340i / 440i (B58) BMW M Performance Power and Sound Kit (MPPSK) Official Release - BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST
![BMW ///M-Performance power and sound kit - gain up to +15HP and +50NM - original BMW - 11122444214, 11 12 2 444 214, 2444214, 11-12-2-444-214 BMW ///M-Performance power and sound kit - gain up to +15HP and +50NM - original BMW - 11122444214, 11 12 2 444 214, 2444214, 11-12-2-444-214](https://static.schmiedmann.dk/ProductPictures/image_326313_big.jpg)
BMW ///M-Performance power and sound kit - gain up to +15HP and +50NM - original BMW - 11122444214, 11 12 2 444 214, 2444214, 11-12-2-444-214
![BMW ///M-Performance power and sound kit - gain up to +15HP and +50NM - original BMW - 11122444214, 11 12 2 444 214, 2444214, 11-12-2-444-214 BMW ///M-Performance power and sound kit - gain up to +15HP and +50NM - original BMW - 11122444214, 11 12 2 444 214, 2444214, 11-12-2-444-214](https://static.schmiedmann.dk/ProductPictures/image_326314_big.jpg)
BMW ///M-Performance power and sound kit - gain up to +15HP and +50NM - original BMW - 11122444214, 11 12 2 444 214, 2444214, 11-12-2-444-214
![BMW ///M-Performance power and sound kit - gain up to +15HP and +50NM - original BMW - 11122444214, 11 12 2 444 214, 2444214, 11-12-2-444-214 BMW ///M-Performance power and sound kit - gain up to +15HP and +50NM - original BMW - 11122444214, 11 12 2 444 214, 2444214, 11-12-2-444-214](https://static.schmiedmann.dk/ProductPictures/image_326318_big.jpg)