BMW is certainly a brand that lives up to its slogan, "the ultimate driving machine," and it proves that with the bikes profiled in this title. Fans of high-performance, high-quality motorbikes will fully engage in this tour of models such as the R12 R roadster, the C65 GT city bike, and the S1 RR high-performance racer while learning about precision specifications such as torque, displacement, turn radius, transmission type, and horsepower, details that are essential to only the most demanding riders.