Stewart High Performance Water Pump, BMW M50/M52/S50/S52/M54

The Stewart High Performance Water Pump is a direct replacement pump designed to fit a BMW M50 / M52 / M54 / S50 / S52 engines with no modifications. That includes accepting the Factory Fan Clutch. The front of the Stewart High Performance Water Pump is stock appearing, giving it that classic BMW look, while the back is all business.

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
• Racing or Stock Factory Replacement applications
• Stainless steel impeller
• Heavy duty bearing
• High quality water seal

Fits all M50/52/54 and S50/52 6 cylinder engines including:

1990 - 96     E34     520i
1990 - 96     E34     525i

1992 - 99     E36     320i
1992 - 99     E36     323i
1992 - 99     E36     325i
1992 - 99     E36     328i
1992 - 99     E36     M3

1997 - 02     Z3      2.8
1997 - 02     Z3      3.0

1999 - 02     E39     525i
1999 - 02     E39     528i

1999 - 05     E46     320i
1999 - 05     E46     323i
1999 - 05     E46     325i
1999 - 05     E46     328i
1999 - 05     E46     330i

1999 - 02     X5 SAV     6 cylinder Models

STE30330 Replaces BMW OEM Part #s:
11517503884 
11517504040
11511433828
11511433712
11511744243
11511740241
11511730414
11511722536
11517527799