BMW 1 3 Series E81 E87 E90 E91 E92 Cooling Coolant Thermostat Water Hose Pipe

BMW 1 3 Series E81 E87 E90 E91 E92 Cooling Coolant Thermostat Water Hose Pipe is an original cooling system component from the Hoses, pipes and tubes group, designed for use in popular BMW 1 and 3 series models. The used OEM component ensures factory-fit, stable coolant flow, and predictable behavior of the entire system under real-world operating conditions.

Specifications and technical data

• SKU: 7548224
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7548224
• Substitutable numbers: 17127548224, 7548224, 17127524190, 7524190
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

The described coolant hose is responsible for the controlled flow of coolant between system components, which has a direct impact on maintaining a stable engine operating temperature. The design, matched to the geometry of the engine bay of the BMW 1 and 3 series (E81, E87, E90, E91, and E92), allows for secure routing of the hose without unwanted tension or twisting.

Thanks to the use of an original BMW solution, the hose works with factory connectors, clamps, and mounts, which reduces the risk of leaks and facilitates future maintenance.

Advantages of using an original BMW hose

Choosing a coolant hose dedicated to specific BMW models brings a number of practical benefits:

• factory fit for the cooling system in a given generation of the 1 and 3 series,
• stable coolant flow within typical load ranges,
• compatibility with original brackets and mounting points,
• reduction of the risk of incorrect installation compared to universal replacements.

The original hose from the BMW group helps maintain the integrity of the entire cooling system, which is particularly important during intensive use or driving in variable temperature conditions.

Characteristics of the used component

The presented coolant hose is a used part, sourced from dismantling, which represents a reasonable compromise between cost and maintaining the original BMW specification. This type of component is a good choice for servicing vehicles used on a daily basis, where the priority is to maintain the factory geometry of the system and predictable material behavior under load.

A used hose allows for an economical repair of the cooling system while maintaining compliance with the manufacturer's design solutions, which facilitates installation and subsequent service inspections.

Selection and technical compatibility

When selecting a coolant hose for the BMW 1 or 3 series (E81, E87, E90, E91, or E92), it is crucial to rely on OEM data and interchangeable numbers that clearly identify the specific variant of the component. This helps avoid problems with the length, diameter, or shape of the hose, and ensures proper routing in the engine bay.

The original hose from the BMW group is designed to operate at elevated temperatures and under variable pressures in the cooling system, which translates into stable performance over a long period of use.

Cooling system service expansion

When replacing a coolant hose, it is worth considering a comprehensive inspection of the entire system, including the condition of other hoses, pipes, and tubes, as well as checking the tightness of connections. This allows for reducing the number of service downtimes and better planning of subsequent vehicle maintenance stages.

If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other components from the same group, such as flexible hoses, rigid pipes, or additional branches, check the available parts in the BMW Hoses, pipes and tubes category.

For drivers who want to better understand the specifics of original components and consciously choose used parts, our guide may be helpful: The best used car parts – a guide to the most frequently chosen original parts.