Check the listing for details. High Performance Water Pump EMP STEWART for BMW E36 E46 E39 X5 Z3 M50/52/54. Condition: New. Listed at 199.00 USD. DESCRIPTION When it comes to cooling, Stewart is the final word in high performance pumps. The ultimate in BMW cooling with a limited lifetime warranty!This high performance water pump is a direct replacement pump, accepts the factory fan clutch. The front is stock appearing for a clean look, and the back of the pump is all business!Up to 20% increase of water flow over stock pumpTwice as efficient as factory pumpMuch less parasitic drag than other pumpsRacing or Stock Factory Replacement applicationsStainless Steel ImpellerHeavy duty Larger bearingHigh quality water seal (Carbon Graphite)Limited lifetime warranty from Stewart MANUFACTURER / BRAND EMP STEWARTReplaces Part Numbers: 11 51 7 527 799 / 11 51 7 509 985 APPLICATION / FITMENT BMW 2000323Ci 1998 - 2000323i 1998 - 1999323is 2001 - 2006325Ci 1992 - 1993325iSedan 1994 - 1995325i 2001 - 2005325i 1992 - 1995325is 2001 - 2005325xi 2000328Ci 1996 - 2000328i 1996 - 1999328is 2001 - 2006330Ci 2001 - 2005330i 2001 - 2005330xi 1991 - 1995525i 2001 - 2005525i 1997 - 2000528i 2001 - 2005530i 1995 - 1999M3 2001 - 2006X53.0i 1997Z32.8L L6 1999 - 2000Z3 2001 - 2002Z32.5L L6 2001 - 2002Z33.0L L6 1998Z3M Roadster 1998Z3Roadster2.8L L6 2003 - 2005Z4