Mini Cooper One F55 F56 F60 Petrol B36 B38 B46 B48 Engine Oil Filter Cap Cover

Mini Cooper One F55 F56 F60 Petrol B36 B38 B46 B48 Engine Oil Filter Cap Cover is an original lubrication system component designed for Mini petrol engines, ensuring a tight seal of the oil filter housing and stable guidance of the lubricating medium. Thanks to its factory OEM design, the cover guarantees proper compatibility with the filter cartridge and adequate sealing under high temperature and pressure conditions. It is a practical solution for users who want to maintain engine performance parameters in accordance with the manufacturer's specifications.

Specifications and technical data

• SKU: 8575907
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 8575907
• Substitutable numbers: 11428575907, 8575907, KZ
• Fuel type: Petrol
• Category: Oil Drain Plugs, Filler Caps & Dipsticks

Purpose and function in the lubrication system

The oil filter cover is responsible for mechanically sealing the filter body and maintaining proper oil flow in the petrol engine. In the B36, B38, B46, and B48 engine families, it plays a key role in:

• maintaining the tightness of the oil filter housing under thermal load,
• providing stable pressure of the filter cartridge against the seat,
• ensuring the correct direction of oil flow in the lubrication channel,
• reducing the risk of leaks in the oil filter area.

By being tailored to a specific family of Mini petrol engines, this component allows for maintaining factory lubrication system performance parameters without the need for aftermarket solutions.

Design, fitment, and installation

The cover is designed as part of the Oil drain and filler caps and dipsticks group, meaning it works directly with components responsible for engine oil maintenance. The design provided by the Mini manufacturer ensures:

• precise fitment with the filter seat in the engine housing,
• appropriate thread geometry and contact surface,
• the possibility of repeated removal and installation during periodic oil changes.

The component is intended for installation in place of the factory cover, which facilitates service operations and allows for maintaining the original configuration of the lubrication system.

Condition and service application

The oil filter cover is offered as a used part, making it an economical solution while maintaining the manufacturer's original specifications. It is particularly useful in situations where:

• the original cover has suffered mechanical damage (e.g., cracks, thread damage),
• there are leaks in the oil filter area,
• it is necessary to replace the component with one consistent with the original Mini design.

Using an original cover helps reduce the risk of fitment issues typical of some aftermarket replacements and facilitates maintaining stable petrol engine performance parameters.

Support in selection and operation

To ensure that the selected oil filter cover is correct for a specific engine and body version, it is worth verifying compatibility using the OEM number or interchangeable numbers. Practical tips on such verification can be found in the guide how to choose the right car part by VIN and OEM number, which describes the compatibility checking process step by step.

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other components from the same group, such as oil drain plugs, filler caps, or dipsticks, check the available parts in the Mini oil drain and filler caps and dipsticks category.

Engine safety and technical knowledge

An efficient lubrication system works in conjunction with the cooling system, affecting the engine's operating temperature. Improper oil flow or oil loss can accelerate engine overheating, which is why the condition of components such as the oil filter cover is important for engine durability. You can read more about the consequences of overheating and the role of auxiliary systems in the article Engine cooling system – overheating, repair, and used radiators, which discusses the relationships between cooling, lubrication, and engine lifespan.