Tag Archives: ATT Thunderstorm BMW M3

ATT Thunderstorm BMW M3 gets 500-hp and Swarovski crystals

Autotechnik + Tuning (ATT) has introduced a new tuning package for the BMW M3. Known as the Thunderstorm M3, the model receives an inbuilt compressor with engine software optimization that greatly increases engine performance. Power is upgraded to 500-hp, which should definitely give you a significant boost when you step on the accelerator. No performance […]

Continue Reading