The BMW Alpina B7 Turbo/1 was the fastest four-door saloon car in the world from 1984 to 1987, largely thanks to its heavily modified engine and its KKK turbocharger, pushing horsepower to over 320 bhp and delivering a hefty 383 ft lbs of torque.

What is Alpina?

At the start of the 1960s Alpina was known as a manufacturer of typewriters, but by the end of the decade the company would be known for their runaway motorsport success, including winning the European Touring Car Championship, the Spa 24 Hour, the German Hillclimb Championship, and a slew of race track and rally wins.

Alpina’s foray into the world of performance car tuning began with a Weber dual carburettor conversion for the BMW 1500. The motoring media loved the kit and the way it transformed the car, BMW sales boss Paul G. Hahnemann was such a huge fan he gave the kit

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