TRANSFORMING THE BMW X4 M40i – Valvetronic Designs

The BMW X4 M40i is a sleeper SUV, but its exhaust? Not so much... Until now! We fitted our valved exhaust system to unlock the full potential of the B58 engine, delivering an aggressive sound when you want it and a refined tone when you don’t. Is this the perfect daily driver exhaust setup? Let us know in the comments! Want this exhaust for your X3/X4 M40i? 👇 https://valvetronic.com/products/bmw-... Check out our other products! 👇 https://valvetronic.com/ Would you run this on your X4 M40i? Let us know! 👇 Timestamps: 0:00 Intro 0:50 Cold Start & Revs 3:15 Interior Sound 7:20 Exterior Sound 10:10 Go Pro on Bumper 11:10 Outro