Features: 1.Fitment: This water pump is perfect replacement for 323CI 2000; Replacement for 323I 1998?2000; Replacement for 323IS 1998?1999; Replacement for 325CI 2001?2006; Replacement for 325i 1992?2005; Replacement for 325IS 1994?1995. 2.OEM: The OEM of this water pump are 11517527910 and 1151143371 for reference, please check the part number of your item before purchasing. 3.Strong Construction: The water pump is centrifugal type and comprises a bladed rotor linked by means of a shaft to the drive gear. The seal between the pump and the motor block is guaranteed by a gasket, while the interior of the pump is guaranteed by a mechanical seal. 4.Lasting Performance: Our water pump completely conforms to OEM standard, which is highly impact and scratch resistant, which could be used for a long time. 5.Convenient Installation: Tested throughout the entire manufacturing process, our water pump can directly replace vehicle worn or broken components, thus saving your time and labor. Specification: Item Type: Water Pump OEM: 11517527910, 1151143371 Fitment: Replacement for 323CI 2000 Replacement for 323I 1998-2000 Replacement for 323IS 1998-1999 Replacement for 325CI 2001-2006 Replacement for 325i 1992-2005 Replacement for 325IS 1994-1995 Replacement for 325XI 2001-2005 Replacement for 328CI 2000 Replacement for 328i 1996-2000 Replacement for 328IS 1996-1999 Replacement for 330CI 2001-2006 Replacement for 330i 2001-2005 Replacement for 330XI 2001-2005 Replacement for 525i 1991-2005 Replacement for 528i 1997-2000 Replacement for 530i 2001-2005 Replacement for M3 1994-1999 Replacement for X3 2004-2006 Replacement for X5 2001-2006 Replacement for Z3 1997-2002 Replacement for Z4 2003-2005 The water pump is centrifugal in type and comprises a bladed rotor linked by means of a shaft (which rotates on bearings housed in a support) to the drive gear; the seal between the pump and the motor block is guaranteed by a gasket, while the inside of the pump is guaranteed by a mechanical seal. Component Parts: Impeller: Supplies the fluid with the necessary energy to cover the entire cooling circuit. Mechanical seal: ensures fluid seal inside the pump. Bearing: Transmits movement to the impeller and supports any ventilation parts. Entrainment Part: For transmitting movement to the bearing. Pump Body: Supports the basic pump component parts and conveys the coolant in the motor block. PackageList: 1 x Water Pump