The Automotive Differential Explained
You might see a differential listed among a vehicles specs. If you're unsure about this components purpose, were happy to explain at Patrick BMW.
Turning a car requires the outside wheels and inside wheels to travel at different speeds. Also, the outside wheels will travel farther during the turn. If a car's designer does not allow for those facts, the car will lose valuable traction. Fortunately, the differential is a standard component on every two-wheel-drive vehicle.
Suppose you rode around Schaumburg on an ancient chariot.