaking). But is it any good?

Well, in the past we've seen BMW tuners do the whole less-horses-more-torques thing with good results. Anybody remember Alpina's take on the Z8? Essentially, rather than use the E39's high-strung 5.0-liter V8, Alpina bored out a 4.4-liter BMW V8 to 4.8-liters. The results were 375 hp (vs. 394 hp) and 383 lb-ft of twist (vs. 368 lb-ft) and according to all lucky enough to drive the car, a much preferable grand tourer to the "stock" car. Could ATT Autotechnik have worked the same magic with the Doppelturbo? Maybe. Awkwardly translated press release after the jump.



[Source: att-tec.com]


PRESS RELEASE:

Doppelturbo-Cabriolet - by ATT Autotechnik

Let's face it, in the history of BMW there has been no better BMW 3 series convertible, besides the M3. If you like to drive fast and topless, here you are seated just right. The dual turbo six-cylinder car from ATT out of Rastatt convinces primarily through its increased engine power to spectacular 362 hp and 536 Nm.

The tuner offers two power enhancements. At power level I (2.355,00 Euro) the 335i achieves 345 hp and 481 Nm by the use of an additional controller. At power level II (4.130,00 Euro) the bi turbo achieves entire 362 hp and 526 Nm - therefore accountable is not just the additional controller but also the stainless steel sport exhaust system, which adds to the ideal output effect.

Big ATT TEC LeMans 20"wheels emphazise the futuristic appearance of the ambitious athlete. The aluminum rims in the dimension 8,5x20" and 10x20" with high performance tires from Michelin "Pilot Sport 2" size 245/30 ZR20 and 285/25 ZR20 are worth 3.475,00 Euro, mounting and balancing included.

New in the range are the design fender in M3-optics. For 1.843,00 Euro you can get these from ATT already with original M3-louver, boxes, mounting accessories and LED blinker. For additional 597,00 Euro the fender can be ordered in Rastatt in car body color.


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