BMW e30 M3 For Sale with S50 Conversion

What makes the E30 M3 unique?
The E30 M3 is the BMW Motorsport-developed version of the E30 3 Series. Its S14 four-cylinder powerplant is a further development of the M10 unit and was chosen because of its compact dimensions. The chassis is based on the basic E30 3 Series design but has been thoroughly reworked by BMW Motorsport in every significant area. The reshaped body shares few panels with