Brand ?PHILTOP OEM Part Number ?215049, 32411093360, 32411093577, 32416753274, 32416756582 Product Dimensions ?5.51 x 4.92 x 4.41 inches Manufacturer Part Number ?1192PSP154FUS Item Weight ?3.73 pounds (Fit Verification): Our products fit 325Ci 2002-2002 2.5L, 325xi 2001-2005 2.5L, 330Ci 2001-2002 3.0L, 330i 2001-2002 3.0L, 330xi 2001-2005 3.0L, 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)? 21-5310, 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: 325Ci 2002-2002 2.5L325xi 2001-2005 2.5L330Ci 2001-2002 3.0L330i 2001-2002 3.0L330xi 2001-2005 3.0L OE: 21-531096-531021504932411093360324110935773241675327432416756582 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