InMotion WU9119 Engine Water Pump

Engine Cooling for BMW E28 and E30

The InMotion WU9119 engine water pump is built for direct-fit cooling system service on select BMW 3 Series and 5 Series models. It supports steady coolant circulation to help control operating temperature in daily driving and demanding conditions.

• Precision-machined impeller for consistent coolant flow
• High-quality bearings and seals for smooth operation and leak resistance
• Corrosion-resistant housing for long-term durability
• OEM-style fit for straightforward replacement service
• Compatible with select BMW 325e, 325es, 325i, 325is, 528e, and 528i applications

Detailed Product Overview

Built as an engine water pump replacement, the InMotion WU9119 is engineered to move coolant efficiently through the engine and radiator circuit. Its impeller design helps maintain flow, while the bearing and seal construction supports reliable operation over time. This part number, WU9119, is a practical choice for BMW owners servicing aging cooling components on classic E30 and E28 platforms.

Compatible With 1984-1987 BMW 325e, N/A; 1986-1987 BMW 325es, N/A; 1987 BMW 325i, N/A; 1987 BMW 325is, N/A; 1982-1987 BMW 528e, N/A; and 1979-1981 BMW 528i, N/A with Disengaging Fan. The WU9119 is also a fitment-focused option for BMW 325e and BMW 528e cooling system maintenance where direct replacement is required.

Common Cooling Issues Addressed

• Overheating caused by a worn or inefficient water pump
• Coolant circulation loss from impeller wear
• Leakage from aging seals
• Noise or rough operation from worn bearings
• Corrosion-related housing deterioration

Installation Notes

Verify engine code, fan configuration, and vehicle year before installation. Clean the mounting surface thoroughly and inspect the belt, thermostat, hoses, and coolant condition while the cooling system is open. Follow the vehicle service manual for torque specifications and bleeding procedures after installation.

Quality Assurance

InMotion designs this water pump with durable materials and OEM-fit engineering for dependable replacement service. The WU9119 is built to support consistent cooling performance in compatible BMW applications.