BMW E60 E61 LCI M5 E63 M6 Oil Filler Neck Cylinder Head 7834112

BMW E60 E61 LCI M5 E63 M6 Oil Filler Neck Cylinder Head is an original BMW component, designed for the lubrication system in high-performance 5 and 6 series models. This precisely manufactured filler neck ensures a tight connection between the oil filler and the engine cover, promoting stable engine operation and facilitating maintenance.

Specifications and technical data

• SKU: 7834112
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7834112
• Substitutable numbers: 11127834112, 7834112, EM
• Category: Oil Drain Plugs, Filler Caps & Dipsticks

Purpose and function of the oil filler neck

The oil filler neck in high-class BMW models is responsible for safely guiding engine oil during top-ups and changes. A properly selected component minimizes the risk of leaks around the valve cover, reduces engine bay contamination, and simplifies service operations, especially in high-output units such as the M5 or M6.

The correct filler neck is particularly important in engines operated dynamically, where the lubrication system works under elevated temperatures and higher loads. Stable mounting and the appropriate shape of the neck help maintain consistent connection tightness and comfortable access to the oil filler.

Technical category: Oil drain and filler plugs and dipsticks

The presented item belongs to the Oil drain and filler plugs and dipsticks group, which includes components responsible for engine oil management: refilling, level monitoring, and safe draining during changes. This category includes oil pan drain plugs, filler caps, filler necks, and dipsticks – all these parts contribute to a functional engine service system.

Selecting the right oil filler neck from this group is important for service ergonomics, reducing oil loss, and maintaining cleanliness in the engine bay. A properly fitted component allows for efficient periodic inspections and quick checks of the lubrication status.

Product characteristics and fitment

The offered filler neck is an original BMW part, which translates into factory-perfect fitment to the engine cover and compatibility with the factory filler cap. As a result, installation proceeds without the need for modifications, and the geometry of the connection remains consistent with the vehicle manufacturer's specifications.

The item comes from the used parts group, which is a beneficial solution for users looking for an economical yet OEM-compliant alternative to new components. When correctly matched to a specific engine version, the filler neck can be used both for standard replacement of a damaged part and during more extensive service work within the upper part of the engine unit.

Benefits of using an original BMW filler neck

• Factory-standard connection geometry with the engine cover, promoting leak-free performance.
• Compatibility with the lubrication system designed for high-performance BMW 5 and 6 series models.
• Easier access to the oil filler during service and routine top-ups.
• Cost-effective repair possibility through the use of an original used component.

Condition, application, and service tips

As a used part, the oil filler neck is a practical solution for routine repairs where it is important to combine reasonable costs with maintaining the original installation specification. Before installation, it is recommended to perform a standard inspection of the seating socket, seals, and contact surfaces with the engine cover, as well as cleaning the filler area of old oil residue.

During service work, it is worth paying attention to the condition of other oil management system components – the filler cap, drain plug, and any dipstick – to restore the full functionality of the entire service set in one operation.

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

For a better understanding of how proper oil maintenance and engine operating temperature affect durability, it is worth reading our guide on the engine cooling and lubrication system: Engine cooling system – overheating, repair, and used radiators.