For comparison against BMW’s own offerings, the limited-run M4 CSL produces 543 horsepower and 479 pound-feet, and the 3.0 CSL has 553 horsepower. G-Power’s performance software upgrade ...

But can the recently-facelifted G82-generation BMW M4 Competition count itself among these icons or is it merely another chapter in a story that’s already been written? Review: BMW M5 Touring ...