9000RPM BMW M1 Procar *unrestricted exhaust* Straight-6 M88/1 engine Symphony | feat OnBoard Footage Acceleration & Sound Drag & Track by turboandstance - April 26, 2024 This is just awesome! Just crank up the volume of your device and enjoy the iconic sound of the BMW M1 Procar, powered by BMW Motorsport’s M88/1 3.5 liter straight-six naturally aspirated engine! 0:00 Intro/warm-up 1:00 leaving pit-lane 1:23 track action 2:56 onboard footage 6:02 more external footage Leave a comment