BMW E81 E87 E90 E92 316i N43 N45 Engine Oil Filter Plastic Cover 7530668

BMW E81 E87 E90 E92 316i N43 N45 Engine Oil Filter Plastic Cover is an original lubrication system component designed for BMW N43 and N45 engine units. The robust construction of this housing ensures stable mounting of the oil filter cartridge and secure routing of the lubricant, which translates into reliable engine operation in daily use. This solution is dedicated to users who are looking for a factory-fitted component instead of universal replacements.

Specifications and technical data

• SKU: 7530668-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7530668
• Substitutable numbers: 7530668, 11427530668
• Category: Oil Drain Plugs, Filler Caps & Dipsticks

Purpose and function in the lubrication system

The oil filter cover housing in N43 and N45 engines is responsible for tightly sealing the filter cartridge and properly directing the oil flow within the engine block. A correctly selected element from this group:

• maintains proper oil pressure in the lubrication system,
• ensures stable seating of the filter cartridge,
• minimizes the risk of leaks at the interface between the housing and the engine block,
• supports even lubrication of the moving parts of the power unit.

Thanks to the use of an original housing, matched to the specifics of the N43/N45 engines, compliance with the factory oil system design is maintained, which is important for both the durability of the unit and the safety of the entire drive system.

Construction and fitment for BMW E87 / E90

The presented housing has been designed as a component dedicated to selected BMW 1 Series E87 and 3 Series E90 models with N43 and N45 petrol engines. This means that:

• the geometry of the mounts is consistent with the factory attachment points in the engine block,
• proper oil flow channels are provided,
• compatibility with the original oil filter cartridge and seals is maintained.

Such a solution allows for installation without modifications, while maintaining the factory oil channel routing and lubrication system operating parameters.

Condition, origin, and benefits of choosing a used part

The oil filter cover housing comes from dismantling and is offered as a used part, which is an attractive alternative to new OEM components. Choosing this solution allows you to:

• reduce repair costs while maintaining the original design specifications,
• maintain the consistency of the lubrication system with the manufacturer's factory assumptions,
• reduce waste by reusing functional parts.

If you want to better understand how conscious selection of dismantled parts affects the environment and your household budget, it is worth reading the article on the circular economy and the benefits of used car parts, which describes practical examples of using dismantled components in popular BMW models.

The importance of a proper oil filter housing for engine durability

A functional oil filter housing has a direct impact on the service life of the power unit. Leaks or deformations in this area can lead to:

• a drop in oil pressure and insufficient lubrication,
• local oil leaks in the engine bay,
• accelerated wear of cooperating components.

Selecting the right component from the Oil drain and filler plugs and dipsticks group allows you to maintain stable operating conditions for the lubrication system, which is particularly important in modern, high-efficiency petrol units. For a fuller understanding of the impact of auxiliary systems on engine durability, you can refer to the guide on the cooling system, engine overheating, and the role of oil coolers, where the relationships between operating temperature and the condition of the power unit are discussed.

Expanding oil system service in BMW

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 drain plugs, oil filler caps, or dipsticks, check the available parts in the BMW Oil drain and filler plugs and dipsticks category.

Combining the replacement of the oil filter housing with an inspection of other lubrication system components allows you to reduce the risk of leaks and ensure stable operating conditions for the power unit for a long time after the service is performed.