BMW X1 E84 E81 E87 E90 Coolant Expansion Tank Bottle Reservoir Petrol 7607482

BMW X1 E84 E81 E87 E90 Coolant Expansion Tank Bottle Reservoir is an original cooling system component designed for BMW vehicles with petrol engines. It ensures stable system operation by monitoring coolant levels and compensating for pressure changes. This is a practical solution for users who want to restore proper engine performance while maintaining the factory design concept.

Specifications and technical data

• SKU: 7607482-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7607482
• Substitutable numbers: 17137640514, 7640514, 17137607482, 7607482, 17137543026, 7543026, 17137567462, 7567462, 17137519368, 7519368, EM
• Fuel type: Petrol
• Part type: Coolant Expansion Tank
• Category: Expansion & Overflow Tanks

Purpose and function in the cooling system

The presented expansion tank is a component of the cooling system in BMW X1 series vehicles and selected 1 and 3 series models. Its task is to safely accommodate excess coolant as temperatures rise and allow the fluid to return to the circuit after pressure drops. This helps the cooling system maintain stable operating conditions, which promotes engine durability and reduces the risk of overheating. The version designed for petrol engines is adapted to the thermal characteristics of these units, allowing for the maintenance of appropriate volume reserves and proper cooperation with other system components.

Benefits of using an original BMW expansion tank

Using an original expansion tank instead of a worn or damaged part allows you to maintain the factory cooling system performance parameters. The design is matched to the geometry of the engine bay, which facilitates installation and proper hose routing. The appropriately shaped housing promotes clear positioning of the ports and stable mounting. The most important advantages of this solution include:

• Compatibility with the factory cooling system in selected BMW X1, 1, and 3 series models.
• Adaptation for use in petrol-powered systems, taking into account typical temperature ranges.
• Ability to use existing mounting points and original hoses.
• Consistency with the manufacturer's factory service concept.

Condition, fitment, and service application

The item belongs to the Expansion Tanks category and is intended for service applications in BMW vehicles. It allows for restoring the tightness of the cooling system in situations where the existing tank shows signs of wear, cracks, or leaks. Thanks to the preservation of the original geometry, it is possible to use factory brackets and standard equipment. The product will work well both for standard maintenance replacements and for more extensive work related to the cooling system, such as replacing hoses, radiators, or thermostats. Proper fitment for the specific BMW generation reduces the risk of installation problems and speeds up workshop tasks.

Reference numbers and part identification

To facilitate selection in service catalogs and spare parts systems, the tank has an assigned OEM part number and associated replacement numbers. This allows for precise identification of the component based on manufacturer data, which is particularly important when working with multiple engine variants and model years within the same model line. The product description also includes information such as SKU, OEM part number, reference numbers, the BMW brand, and condition, which allows for quick verification of the part's compatibility with your vehicle and service documentation.

Application in BMW petrol vehicles

The presented tank is designed for cooling systems in petrol-powered BMW cars. Proper adaptation to the specifics of petrol units translates into stable operation under typical operating conditions – both in city traffic and during long highway drives. A correctly selected expansion tank helps maintain the proper coolant level and supports even heat dissipation from the engine. If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other items from the same group, such as additional tanks, mounting elements, or related system components, check the available parts in the BMW Expansion Tanks category. For those interested in the broader context of selecting original components and the structural differences between model generations, it is worth reading the article Classic Mini vs. modern MINI – how the design has changed and which original Mini parts help preserve their character, which shows the importance of proper OEM part selection in the long-term operation of the vehicle.