Chiptuning

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Akrapovic Sound Kit BMW F97 X3M and F98 X4M The Akrapovič Sound Kit for the BMW F97 X3M and F98 X4M lets you control the sound of the system from the cockpit with the remote button . Using Akrapovič technology, drivers can easily switch between the quiet mode and a sportier sound. With the use of a receiver to drive the actuators that open or close the valves at the end of the exhaust system, drivers can use the Sound Remote Controller or the smartphone app for Apple and Android to regulate the valves. *Picture is symbolic. Show more