BMW X1 E81 E87 E90 E91 E92 E93 LCI Coolant Radiator Petrol 7553111

BMW X1 E81 E87 E90 E91 E92 E93 LCI Coolant Radiator Petrol is an original cooling system component designed for installation in the front section of BMW vehicles with petrol engines. It ensures stable heat dissipation from the power unit, which translates into a safe engine operating temperature and longer service life. This is a solution for users looking for a proven, used radiator with factory geometry and fitment.

Specifications and technical data

• SKU: 7553111-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7521046
• Substitutable numbers: 17117521046, 7521046
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Radiators

Purpose and function in the cooling system

The presented water radiator operates in the front zone of the engine compartment, where it is provided with optimal airflow while driving. It works with the petrol engine's cooling system, maintaining a stable operating temperature range, which reduces the risk of overheating, performance loss, and accelerated wear of components.

Thanks to the factory design of the water channels and cooling fins, the radiator effectively dissipates heat to the surroundings, supporting the proper operation of the thermostat, coolant pump, and fan. Using an original design minimizes the risk of leaks resulting from poor fitment and assembly issues.

Benefits of using an original BMW radiator

Choosing a used water radiator from the Water Radiators group for a BMW allows you to maintain cooling system performance parameters in accordance with the manufacturer's specifications. Proper fitment of connectors, mounts, and dimensions translates into:

• secure installation at factory mounting points,
• proper routing of coolant hoses,
• stable cooperation with accessories (fan, housings, air ducts),
• maintenance of the cooling efficiency intended by the manufacturer.

A used OEM component is also a favorable compromise between cost and quality – especially for cars used daily, where both reliability and reasonable service costs matter.

Selection and technical compatibility

The radiator has been designed specifically for BMW E81, E87, E90, and E91 models with petrol engines, ensuring compatibility with the factory cooling system of these units. The product has dedicated manufacturer markings and interchangeable part numbers, which facilitate verification of compatibility with a specific engine version and vehicle year.

Before purchasing, it is worth comparing the markings on your old radiator with the data in the specification to confirm full compatibility. This will help you avoid problems with installation, leaks, or improper cooling system operation after replacement.

Product condition and practical application

The offered radiator is a used component, which means it comes from disassembly but is still suitable for further operation after proper installation and system bleeding. This is a good solution for drivers who want to restore the efficiency of the cooling system without investing in expensive new components.

Radiator replacement is particularly recommended in the case of visible leaks, mechanical damage, corrosion, or problems with maintaining the engine's operating temperature. A properly selected and installed radiator helps reduce the risk of serious failures, such as damage to the head gasket or deformation of engine components due to overheating.

Technical support and additional materials

To better understand the symptoms of overheating and the importance of a functional water radiator in BMW cars and other brands, it is worth reading the guide: Engine cooling system – overheating, repair, and used radiators. The article discusses the impact of the cooling system on the durability of the power unit and practical aspects of selecting and replacing radiators.

If you are considering whether a new or used radiator is a better choice in your case, the following comparative material may also be helpful: Car parts – new or used? We compare costs, quality, and durability. You will find information there that will facilitate making an informed service decision.

If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other elements from the same group, such as additional radiators, coolant hoses, or expansion tanks, check the available parts in the BMW Water Radiators category.