BMW E82 E88 E90 E92 135i 335i N55 Engine Coolant Pipe Hose Line 7584550

BMW E82 E88 E90 E92 135i 335i N55 Engine Coolant Pipe Hose Line is an original cooling system component designed for BMW models equipped with the N55 engine. Thanks to its factory geometry and precise cross-section, it ensures stable coolant flow and supports proper engine operating temperature, which directly impacts its durability.

Specifications and technical data

• SKU: 7584550
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7584550
• Substitutable numbers: 7584550, 11537584550
• Part type: Hose
• Category: Coolant Hoses

Purpose and function in the cooling system

The engine coolant pipe in BMW 1 Series E82/E88 and 3 Series E90/E92 models with the N55 engine is responsible for transporting coolant between key system components. The proper shape and diameter of the pipe reduce pressure drops, which promotes stable fluid circulation and uniform heat dissipation from the power unit.

Selecting a pipe dedicated to the specific 135i and 335i configuration minimizes the risk of leaks, material stress, and interference with other engine bay components. This is particularly important in turbocharged engines, where the cooling system operates under higher thermal loads.

Advantages of using an original BMW pipe

Using an original coolant pipe in a BMW with an N55 engine allows you to maintain the factory cooling system performance parameters. Components from this group are characterized by:

• precise fitment to connectors and mounts in the engine bay,
• properly selected flexibility, which reduces vibration transmission,
• geometry designed specifically for the E82, E88, E90, and E92 models.

As a result, installation is predictable, and the risk of improper pipe routing is minimized. This translates into safe cooling system operation during daily use as well as during dynamic driving.

Characteristics of the used component

The offered pipe comes from a disassembly, which allows for an economical repair of the cooling system while retaining an OEM component. A used part of this type is a good solution when you want to maintain the vehicle's original specifications and avoid random aftermarket replacements with uncertain parameters.

By choosing a used engine coolant pipe, you gain factory fitment and the ability to restore the original cooling system configuration without altering its design. This is especially important in vehicles where the technical consistency of the entire powertrain is a priority.

Technical support and knowledge about the cooling system

When replacing a coolant pipe, it is worth analyzing the condition of the entire system – from the radiator and thermostat to other pipes and hoses. A guide covering typical symptoms of overheating and diagnostic principles may be helpful. Detailed information can be found in the article Engine cooling system – overheating, repair, and used radiators, which will help you better plan service work on your BMW.

Expanding the BMW cooling system

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional pipes, return hoses, or sections connecting to the radiator, check out the available parts in the BMW cooling system pipes and hoses category.

Summary

BMW E82 E88 E90 E92 135i 335i N55 Engine Coolant Pipe Hose Line is the right choice for users who want to restore the efficiency of their cooling system while maintaining the manufacturer's original specifications. A properly selected pipe supports a stable operating temperature for the N55 unit, which is significant for both performance and long-term engine reliability.