BMW E46 E60 E61 E83 LCI Exhaust Manifold M47N2 7790219

BMW E46 E60 E61 E83 LCI Exhaust Manifold M47N2 is an original component from the Exhaust manifolds group, designed for use in BMW E46 and E60 diesel engines. This used OEM manifold ensures a factory-fit to the cylinder head, proper exhaust gas flow, and stable operation of the exhaust system during daily use. It is a solution for users seeking a technically verified component instead of universal aftermarket replacements.

Specifications and technical data

• SKU: 7790219
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7790219
• Substitutable numbers: 11627790219, 7790219, 11627787633, 7787633
• Category: Manifolds & Headers

Technical characteristics of the BMW exhaust manifold

The exhaust manifold in a diesel engine is responsible for collecting exhaust gases from individual cylinders and directing them evenly to the rest of the system. In the case of BMW E46 and E60 models, maintaining the correct channel geometry is crucial to preserve proper backpressure, reduce power loss, and ensure stable turbocharger operation. Using an original BMW design helps maintain the engine's factory performance parameters and minimizes the risk of leaks at the cylinder head interface.

Why choose an original BMW exhaust manifold

Choosing a used, original exhaust manifold for a BMW E46 / E60 is particularly beneficial when you want to:

• maintain factory fitment to the cylinder head and other exhaust system components,
• preserve the stock performance parameters of the diesel engine without experimenting with channel geometry,
• reduce the risk of cracks and deformations typical of cheaper replacements,
• ensure consistency with other OEM components in the engine bay.

A used OEM part is a reasonable compromise between cost and quality – especially for older BMW generations, where both durability and the ability to install it seamlessly in place of the factory manifold are important.

Purpose and application in the exhaust system

BMW E46 E60 E61 E83 LCI Exhaust Manifold M47N2 is designed for installation at the cylinder head of the diesel engine, where it operates under high temperatures and heavy mechanical loads. A properly selected manifold:

• ensures a tight connection with the cylinder head and the rest of the exhaust system,
• stabilizes exhaust gas flow, which influences engine smoothness,
• reduces the risk of blow-by, which can cause power loss and incorrect sensor readings,
• supports proper interaction with the turbocharger and exhaust gas treatment components.

Thanks to its original design, the manifold fits well with BMW service requirements and facilitates keeping the vehicle in a condition close to factory specifications.

Condition, origin, and installation aspects

The offered item comes from disassembly and is classified as a used BMW exhaust manifold. This type of part is a good choice for maintenance repairs when the existing manifold has cracked, deformed, or shows signs of leakage. Installation is performed in place of the factory component, using appropriate gaskets and mounting hardware selected for the specific diesel engine in the BMW E46 or E60.

Exhaust system expansion and technical knowledge

If you want to better understand the impact of the manifold on engine performance and operating characteristics, or if you are considering exhaust system modifications using used OEM and performance parts, it is worth consulting specialized materials. A practical discussion on the topic can be found in the article Performance exhaust system: used manifolds and sports catalytic converters on the road, which describes, among other things, the selection of manifolds for BMW and other premium brands.

BMW exhaust manifolds – selection and alternatives

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 manifolds, connection elements, or connecting sections, check the available parts in the BMW exhaust manifolds category.