BMW F87 LCI M2 Competition Expansion Tank Reservoir Bottle 8089488

The BMW F87 LCI M2 Competition Expansion Tank is an original cooling system component from the Expansion Tanks group, designed for the facelifted sporty version of the BMW M2 Competition. This used OEM part helps maintain the engine's factory performance characteristics, stable operating temperature, and proper coolant circulation under demanding conditions.

Specifications and technical data

• SKU: 8089488
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8089488
• Substitutable numbers: 8089488, 17138089488
• Category: Expansion & Overflow Tanks

Purpose and Function in the Cooling System

The BMW F87 LCI M2 Competition Expansion Tank is responsible for compensating for coolant volume changes and maintaining stable system pressure. A correctly selected, original expansion tank ensures:

• safe discharge of excess coolant when temperature rises,
• maintenance of the correct coolant level,
• compatibility with factory cooling system sensors and hoses,
• seamless integration with the engine bay design of the facelifted M2 Competition.

Thanks to its original geometry and connections, installation is straightforward and does not require modifications to the system.

Benefits of Using an Original BMW Expansion Tank

Choosing an original component from the Expansion Tanks group for your BMW allows you to maintain cooling system performance parameters as intended by the manufacturer. In practice, this means:

• secure fit to brackets and mounting points in the engine bay,
• compatibility with factory caps, hoses, and clamps,
• preservation of the original coolant flow path,
• reduced risk of leaks resulting from the use of non-original parts with different geometries.

A used OEM component is an excellent solution for users who want to restore proper cooling system function while keeping service costs reasonable, and at the same time avoid the hassle of fitting universal solutions.

Condition, Verification, and Service Application

The offered expansion tank is from a BMW vehicle and is classified as used, allowing for economical repair while maintaining original specifications. This type of component is particularly useful in situations such as:

• replacement after housing cracks or damage to connection spigots,
• repairs after engine overheating and inspection of the entire cooling system,
• restoring the car to a near-factory condition after modifications or an accident.

Thanks to its original design, the expansion tank is compatible with factory ancillary components, which simplifies the mechanic's work and reduces vehicle downtime.

Part Identification and Vehicle Fitment

For precise component selection, it is advisable to use manufacturer markings such as the OEM part number or available interchangeable numbers. Combined with the SKU designation in our system, this allows for quick verification of the part's compatibility with a specific BMW F87 LCI M2 Competition configuration.

This approach minimizes the risk of purchasing an incompatible expansion tank and facilitates integration with the existing cooling system, without the need for modifications or additional adapters.

Expanding Repair Scope – BMW Expansion Tanks

If you are planning a comprehensive repair or engine bay upgrade for your BMW and require other components from the same group, such as additional tanks, mounting elements, or related hoses, check the available parts in the BMW Expansion Tanks category.

If you are also considering refreshing your car's appearance by changing wheels or refurbishing existing ones, you can find practical tips on selecting and restoring alloy wheels in the article Used Wheels Like New: A Guide to Buying and Refurbishing Alloy Wheels, which will help you plan service and aesthetic work on your car cohesively.