ATT-TEC BMW M3 cabrio

Tuner company ATT-TEC has crafted a powerful and mean-looking package for the BMW M3 Convertible.

Starting from the outside and the vinyl wrap job, the company incorporated the “steam hammer” matte black finish for the majority of the exterior panels, accented by carbon fiber wrap accents on the hood, mirrors and rear diffuser.


Performance mods come from G-Power’s compressor kit. The G-Power’s supercharger kit ads more 100 HP to 520 HP (382 kW / 512 bhp). A sport exhaust system with 2 x 90 mm diameter tips aids engine breathing.

The look is completed with a set of one-piece forged 8.5 x 20 ADV.1 rims in 5.1 design at the front and 11x20s on the rear plus Vredestein Ultrac Sessanta tires sized 245/30R-20 and 295/20R-20 front to rear. Further improvements include a KW Inox Line III Variant coilover system in the suspension.


Added all together and the complete tuning package from ATT-TEC comes to $35,000.

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