After customizing the 2009 BMW 335i tuner ATT Autotechnik is now offering a power boost program for the 2009 BMW M3 called the Thunderstorm M3.
The ATT Thunderstorm BMW M3 has undergone engine retrofitting and the inbuilt compressor, the redesigned ECU together with the new exhaust system featuring optimized dynamic pressure enable the German sports car to develop 500 horsepower.
In order to safely harness the power increase the ATT Thunderstorm BMW M3 has also received an KW coilover suspension Variant 3.
At the exterior a set of 20 inch ATT-TEC LeMans alloys wrapped in Michelin „Pilot Sport 2“ tyres give the ATT Thunderstorm BMW M3 its uniqueness, while for the interior the tuner can customize the cabin with either carbon parts or Swarovski crystals.
Pricing regarding each modification available in the official press release below.
ATT Autotechnik press release:
ATT · Autotechnik + Tuning – Thunderstorm M3 – up to 500 hp with the compressor
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 it 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.
