BMW Serie 1 (E81, E82, E87, E88) 2003 - 2013 135i 306 ch

Discover how Tuningbox systems can transform the performance of your BMW Serie 1 and optimize fuel consumption. Our Tuningboxes increase engine responsiveness and reduce fuel consumption through more efficient combustion. Easy to install, they improve power by 22% and torque by 19%, offering sharper acceleration and a more dynamic drive for your 135i. Fully reversible and with no need for mechanical skills, Tuningbox boxes are made with high-quality components and rigorously tested to ensure durability and reliability. Choose Tuningbox for a more enjoyable and economical driving experience.