Water Pump, Metal Impeller, Meyle - E36, E46, E39, Z3, Z4, M50, M54, S52

This water pump is BMW part number 11511433828 (11 51 1 433 828) and is described as the engine water pump for the M50 family of engines - M50, M52, M52TU, M54, M56, S50, and S52 engines. These engines are used in E36, E46, E34, E39, E83, E53, Z3, and Z4 models.
This water pump has an upgraded metal impeller for better durability and long-term engine-cooling insurance. The water pump is a crucial part of your engine's cooling system and shouldn't be ignored during routine cooling system maintenance. Like any vehicle, the water pump is a wear and tear item. Check for play in the water pump shaft which indicates the bearings are worn.


This water pump is designed and engineered in Germany by Meyle to match or exceed the OEM part in every way. Meyle sees their products as an "OEM Premium" level of quality and value. Meyle emphasizes research, engineering, and testing even when reproducing an original design. Meyle parts are developed strictly in line with the guidelines and specifications of their own engineers in Hamburg, Germany and overseen and tested in the production process. Meyle parts are manufactured under ISO/TS 16949 standard, TUV approved, and have a 100,000 mile warranty.