An ideal upgrade to the stock OEM radiator, the Mishimoto BMW E30 1987-1991 M3 aluminum radiator will give your vehicle a cooler, more efficient running engine.Most people overlook the importance of installing an upgraded radiator in their engine, not only will it produce 30-percent greater cooling capacity, but it will also boost engine functions and prevent your car from overheating.All Mishimoto performance radiators are made with durable aircraft quality aluminum, feature a dual core, and polished end tanks.By replacing your stock BMW radiator you will notice a cooler, more efficient running engine.Mishimoto can solve your cooling problems with our durable, efficient aluminum radiator.