Exhaust Manifold BMW F10 F90 M5 F13 F91 M6 Engine Pipes Cylinder 2,3,5,8 7849461

The BMW F10 F90 M5 F13 F91 M6 S63N Cylinder 2,3,5,8 Exhaust Manifold is an original exhaust system component designed for high-performance BMW M engines. Thanks to its factory geometry and precise fit to the S63N engine head, it ensures stable exhaust gas evacuation from cylinders 2, 3, 5, and 8, and proper cooperation with other exhaust system components. This solution is for users who want to maintain consistency with the factory design and avoid issues with leaks or incorrect exhaust gas flow in the demanding M5 and M6 engines.

Specifications and technical data

• SKU: 7849461-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7849461
• Substitutable numbers: 7849461, 11627849461, 7843781, 11627843781
• Category: Exhaust Gaskets

Intended Use and Compatibility with S63N Engine

The presented exhaust manifold is designed to work with the S63N engine installed in BMW F10 M5, F90 M5, F13 M6, and F91 M6 models. It serves a specific set of cylinders (2, 3, 5, 8), which is important for proper temperature distribution, exhaust pressure, and cooperation with turbochargers and the rest of the exhaust system. Using an original BMW solution allows for maintaining factory exhaust flow parameters and reducing the risk of thermal stress in the cylinder head area.

Construction and Role in the Exhaust System

The manifold plays a crucial role in directing exhaust gases from the combustion chambers to further system components, working in conjunction with elements from the BMW Exhaust Gaskets group. Properly shaped channels collect exhaust gases from the assigned cylinders and direct them to the rest of the system, which affects the engine's running smoothness, boost pressure stability, and engine bay temperature. The OEM construction is optimized for high-load operation typical of M5 and M6 models, where the exhaust system must handle high flow rates and exhaust temperatures.

Benefits of Using an Original BMW Manifold

Using an original BMW exhaust manifold to replace a worn or damaged component allows you to:

• maintain proper sealing of the connection to the cylinder head and other exhaust system components,
• preserve the factory operating characteristics of the S63N engine,
• reduce the risk of leaks, overheating of adjacent components, and performance drops,
• avoid fitment issues typical of aftermarket alternatives.

For users of high-performance M5 and M6 versions, choosing an original solution is particularly important, as the exhaust system operates under extreme thermal and pressure conditions. The factory manifold geometry helps maintain engine operating stability, which translates to predictable vehicle behavior both in daily use and during dynamic driving.

Condition, Origin, and Service Application

This part is a used component, removed from a vehicle, and offered for an economical repair while maintaining original BMW quality. This type of component is particularly useful for:

• repairs after overheating or manifold cracking,
• resolving leaks at the connection to the cylinder head or turbocharger,
• restoring the original exhaust system configuration after previous modifications.

Choosing a used OEM part is often a sensible compromise between cost and quality, especially for high-performance engines where fitment and material properties directly impact the durability of the entire system.

If you are planning a comprehensive repair or upgrade of the exhaust system area in your BMW and need other components from the same group, such as manifold gaskets, joint gaskets, or sealing rings, check the available parts in the BMW Exhaust Gaskets category.

Technical Support and Knowledge of OEM Parts

When working with high-performance engines like the S63N, understanding the differences between OEM parts and random aftermarket alternatives is crucial – this applies not only to manifolds but to the entire drivetrain. To better plan repairs on your car and make informed choices about original components, it's worth reading the guide: Whining differential? Find out why a used OEM differential is a better investment than an uncertain replacement. The article helps to understand why used factory parts often provide better parameter consistency than cheap replacements of unknown origin.