BMW 5 6 Series E60 M5 E63 M6 Petrol S85 Engine Cylinder Head Right 1-5 7833877

BMW 5 6 Series E60 M5 E63 M6 Petrol S85 Engine Cylinder Head Right 1-5 is an original component from the Cylinder Heads group, designed for the S85 unit in sports BMW 5 and 6 Series models. It provides a solid foundation for professional repair or rebuilding of the right side of the engine, ensuring the preservation of factory geometry and the performance characteristics of this high-revving petrol unit.

Specifications and technical data

• SKU: 7833877
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7833877
• Substitutable numbers: 11127833877, 7833877, ŁS
• Location on the vehicle: Right
• Fuel type: Petrol
• Category: Cylinder Heads

Purpose and compatibility

The presented BMW 5 6 Series E60 M5 E63 M6 Petrol S85 Engine Cylinder Head Right 1-5 is dedicated to sports versions of the BMW 5 Series E60 M5 and 6 Series E63 M6 with a petrol engine. The component is mounted on the right side of the V10 unit, serving cylinders one through five, which is crucial for the proper distribution of thermal and mechanical loads in this advanced engine.

The original BMW design guarantees proper routing of intake and exhaust ports, appropriate placement of valve seats, and precise fitment to the S85 engine block without the need for modifications or adaptations.

Technical characteristics and role in the engine

The cylinder head is responsible for forming the combustion chamber, guiding the air-fuel mixture, and exhausting gases in a high-revving petrol engine. In the S85 unit, a correctly selected and prepared cylinder head has a direct impact on:

• stable compression in each of the five cylinders on the right side,
• precise operation of the timing and valve system,
• efficient heat dissipation from the combustion chamber area,
• maintaining factory power parameters and throttle response.

By maintaining the original geometry of the ports and combustion chambers, the cylinder head allows for the preservation of the dynamic and linear performance characteristic of the S85 across the entire rev range.

Benefits of using an original BMW cylinder head

Using an original cylinder head from the BMW Cylinder Heads group in an S85 engine brings a number of practical service and operational benefits:

• secure fitment to the engine block and accessories without the need for modifications,
• preservation of factory dimensional tolerances, essential for high-RPM operation,
• possibility of professional regeneration using standard BMW service procedures,
• easier diagnostics and condition monitoring in the future due to compliance with manufacturer documentation.

For engines with such an advanced design as the S85, choosing an original cylinder head is particularly important from the perspective of durability and repeatability of performance parameters after repair.

Condition, preparation, and service application

The component comes from a used vehicle, making it an attractive base for further workshop processing – resurfacing, leak testing, verification of valve seats, or potential replacement of guides and seals. This type of cylinder head is often chosen by specialized workshops dealing with the rebuilding of S85 units, where compliance with the original and the possibility of precise regeneration are paramount.

In combination with a properly prepared intake system, exhaust system, and timing components, the cylinder head allows the S85 engine to regain its proper operating culture, load response, and the driving characteristics typical of the M5 and M6.

Support in selection and additional information

If you are considering whether a used original part or a replacement is a better solution in your case, our practical guide may be helpful: 5 reasons why a used OEM part is a better choice than a replacement. You will find specific selection criteria there regarding costs, durability, and ease of installation.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional cylinder heads, covers, or mounting elements, check out the available parts in the BMW Cylinder Heads category.