BMW 3 Series E90 E91 LCI E92 E93 N57 Diesel Coolant Hose Pipe Line Tube 9181089

BMW E90 E92 N57 Diesel Coolant Hose is an original cooling system component from the Hoses, Pipes, and Tubes category, designed for BMW N57 diesel engines. A used hose allows for a technically correct repair of the cooling system, maintaining the factory fluid routing geometry and proper fit to the engine and radiator connections. This is a practical solution for users who expect a proven part at a reasonable price, while maintaining compliance with factory specifications.

Specifications and technical data

• SKU: 9181089
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9181089
• Substitutable numbers: 64219181089, 9181089, EM
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Application in N57 Diesel Engines

The coolant hose is dedicated to Diesel engines from the N57 family used in BMW E90 and E92 models. It is responsible for stable coolant flow between system components, which directly impacts maintaining the engine's proper operating temperature, protection against overheating, and even heat dissipation from the block and head.

By maintaining the original shape and connection diameters, the hose works with factory clamps and connectors, which reduces the risk of leaks and facilitates installation in the engine bay where space is limited.

Construction and Performance Parameters

The element belongs to the group of Hoses, Pipes, and Tubes, which are components responsible for transporting working fluids in a vehicle. The hose's construction is adapted to work with hot, pressurized coolant, taking into account the typical thermal and mechanical loads encountered in BMW diesel engines.

• Factory fit for the N57 engine cooling system.
• Profiled shape for easy hose routing in the engine bay.
• Adapted for operation with coolant within the typical temperature range for diesel units.

This design promotes stable cooling system operation, which translates to the longevity of the engine and other thermally stressed components.

Benefits of Using an Original BMW Hose

Using an original coolant hose in BMW E90/E92 with an N57 engine offers a number of practical benefits:

• Precise fit with factory mounting points and connectors, without the need for modifications.
• Reduced risk of leaks due to the correct diameter and wall stiffness of the hose.
• Maintenance of proper coolant circulation, supporting stable engine operating temperature.
• Possibility of verifying compatibility by OEM and replacement part numbers in the technical specifications.

A used part allows for economical repair, while maintaining the original hose construction and compliance with the factory cooling system design.

Condition and Selection of Coolant Hose

The hose is offered as a used part, meaning it comes from a dismantled vehicle and is intended for further use after proper installation. Before purchasing, it is advisable to compare the shape and type of connections with the currently installed element, and to verify compatibility by the OEM part number and interchangeable numbers in the technical specifications section.

For diesel engines, maintaining the tightness and unobstructed flow of the cooling system is particularly important. Therefore, replacing a worn or damaged hose with an original component is a sensible service solution that improves vehicle operational safety.

Other BMW Hoses, Pipes, and Tubes and Parts Knowledge

If you are looking for other BMW Hoses, Pipes, and Tubes for your car, check out the BMW hoses, pipes, and tubes available in our store to select cooling system and other installation components according to the manufacturer's requirements.

When choosing between original, aftermarket, and used parts, our guide may be helpful – you can find more information in the article Original, Aftermarket, or Used – Which Car Parts Are Most Cost-Effective?, where we discuss the differences in cost, quality, and fit by OEM numbers.