Chiptuning / Softwareoptimierung: Porsche Boxster S 3.4i 315 PS (2011 - 2016 ( 981 ) X4 xDrive 30i Increase the power of your

Increase the power of your BMW 7 series 730D 231 HP (E65 - 2002 - 2008) with a precise chip tuning solution from Stefanel Performance

2 Puretech 110 HP (2015 ->) with a precise chip tuning solution from Stefanel Performance

Original STAGE 1 Performance 165 hp 215 hp +50 hp torque 240 Nm 300 Nm +60 Nm Please note: The performance values ​​indicated are average values ​​and may vary depending on the vehicle

Increase the power of your Mercedes-Benz SLS 6

Chiptuning / Softwareoptimierung: Porsche Boxster S 3.4i 315 PS (2011 - 2016 ( 981 ) X4 xDrive 30i Increase the power of yourIncrease the power of your Porsche Boxster S 3. 4i 315 HP (2011 2016 ( 981 ) with a precise chip tuning solution from Stefanel Performance. Our EVC certified developers ensure that your vehicle's essential engine protection functions remain active, while you can rely on noticeably improved performance. Original STAGE 1 Performance 315 hp 335 hp +20 hp torque 360 Nm 385 Nm +25 Nm Please note: The performance values indicated are average values and may