- Both "Hot Side" Charge Pipes

5150 AutoSport Head Gasket & Head Stud Kit for BMW S14

BMW G15 M850i

Engine block and head surfaces must be clean and properly prepared for the rings to seat correctly

Stewart High Performance Water Pump, BMW M52TU / M54 Yaris - Both "Hot Side" ChargeThe Stewart High Performance Water Pump is a direct replacement pump designed to fit BMW M52TU M54 engines with no modifications necessary. That includes accepting the Factory Fan Clutch. The front of the Stewart High Performance Water Pump is stock appearing, but is twice as efficient than OEM water pumps. Features Include: Up to 20% increase of water flow over stock pump Twice as efficient as factory pump Much less parasitic drag than other pumps