This 1988 BMW M5 is powered by a 3.5L S38 inline-six equipped with a period Dinan turbo kit, which included uprated fuel pumps, a modified airflow meter and a stronger clutch in addition to the turbocharger, boost pipes and assorted hardware. The Dinan modifications increased horsepower from the original 252 to over 400 in period, and the company is said to have sold approximately a dozen kits, so, this car is rare. Refinished the 17″ Style 5 wheels, and fitted new tires as well as detailing the paint, interior, and engine bay.