InMotion WU9261 Engine Water Pump

Engine Cooling for BMW Applications

The InMotion WU9261 engine water pump is built for BMW cooling system service where consistent coolant circulation matters. It is engineered for a direct OEM-style fit and is listed for a wide range of BMW 3 Series, 5 Series, X3, X5, Z3, Z4, and M3 applications.

Use this water pump when replacing a worn or leaking pump on select BMW 323i, 325i, 330i, 525i, and related models. The WU9261 is designed to support steady coolant flow and dependable operation in daily driving conditions.

Key Features

• Precision-machined impeller for consistent coolant movement
• High-quality bearings and seals for smooth, leak-resistant operation
• Corrosion-resistant housing for long-term durability
• OEM-style fit for straightforward installation
• Built for BMW cooling system service across multiple model lines

Detailed Product Overview

InMotion part number WU9261 is an engine water pump designed for BMW vehicles that require reliable coolant circulation to help maintain normal operating temperature. The pump construction focuses on durability, with a machined impeller, quality sealing surfaces, and a housing intended to withstand harsh underhood conditions. For buyers searching for a BMW water pump replacement, WU9261 offers a direct-fit solution for many 1991-2006 BMW applications.

Compatible With 2006 BMW 323i, 1998 BMW 323i, 2001-2006 BMW 325Ci, 2001-2006 BMW 330Ci, 2004-2006 BMW X3, 2001-2006 BMW X5, 2001-2005 BMW 320i, 1992-1995 BMW 320i, 2001-2005 BMW 325i, 1992-1995 BMW 325i, 2001-2005 BMW 325xi, 2001-2005 BMW 330i, 2001-2005 BMW 330xi, 2001-2005 BMW 525i, 1991-1995 BMW 525i, 2001-2005 BMW 530i, 2003-2005 BMW Z4, 2001-2002 BMW Z3, 1997-1998 BMW Z3, 1998 BMW 323is, 1996-1998 BMW 328i, 1996-1998 BMW 328is, 1997-1998 BMW 528i, 1994-1998 BMW M3, 1992-1995 BMW 325is, and 1993 BMW 525iT.

This part cross-references common aftermarket listings for the same application, including 11511730553 and 11511730554.

Common Replacement Reasons

• Coolant leakage from the pump housing or seal area
• Overheating caused by reduced coolant circulation
• Noise from worn bearings inside the pump assembly
• Cooling system service on higher-mileage BMW engines
• Restoration of proper coolant flow after pump failure

Installation Notes

Confirm engine code and vehicle application before installation, since BMW cooling components can vary by model year and configuration. Inspect the thermostat, hoses, belts, and coolant condition during service, and replace any worn related parts as needed. Always follow the vehicle service procedure for coolant refill and bleeding after installation.

Quality Assurance

WU9261 is built with a corrosion-resistant housing, quality bearings and seals, and an OEM-fit design intended for dependable service in BMW cooling systems.