BMW F45 Active Tourer F46 Gran Tourer Oil Filter Housing Box B47 Diesel 8575898

BMW F45 Active Tourer F46 Gran Tourer Oil Filter Housing Box B47 Diesel is an original lubrication system component designed for B47 diesel engines in BMW F45 and F46 series models. The robust construction of the housing ensures stable seating of the oil filter cartridge and leak-proof routing of the lubricant, which directly impacts the durability of the power unit. By maintaining factory geometry and mounting points, this part allows for precise, repeatable installation in the engine bay.

Specifications and technical data

• SKU: 8575898
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8575898
• Substitutable numbers: 8575898, 11428575898
• Fuel type: Diesel
• Part type: Oil Filter
• Category: Oil Filters

Purpose and function in the lubrication system

The oil filter housing in a Diesel engine plays a key role in maintaining proper oil pressure and flow direction. In B47 units, it is responsible for:

• stable mounting of the filter cartridge along the oil flow axis,
• sealing oil channels between the engine block and the filter,
• safe oil routing under varying thermal and pressure load conditions,
• maintaining proper filtration of metallic contaminants and sludge. Selecting the correct housing is particularly important in modern BMW diesels, where lubrication precision affects the service life of the turbocharger, timing system, and forced induction components.

Compatibility with BMW F45 / F46 with B47 engine

The presented oil filter housing has been designed specifically for the drivetrain architecture of the BMW F45 and F46 Active Tourer / Gran Tourer with the B47 unit. This ensures the preservation of:

• factory mounting points to the engine block,
• compatibility with the original oil channel layout,
• suitability for use with engine oils recommended by BMW for diesel engines,
• integration with existing service procedures (filter access, replacement protocols). Such a fit reduces the risk of leaks, oil pressure drops, or issues with system venting after service.

Characteristics of the used component

The housing comes from the group of used parts, which in practice means it was previously operated in a vehicle but has retained full structural functionality. Such components are frequently chosen for:

• repairs after mechanical damage (e.g., stripped threads, cracked body),
• engine service after overheating, where there is a risk of deformation of the old housing,
• optimizing vehicle maintenance costs while maintaining the original specification. In the case of oil filter housings, it is particularly important to maintain the integrity of the body and seal seats – using an original component from the secondary market allows for maintaining parameters close to factory standards.

Importance for diesel engine durability

In BMW diesel engines, such as the B47, a properly functioning oil filter housing influences:

• stable oil pressure across the entire RPM range,
• even lubrication of crankshaft bearings and camshafts,
• protection of forced induction system components against dry starts,
• maintaining oil cleanliness during long service intervals. For users who want to better understand the relationship between lubrication and engine operating temperature, the following guide on cooling systems and oil coolers may be helpful: Engine cooling system – overheating, repair, and used radiators.

Service expansion within BMW Oil Filters

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 filter cartridges, cover gaskets, or mounting bodies, check the available parts in the BMW Oil Filters category.

Summary

BMW F45 Active Tourer F46 Gran Tourer Oil Filter Housing Box B47 Diesel is a functional, original lubrication system component dedicated to diesel engines in F-series models. Using this housing allows for restoring proper oil filter operation, reducing the risk of leaks, and maintaining lubrication parameters consistent with the manufacturer's specifications. It is a practical solution for users who expect a technically correct repair while maintaining BMW's factory design concept.