Exhaust Manifold BMW E90 E91 E93 E60 E65 E70 Diesel M57N2 Exhaust 7811449

BMW E90 E91 E93 E60 E65 E70 Diesel M57N2 Exhaust Manifold is an original exhaust system component from the BMW group, designed for M57N2 diesel engines. A used manifold from this series is a sensible, technically justified choice for repairing or upgrading the exhaust system in popular mid-range and premium BMW models. By maintaining the factory geometry, it ensures stable turbocharger operating conditions and proper exhaust gas removal.

Specifications and technical data

• SKU: 7811449
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7811449
• Substitutable numbers: 7811449, 11627811449, 7796886, 11627796886, 7801714, 11627801714
• Fuel type: Diesel
• Category: Manifolds & Headers

Purpose and Compatibility with M57N2 Diesel Engine

The exhaust manifold is designed to work with M57N2 Diesel units used in BMW E90, E91, E93, E60, E65, and E70 series. The appropriately selected design of the exhaust channels supports even exhaust gas removal from each cylinder, which is important for stable turbocharging operation and maintaining correct system pressure parameters.

Choosing a manifold dedicated to a specific engine family reduces the risk of installation problems, leaks, and incorrect turbocharger positioning relative to other exhaust system components.

Construction Characteristics of the Exhaust Manifold

As a component in the exhaust manifolds category, the product is responsible for collecting exhaust gases from individual cylinders and directing them to the rest of the system. The manifold's design in the M57N2 engine is engineered for:

• resistance to high temperatures and variable thermal loads,
• maintaining proper exhaust gas flow at different engine speeds,
• stable mounting of the turbocharger and other exhaust system components.

The factory geometry of the channels promotes the maintenance of stock engine performance parameters, which is important for both daily operation and a more dynamic driving style.

Benefits of Using an Original BMW Manifold

Using an original BMW exhaust manifold in the M57N2 engine allows for the consistency of the entire powertrain. Key benefits include:

• Factory Fitment – compatibility with the cylinder head, turbocharger, and accessories without the need for modifications.
• Stable Operating Parameters – proper exhaust gas removal reduces the risk of overheating and uneven cylinder loading.
• Optimal Cooperation with the Exhaust System – maintaining stock exhaust gas flow characteristics facilitates diagnostics and servicing.

For users who want to better understand the manifold's impact on the entire system, an article describing performance solutions and the selection of used components will be useful: performance exhaust system and used exhaust manifolds.

Condition, Origin, and OEM Aspect

The offered exhaust manifold is a used component, originating from original BMW production. This type of OEM component retains factory material and construction parameters, which is important for durability under high thermal loads typical for diesel engines.

If you want to learn more about the advantages of original parts over aftermarket alternatives, it's worth reading the material on our blog: why used original OEM parts are a safe choice.

Other BMW Exhaust Manifolds

If you are also looking for other BMW exhaust manifolds for different models or engine configurations, check out our dedicated category: BMW exhaust manifolds. This will allow you to easily compare available variants and select the right component for a specific engine and body version.