BMW E60 M5 E63 E64 M6 Cylinder Head Cover Engine Cylinders 6-10 7891023

BMW E60 M5 E63 E64 M6 Cylinder Head Cover Engine Cylinders 6-10 is an original BMW component designed for the V10 engines used in the M5 E60 and M6 E63/E64 models. The cover is responsible for tightly sealing the upper part of the cylinder head for cylinders 6–10, stabilizing the timing system operation, and reducing oil leaks.

Specifications and technical data

• SKU: 7891023
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7891023
• Substitutable numbers: 11127891023, 7891023, 7834624, 11127834622, 7834622
• Category: Other Engine Parts

Purpose and function of the cylinder head cover

The presented cylinder head cover is dedicated to the V10 engines used in the sports versions of the BMW M5 E60 and BMW M6 E63/E64, specifically for the cylinder 6–10 area. This component plays a key role in sealing the upper part of the engine, ensuring proper oil flow and protecting the timing mechanisms from external contaminants.

A well-fitted cylinder head cover helps maintain stable engine operating conditions, reduces the risk of leaks, and facilitates the maintenance of proper oil pressure in the upper part of the cylinder head. For high-revving units like the V10 in the M5 and M6, this is of particular importance for durability and consistent performance.

Advantages of using an original BMW cover

Using an original BMW component ensures:

• precise fitment to the cylinder head in the 6–10 cylinder area,
• compatibility with the factory sealing and mounting system,
• preservation of factory geometry and structural rigidity,
• consistency with other engine components.

As a result, the cover can be used both for standard replacement of a worn part and for more extensive engine service work. Original manufacturing facilitates installation and minimizes the risk of leaks resulting from imprecise fitment.

Characteristics of the used component

The cylinder head cover is offered as a used part, which allows for cost-effective repair while maintaining the manufacturer's original specifications. This type of solution is particularly attractive for specialized units where new components may be difficult to obtain or significantly more expensive.

Before installation, standard service procedures are recommended: checking the mating surfaces, verifying bolt sockets, and preparing the appropriate seal according to the vehicle manufacturer's recommendations. This approach allows for fully utilizing the potential of the part and ensuring stable engine operation.

Integration with other engine components

The cover works in conjunction with the lubrication system, the crankcase ventilation system, and the timing components in the rear part of the V10 engine. A correctly selected and installed component:

• limits the ingress of contaminants into the engine,
• supports proper oil vapor discharge,
• stabilizes the operation of components in the upper part of the cylinder head.

Thanks to the preservation of the factory design, the cover does not require modification of other sub-assemblies and can be installed in place of the original element removed from the engine.

Related categories and technical content

If you are planning a comprehensive repair or upgrade of your BMW engine area and need other parts from the same group, such as additional covers, mounts, or sealing elements, check out the available parts in the Other BMW category.

To better understand the structural differences between sports units and standard engines, including the impact of cylinder head covers, lubrication systems, and associated components on performance characteristics, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses key aspects of building high-performance engine versions.

If you are considering a wider use of second-hand components in your car of this brand, the guide Used parts for BMW – is it worth it? Key benefits for brand fans, which describes a practical approach to selecting used elements and their impact on operating costs, may also be helpful.

Summary

BMW E60 M5 E63 E64 M6 Cylinder Head Cover Engine Cylinders 6-10 is an original, used component designed for V10 engines in M5 and M6 models, allowing for the preservation of the factory engine design while optimizing repair costs. Choosing such a cover is a sensible solution for users who expect compliance with the manufacturer's design and a solid fit for the demanding, high-revving BMW unit.