9000RPM S65 V8 BMW M3 E90 Hillclimb Build sounds AMAZING | feat. Onboard FLAT-OUT on Slalom Course! Acceleration & Sound Drag & Track by turboandstance - June 7, 2025 In today’s video we feature this gorgeous MB Motorsport’s widebody BMW M3 E90 hillclimb build in action at Slalom Ambrì 2025 in Switzerland. This beast is powered by a modified S65 4.0 liter naturally aspirated V8 engine that can revs up to 9000rpm! Watch the video below to see the footages and follow us also on Facebook, Pinterest or Instagram! Leave a comment