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

BMW S85 Engine Cylinder Head Right for 5 Series E60 M5 and 6 Series E63 M6 models is a precise, original component of the timing system and combustion chamber, designed for V10 gasoline engines. This right cylinder head for cylinders 1–5 has been specifically engineered for the demanding operating conditions of the high-revving S85 engine, ensuring stable operation and proper cylinder filling parameters.

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 offered cylinder head comes from the BMW Cylinder Heads family, dedicated to the sporty M5 E60 and M6 E63 versions with the S85 gasoline engine. The component is intended for the right side of the engine unit, serving the first bank of cylinders in the V configuration. Thanks to its construction in line with factory BMW standards, the cylinder head maintains the correct geometry of the intake and exhaust ports, which promotes efficient mixture and exhaust gas flow.

As part of the original cylinder head system in the S85 engine, the component ensures:

• correct valve guiding and stable operation of the timing mechanism,
• adequate sealing of the combustion chamber under high loads,
• consistency with the factory parameters of the gasoline engine.

Technical Characteristics and Role in the Engine

The right-side cylinder head in the V10 engine is responsible for cooperation with pistons, valves, spark plugs, and fuel supply system components. In the S85 gasoline engine, this is crucial for:

• maintaining the correct compression ratio in each of the serviced cylinders,
• precise control of the fuel-air mixture flow,
• stable operation at high rotational speeds typical for M versions.

By adhering to the factory design, the cylinder head works with original ancillary components, which facilitates installation and maintains the consistency of the entire engine system. This solution is particularly important when repairing high-power units, where precise fitment and predictable behavior under load are essential.

Condition, Application, and Benefits of Installation

The offered cylinder head is a used part, making it an attractive option for repairing S85 engines, where new components are less available and more expensive. Choosing such a component allows for:

• restoring the correct operation of the right side of the engine without the need for a costly replacement of the entire unit,
• maintaining the original BMW design specifications,
• effective repair in case of mechanical or thermal damage to the previous cylinder head.

With proper preparation for installation (inspection, machining, selection of gasket and ancillaries), the cylinder head can be used for both standard repairs and more advanced engine unit rebuilds in M5 E60 and M6 E63 vehicles.

BMW Cylinder Heads – Engine System Expansion and Modernization

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

Additional Technical Support

When working with high-power gasoline units like the S85, proper preparation of the fuel system and maintaining correct operating parameters are crucial. If you want to deepen your knowledge of fuel system diagnostics and operation, check out the guide Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Regeneration, which helps to better understand the relationships between the cylinder head, fuel system, and overall engine condition.