On October 31st, Onyx Concept will unveil their BMW M3 tuning kit. We’ve got a few details and images to share with you but we must warn you: it will divide opinions!
Okay, so the good news is that Onyx have given this car a healthy power increase. Through fettling with the 4.0 liter V8 they’ve added around 201 bhp taking the peak output to 621 bhp. There’s no word yet on how these power increases have been managed, we suspect it’s a little more than a new ECU and exhaust system.
Read more & see 3 more high-res pictures!