Alpina introduces new B5 Biturbo with 600 horsepower

If the BMW M5 is not enough for you, Alpina created the new B5 Biturbo. Where the factory M5 packs 560 horsepower, the B5 has 600. But even more impressive is the B5 Biturbo bests the M5’s 500 pound-feet of torque with 590 of its own.