This 1989 BMW M3 is powered by a 2.3-liter S14 inline-four paired with a five-speed manual transmission and a limited-slip differential, and it is finished in Zinnoberrot over black Bison leather. The car has been modified with H&R springs, Bilstein shocks, Ireland Engineering anti-roll bars, a strut-tower brace, a Turner Motorsport ECU chip, a Borla muffler, and a Sparco steering wheel. Other features include 15″ basketweave wheels, a sunroof, a rear spoiler, fog lights, front sport seats, a…