For sale is an outstanding, enthusiast-owned BMW 340i M Sport featuring the highly sought-after BMW M Performance Power and Sound Kit. Upgraded to a dyno-backed 360 bhp and 500 Nm of torque, this legendary B58 engine delivers serious performance while maintaining complete daily usability and reliability. The switchable M Performance valved exhaust transforms the car's character remaining refined and quiet in Comfort mode for cruising, but opening up in Sport and Sport+ modes for a deep, aggressive engine soundtrack with pops and crackles. Finished in Alpine White over a Black Dakota leather interior in great condition, this car has been well looked after with mostly motorway mileage.