M3 is used to characterize 3 series top model of German car producer BMW. ATT tuner called its new power car Thunderstorm M3. Rastatt tuning specialists put much effort and creativity not only in design but also in great driving performance. At first glance you cannot estimate the scope of retrofitting, but the design is definitely not too stylish. Moreover, ATT has paid attention to powerful performance tuning.

The inbuilt compressor together with engine software optimization greatly increase engine performance. It is provided for by unique exhaust system with optimized dynamic pressure (available in two sound variations) for 1′355.00 Euro with 4×90 exhaust pipes increasing engine power up to 500 hp. The price for engine retrofitting is 11′749.00 Euros, including installation.

In order to correspond to driving performance, ATT gives its an upgrade in chassis. Now, KW coilover suspension Variant 3 (2′029.00 Euro) guarantees better road-holding, even at high speeds.

Huge ATT-TEC LeMans 20” alloy rims increase body overall width. 8,5×20 and 10×20 alloy rims with Michelin „Pilot Sport 2“ 245/30 ZR 20 and 285/25 ZR 20 tyres cost 3′475.00 Euros, mounting & balancing included. The set is completed by 20 mm distance washers (for 393,00 Euros) on the front and rear axle.

Optionally you can order an interior packet for the passenger cabin with either carbon parts or Swarovski crystals.

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 8,5×20” and 10×20” 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.

Furthermore a complete carriage and interior program is already available!