That's Pedal Box AKA Sprint Booster but made by Germans:
https://www.pedalbox.com/en/
Can Pedal Box screw with the fuel mixture? Seems unlikely
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E90 330i Euro Spec, Arktis Metallic, Eibach Pro Kit, Rev Motoring Silicone Intake Hose, Turboworks Headers, PI, Milv's, BPC Tune.