Gentlemen Drivers ® on Instagram: "• BMW took the durability of the first V8-M5 extremely seriously. 🛞✨ On special test stands, engineers simulated the entire north loop: full throttle, brakes, switchpoints, and the hundredth times in a row. Drivetrain, cooling, suspension and the legendary 6 speed gear gearbox were subjected to permanent torture, which was tougher than real laps. Goal: The M5 should not only survive two fast laps, but endure the relentless trackday fire. The result: The E39 M5