Auxiliary Water Pump For BMW 525I 2002-2005 No.64116910755

VEHICLE COMPATIBILITY:for BMW 525i 2002-2005PRODUCT INFORMATION: Condition: New Type: Auxiliary Water Pump Material: Plastic, Metal Color: Black Size: 12.8x11.4cm / 5.04"x4.49"(L*W) Interface Inner Diameter 1: 1.6cm / 0.63"(D) Interface Inner Diameter 2: 1.6cm / 0.63"(D) Pin Number: 2pins PERFORMANCE: OE Number:64116910755 The function of the auxiliary coolant pump is that when the engine stops running, the electric coolant pump can continue to operate to continue the circulation of coolant, help the vehicle dissipate heat, and ensure normal cooling of the air conditioner. If the engine auxiliary water pump runs for too long without replacing it, it will cause abnormal noise in the water pump, weakened cooling capacity, leakage of engine water near the water pump and other faults, affecting the normal operation of the engine. The auxiliary water pump is made of durable materials, which is wear-resistant, not easy to break, has stable performance, and has good sealing performance to avoid coolant leakage. Directly replace the auxiliary cooling water pump, plug and play. NOTICE: a. This is a non-OE items, accessory ONLY! b. Please check your car model and refer to our products before purchasing. c. Due to manual measurement, the size deviation is about 1-2 cm. INSTALLATION GUIDE: 1. Drain the high-pressure coolant and disconnect the auxiliary coolant pump connector. 2. Remove auxiliary cooling pump and related accessories 3. Install new auxiliary coolant pump and related accessories 4. Add high-pressure coolant to the desired level. 5. Check the coolant system for leaks.