BMW M5 F10 M6 F12 F13 Cylinder Head Cyl. 5-8 S63N V8 7603475

BMW M5 F10 M6 F12 F13 Cylinder Head Cyl. 5-8 S63N V8 7603475 is an original part from the Cylinder Heads group, designed for the S63N V8 gasoline engine in the sporty BMW M5 F10 and M6 F12/F13 models. This used cylinder head covering cylinders 5-8 provides a solid foundation for professional repair or rebuild of the powertrain, maintaining factory geometry and flow parameters. This is a solution for users who want to restore engine functionality while adhering to OEM construction.

Specifications and technical data

• SKU: 2118178
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2118178
• Substitutable numbers: 2118178, 11122118178, 7634596, 11127634596, 1559900, 11121559900, 7603475
• Fuel type: Petrol
• Part type: Cylinder Head
• Category: Cylinder Heads

Purpose and Compatibility

The presented cylinder head is dedicated to the S63N V8 gasoline engine, where it serves cylinders 5-8. This type of configuration is characteristic of high-revving, turbocharged BMW units used in the M5 F10 and M6 F12/F13 models, where the precision of execution and thermal stability of the upper engine components are crucial for durability and performance.

The original cylinder head design ensures the preservation of factory intake and exhaust ports, proper valve guides, and correct seating against the engine block. This allows for the restoration of the engine's original operating parameters after a failure or wear of the previous component.

Technical Characteristics and Role in the Engine

The cylinder head in the S63N V8 engine is responsible for forming the combustion chamber, guiding the valves, and integrating with the fuel supply and exhaust systems. For cylinders 5-8, maintaining sealing, dimensional stability, and adequate structural rigidity is particularly important to withstand the loads typical of high-power units.

In practice, this means that a correctly selected cylinder head enables:

• maintaining the correct compression ratio in each of the serviced cylinders,
• stable valve operation at high rotational speeds,
• efficient heat dissipation from the combustion chamber area,
• seamless cooperation with the engine accessories designed for the M5 and M6 versions.

By adhering to the original design specifications, the cylinder head serves as a suitable starting point for further service work, such as machining, skimming, or refurbishment according to the specific engine's requirements.

Benefits of Using an Original BMW Cylinder Head

Using an original cylinder head from the Cylinder Heads group in the S63N V8 engine maintains the structural integrity of the entire powertrain. This means compatibility with factory manifolds, cooling systems, and mounting components, which facilitates installation and reduces the risk of operational issues.

The main advantages of this solution include:

• Factory Port Geometry – ensures predictable cylinder filling and repeatable operating parameters.
• Compatibility with Engine Accessories – no need for modifications to factory cooperating parts.
• Potential for Professional Refurbishment – a used cylinder head provides a good basis for further machining in a specialized workshop.
• Consistency with BMW Service Documentation – facilitates diagnostics and subsequent maintenance.

Practical Application in Service

The cylinder head for cylinders 5-8 in the S63N V8 engine is particularly useful in situations where thermal or mechanical damage, or cracks, have occurred in the original component. Replacing it with an original used cylinder head helps reduce costs compared to purchasing a new component, while maintaining a high level of technical compatibility.

Before installation, standard workshop procedures are recommended, such as checking the flatness of the mating surface, verifying valve seats and guides, and testing port sealing. A cylinder head prepared in this way can be safely used in the engine rebuild process, restoring its proper operating characteristics.

Expanding Repair Scope – BMW Cylinder Heads

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and require other parts from the same group, such as cylinder head bodies for other cylinders, valve covers, or additional upper engine components, check the available parts in the BMW Cylinder Heads category.