Brand ?PHILTOP OEM Part Number ?32411092742, 32411094098, 32411094965, 32411097149 Product Dimensions ?5.51 x 4.92 x 4.33 inches Manufacturer Part Number ?5389PSP231UUS Item Weight ?3.52 pounds (Fit Verification): Our products fit 323i 1999-2000, 325i 2001-2001, 328i 1999-1999, 330i 2001-2001, 525i 2001-2003, 528i 1997-2000, 530i 2001-2003, but to perfectly fit your vehicle, you can use the year, make, and model in the 'Amazonconfirmedfit' filtering system in the upper left corner of the link to confirm compatibility. (OEM Fit)? 21-5065, Although the power assist pump is not genuine, it is a direct replacement that will match the original parts exactly and work and look exactly the same. (Note): If you find the following phenomena, you may need to replace the power steering pump: steering pump oil leakage, whining sound when turning the steering wheel, slow or stiff steering wheel response, squealing sound when the vehicle starts. (Installation Tips)? Before installing the power steering pump, it is highly recommended that the system be flushed. If there is noise after installing the steering pump, make sure that the air is expelled, the oil feed line is locked, the oil filter is not blocked, and the oil is clean and low viscosity. (Hassle-free purchase): perfect replacement on your vehicle, unconditional 30 days money back, 1 year warranty. (Refund or replace your purchase, no need to worry about any return cost) Any question please contact us first, we will reply you within 24 working hours. PHILTOP Power Steering Pump Product Information FITMENT: 323i 1999-2000 2.5L 325i 2001-2001 2.5L 328i 1999-1999 2.8L 330i 2001-2001 3L 525i 2001-2003 2.5L 528i 1997-2000 2.8L 530i 2001-2003 3L OE: 21-506532411092742324110940983241109496532411097149 You need to replace your power steering pump if you encounter the following? Situation One? Fluid leakage from steering power pump Situation two? The steering wheel is operated during driving, but the wheels are slow to respond Situation Three? Turning while driving, vehicle noise increases Situation Four? Steering during driving, turning the steering wheel is difficult and more strenuous How to Replace a Power Steering Pump STEP 1: Drain the Power SteeringSTEP 2: Remove Accessories From Power Steering System STEP 3: Remove the Pulley and Bolts STEP 4: Remove Power Steering PumpSTEP 5: Place the New Power Steering PumpSTEP 6: Press on the Power Steering Pulley STEP 7: Align the Pulley and Attach the BeltsSTEP 8: Flush and Fill the Power Steering SystemSTEP 9: Cleanup Adaptation verification before purchase