BMW 5 6 Series E60 E61N M5 E63 E64 M6 Engine Cylinder Head Cover Cylinders 1-5

BMW 5 6 Series E60 E61N M5 E63 E64 M6 Engine Cylinder Head Cover Cylinders 1-5 is an original component from the Tappet and Valve Covers group, designed for BMW M-series power units. It ensures a tight seal for the first row of valves, stabilizing the timing system operation and protecting it from contaminants. This used OEM part is a sensible choice for drivers seeking factory fitment and predictable engine performance parameters.

Specifications and technical data

• SKU: 7891022
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 11127891022
• Substitutable numbers: 11127891022, 7891022, 7834621, 11127834619, 7834619
• Category: Rocker & Valve Covers

Purpose and technical function

The BMW 5 6 Series E60 E61N M5 E63 E64 M6 Engine Cylinder Head Cover Cylinders 1-5 is responsible for tightly separating the upper part of the cylinder head from the engine compartment in high-performance BMW M5 and M6 units. Its tasks include:

• maintaining stable operating conditions for the tappets and valves in the first cylinder head segment,
• protecting the timing mechanism from dust, moisture, and external oil,
• ensuring adequate workspace for the lubrication of moving parts,
• limiting oil leaks and oil mist outside the engine.

Thanks to its factory design, the cover maintains proper geometry and rigidity, which helps maintain even pressure on the cylinder head and stable seal performance.

Benefits of using an original valve cover

Using an original cover in BMW M-series engines allows you to maintain the parameters specified by the manufacturer. In practice, this means:

• secure fitment to the cylinder head without the need for modifications or adjusting mounting holes,
• compatibility with the factory oil routing and ventilation system,
• maintaining engine bay aesthetics at an OEM level,
• easier diagnostics and maintenance due to the original construction.

For demanding M5 and M6 users, this is a solution that helps reduce the risk of leaks and unwanted vibrations in the cylinder head area.

Condition and service application

The item comes from disassembly and is offered as a used BMW part, which allows for optimizing repair costs while maintaining factory specifications. This type of cover is particularly suitable in situations where:

• the original cover has cracked or deformed,
• there are leakage problems in the upper part of the engine,
• it is necessary to replace the component as part of a larger cylinder head or timing service.

Due to the preservation of the original geometry, installation is predictable, and the risk of compatibility issues is limited.

Integration with other system components

The cover works with other timing and lubrication system components, creating a coherent protection system for the upper part of the engine. Proper selection of this component is important for:

• maintaining proper oil pressure and circulation in the valve area,
• stability of tappets and valve control elements,
• limiting leaks that could affect other components in the engine bay.

Choosing an original cover is particularly important in powerful BMW M units, where thermal and mechanical loads are higher than in standard engines.

Repair scope expansion 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 additional covers, shields, or components securing the upper part of the cylinder head, check out the available parts in the BMW Tappet and Valve Covers category.

For users preparing their car for the winter season, practical service tips may also be useful – you can find them in the article Winter essentials: which used car parts are worth checking and replacing before the frost?, which describes, among other things, how to plan the inspection of used components based on OEM markings and technical parameters.