preventing head lift under high cylinder pressures without requiring 11mm stud conversion or block modifications

This allows the tank to breath to avoid pressurization during normal operation

throttle response

Turbine housing options:

Mishimoto Performance Aluminum Radiator, BMW E30 M3 1301806 preventing head lift under highAn 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