For your Bmw Serie 4 440i 326 hp, Tuning Box offers the Tuning Box Evolution high-end chiptuning unit, the Tune Pedal – throttle response controller and the Tuning Box Fusion, the best performance upgrade kit ever.

Thanks to our Tuning Box Evolution 5078 powerchip , your Bmw Serie 4 will have more power (+65 hp) and more dynamism (+86 Nm). Your petrol 440i 326 hp engine will have a total power of 391 hp* and a torque of 536 Nm*. Moreover, your fuel consumption will decrease by around -1L./100km*.
Tuning Box offers a 2-year engine warranty with this ECU tuning box.

Your engine with our Tune Pedal P13702 responds more spontaneously and more directly. This pedal box optimizes your engine response time by eliminating the latency . The result is that the power of your engine is released faster. This way your acceleration is much more direct.