Our aluminum radiator is a direct fit for the 1988 and up E30 325i. These are all aluminum - No Plastic! The core is about 20% thicker than stock for better cooling.
Fitment Notes: These radiators are not intended for use on E30's with automatic transmissions (they do note have a built-in trans cooler. These radiators do not fit early 325's, 325e's, M3's, or euro 325i's with the 440mm radiator.