Everything You Need to Know about the 2015 BMW M4: Interview with Albert Biermann

The new M4 ditches the “3” in BMW’s most iconic car, adds boost, and goes to electric steering. It’s a lot for the M3 fan to take in, in this interview BMW’s V.P. of Engineering, Albert Biermann, talks about how they approached the car, why it’s so good, and why it’s all about steering.