Specs: 2.5 block, 2.7 crank, 2.5 rods, custom 85mm Wiseco pistons, 885 2.5i head, stock cam (for now), Supersprint headers and exhaust, Bosch Motronic 1.3, custom chip, custom wiring from Motronic to the E21 fuse box. June, 2014: This BMW M20 engine was offered to me and the deal was too good to pass up. Supposedly it was taken from a parts car with 88k miles. It's from a 1988 325is. I know it's an 88 because it has the later style coolant system with the metal coolant pipe across the front…
