The M5 rumor mill ... but the system’s total of 717 hp and 738 pounds-feet of torque are gobsmacking just the same. Continually adjustable flaps in the sport exhaust system control the engine ...

You just missed your chance to buy an F10 BMW M5 for really cheap ... are the black kidney grilles and a cat-back exhaust system from Eisenmann that makes this car even throatier.

Though the complication of modern electronics means it can’t quite match the 231mph peak speed of G-Power’s twin-supercharged E60 M5, we can’t imagine it’ll disappoint. The exhaust system ...

BMW is preparing a massive ... although judging by the appearance of an exhaust underneath the bumper, we can tell this is not the all-electric i5. It's also not the M5, which we've seen earlier ...