making them a direct fit for the BMW M54B30 engine

making them an essential addition to your performance upgrade

Precision Fit for BMW S54 Engines: Ideal for E46 M3 and Z4M models

- BMW F83 M4 S55 3

It produces 540hp and 350lb-ft of torque at 8-9psi of boost

BMW M50 M52 S50 S52 Stewart High Performance Water Pump 65472S making them a direct fitThe Stewart High Performance Water Pump is a direct replacement pump designed to fit BMW M50 M52 S50 S52 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