BMW Z4 Series E85 2.0i N46 Additional Water Coolant Pump 6917341 64116917341

The BMW Z4 E85 2.0i N46 Petrol Water Pump is an original part from the Water Pumps group, designed for the N46 petrol engine cooling system in the BMW Z4 E85 2.0i model. This used OEM part ensures a factory fit, proper coolant flow parameters, and compatibility with the manufacturer-specified engine accessories.

Specifications and technical data

• SKU: 6917341
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6917341
• Substitutable numbers: 64116917341, 6917341, KZ
• Category: Water Pumps

Purpose and Function in the Cooling System

The presented water pump is responsible for the forced circulation of coolant in the N46 engine, which helps maintain a stable operating temperature for the BMW Z4 E85 2.0i powertrain. A correctly selected pump minimizes the risk of overheating, supports uniform heat dissipation from the block and head, and works with the thermostat and radiator according to the manufacturer's design.

Thanks to the use of original OEM design, the geometry of the impeller, housing, and connection spigots is matched to the factory cooling system, which facilitates installation and reduces the need for accessory modifications. This solution is particularly beneficial for servicing petrol engines, where thermal stability directly impacts unit durability and running smoothness.

Benefits of Using an Original BMW Water Pump

Using a genuine BMW water pump offers a range of practical advantages for everyday operation:

• factory fit for the N46 engine cooling system in the BMW Z4 E85 2.0i,
• maintenance of original coolant flow characteristics,
• compatibility with standard accessories and mountings,
• reduced risk of leaks resulting from imprecise fitment of aftermarket parts.

For users who wish to maintain their car in a configuration close to the factory original, choosing an original BMW water pump is a technically safe and predictable solution in terms of operation.

Condition, Verification, and Selection by Numbers

This part is a used component, offered as a used BMW water pump, which allows for optimized repair costs while maintaining the original manufacturer's specifications. Before installation, standard checks for leaks, play, and the condition of mating surfaces are recommended, in accordance with BMW service procedures.

The pump has an OEM part number and assigned interchangeable numbers, which facilitates precise component selection for a specific engine configuration and vehicle year. In practice, this means the possibility of verifying compatibility by catalog numbers, which is particularly important when working with N46 units, where design differences exist between various versions.

Integration with Other System Components and Auxiliary Materials

When replacing the water pump, it is advisable to check the condition of the drive belt, tensioner pulleys, thermostat, and coolant hoses. A comprehensive approach to cooling system service helps reduce downtime and ensures stable engine operation across the full range of loads.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as additional pumps, housings, or mounting elements, check the available parts in the BMW Water Pumps category.

For assistance in selecting engine fuel supply components and accessories that work with the powertrain, the article describing diagnostics and component selection by OEM numbers may be helpful – detailed information can be found in the entry "Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Reconditioning", which discusses a practical approach to part identification and service procedures.

For users interested in maintaining cabin thermal comfort and the correct interaction of the cooling system with heating and air conditioning, the guide "Air Conditioning and Heating – Part Selection and Maintenance for Year-Round Comfort" can be an additional source of knowledge, containing practical tips on selecting used OEM components.

Summary

The BMW Z4 E85 2.0i N46 Petrol Water Pump is a functional, original cooling system component, intended for users who value compliance with factory BMW specifications. Choosing this pump allows for a technically correct repair, maintaining proper engine operating temperature, and reducing the risk of problems arising from mismatched aftermarket parts.