BMW X5 X6 E70 LCI E71 N57 Oil Filler Neck Cylinder Head Engine 7823183

BMW X5 X6 E70 LCI E71 N57 Oil Filler Neck Cylinder Head Engine is an original lubrication system component designed for BMW N57 engines in E70 LCI and E71 models. The precisely engineered filler neck ensures secure oil flow during service refills, reducing the risk of engine bay contamination. Thanks to its factory origin from the Oil drain and filler caps and dipsticks category, you maintain compatibility with the manufacturer's design and stable engine operating conditions.

Specifications and technical data

• SKU: 7823183
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7823183
• Substitutable numbers: 11127823183, 7823183
• Category: Oil Drain Plugs, Filler Caps & Dipsticks

Purpose and function in the lubrication system

The oil filler neck in the N57 engine is responsible for the safe and controlled replenishment of lubricant, which is important both during standard maintenance and intensive vehicle use. A properly selected component minimizes oil splashing, facilitates service operations, and helps keep the valve cover area clean.

In the case of BMW diesel units, such as the N57, maintaining the correct oil level is crucial for the durability of the turbocharger, timing system, and components exposed to high combustion pressure. Using an original oil filler neck supports stable operating conditions and reduces the risk of leaks at the refill point.

Benefits of using an original oil filler neck

Choosing a BMW OE component translates into geometric fitment to the engine cover and compatibility with the factory filler cap. As a result:

• you maintain proper oil stream guidance during refilling,
• you reduce the risk of contaminants entering the engine unit,
• you maintain consistency with the original lubrication system design.

For BMW E70 LCI and E71 users with the N57 engine, this is a practical service solution that allows for restoring proper oil filler operation after damage or wear of the previous part. Original fitment reduces the need for modifications and speeds up installation.

Product characteristics and condition

The presented oil filler neck comes from the BMW range and is a dismantled component, which allows for economical repair while maintaining factory specifications. A used component of this type is a popular choice when you want to maintain the original design while optimizing vehicle maintenance costs.

The element from the Oil drain and filler caps and dipsticks group is particularly important during regular oil changes and lubricant level checks. A properly selected neck facilitates work for both the user and the service center, and also helps limit dirt in the engine bay, which is important for further diagnostics and inspections.

Integration with other system components and additional materials

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

To better understand the impact of proper oil handling and operating temperature on engine durability, it is worth reading practical tips regarding the cooling and lubrication system. A detailed discussion of the relationship between engine overheating, radiator operation, and oil circulation can be found in the article Engine cooling system – overheating, repair, and used radiators.

If you are considering a wider range of work on the engine unit, including the potential replacement of the entire engine with a used one, a step-by-step guide on how to assess technical condition and avoid a bad purchase may also be helpful. Practical tips can be found in the material How to buy a used car engine and not get scammed – a step-by-step guide.

Summary

BMW X5 X6 E70 LCI E71 N57 Oil Filler Neck Cylinder Head Engine is a functional, original component designed for N57 engines, which supports proper lubrication system maintenance and facilitates daily vehicle operation. By choosing a component from the Oil drain and filler caps and dipsticks group, you are opting for compliance with the factory BMW design, which translates into predictable engine behavior and service convenience in the long term.