Oil Filter Mini R55 R56 Cooper S N18 Oil Filter With Plastic Cover 8643745

Oil Filter Mini R55 R56 Cooper S N18 Oil Filter With Plastic Cover is an original lubrication system component designed for MINI petrol engines with the N18 unit. The robust OEM construction ensures stable mounting of the filter cartridge, proper oil flow, and safe operation of the engine. It is a practical solution for users looking for a proven oil filter housing tailored to the specifics of the Cooper S engine.

Specifications and technical data

• SKU: 8643745
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8643745
• Substitutable numbers: 11428643745, 8643745, 11427583112, 7583112, BG
• Fuel type: Petrol
• Category: Oil Drain Plugs, Filler Caps & Dipsticks

Purpose and function in the lubrication system

The oil filter housing in the MINI N18 petrol engine is responsible for the tight seating of the filter cartridge and proper oil routing within the lubrication circuit. A correctly selected component helps maintain proper oil pressure, reduces the risk of leaks, and supports the stable operation of the turbocharger and other engine components. Oil Filter Mini R55 R56 Cooper S N18 Oil Filter With Plastic Cover has been designed for demanding petrol engines, where the quality of lubrication is crucial for durability.

Benefits of using an original housing

Using a factory oil filter housing ensures proper fitment to the engine block and other lubrication system components. The appropriate geometry of the oil channels and the precise filter cartridge seat reduce the risk of leaks and venting problems. For the user, this means:

• stable oil pressure across a wide range of engine loads,
• proper compatibility with filter cartridges intended for the N18 unit,
• reduced risk of leaks in the oil filter area,
• easier maintenance during periodic oil changes.

The item from the Oil filters category has a direct impact on the cleanliness of the lubricant, and thus on the protection of mating surfaces in the petrol engine.

Product characteristics and condition

The offered housing is an original BMW brand part, intended for use in MINI R55 and R56 Cooper S models with the N18 petrol engine. The product comes from dismantling, which allows combining factory fitment with an attractive price compared to new OEM components. A used oil filter housing is a sensible choice for drivers who want to restore full functionality of the lubrication system without overstraining their service budget.

Why choose used OEM parts

In the case of components such as an oil filter housing, an original used part often provides a better fit than replacements with uncertain specifications. A design consistent with the manufacturer's factory assumptions minimizes the risk of assembly problems and incorrect oil flow. If you want to better understand how the selection of components affects car maintenance costs and component durability, it is worth checking out the guide on saving on service using used OEM parts, which discusses the practical aspects of choosing such elements.

BMW oil filters – expanding the service system

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as oil filter cartridges, filter bases, or additional mounting elements, check the available parts in the BMW oil filters category.

To better understand the impact of lubrication quality and operating temperature on engine life, you can also read the article discussing the relationship between the cooling system, oil cooler, and engine durability, which shows how crucial it is to maintain stable operating parameters in modern petrol units.