This 1989 BMW E30 race car is for sale in Poland for 129,900 zł or about $34,178. It was built by Olek Robak from Robak Motorsport to race competitively for the past two years. The engine is a 2.0 L B47 diesel inline-four that makes 320 horsepower and 570 Nm (420 lb-ft) however Olek says it could be increased to 350 hp and 600 Nm (442 lb-ft). The car weighs 1030 kg (2,270 lb) thanks to polycarbonate windows and fiberglass doors, fenders, bumpers, dashboard, and trunk lid. Behind the AC Schnitzer 8.5×17 wheels are BMW E46 brakes in front and BMW E36 M3 brakes in rear. Olek set a 1.42.39 on the Poznań Circuit in the E30.
Source: Allegro.pl and Robak Motorsport FB page via Piotr