BMW E90 E91 E60 E61 M57N2 330d 530d Diesel Exhaust Manifold 7801714

BMW E90 E91 E60 E61 M57N2 330d 530d Diesel Exhaust Manifold is a factory exhaust system component designed for BMW diesel engines, engineered to ensure stable engine performance. This used manifold, sourced from the original BMW production line, ensures proper exhaust gas discharge from the cylinders, which promotes smooth engine operation and correct torque characteristics. It is a solution for users seeking a technically matched component rather than universal replacements.

Specifications and technical data

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

Purpose and role in the exhaust system

The exhaust manifold in the M57N2 diesel engine is responsible for collecting exhaust gases from individual cylinders and directing them to the turbocharger and subsequent exhaust system components. A correctly selected and sealed manifold:

• stabilizes exhaust gas pressure at the cylinder head outlet,
• reduces the risk of power drops resulting from leaks,
• supports the proper operation of the turbocharger,
• helps maintain proper temperatures in the engine bay.

Thanks to a design consistent with BMW's factory specifications, the BMW E90 E91 E60 E61 M57N2 330d 530d Diesel Exhaust Manifold allows for maintaining the engine's performance characteristics in line with the manufacturer's design.

Technical characteristics and fitment

The presented item belongs to the Exhaust manifolds category and is intended for diesel-powered engines. This means that its geometry, channel cross-sections, and mounting method have been developed for the specific operating conditions of diesel units – higher exhaust pressures, different temperature ranges, and mechanical loads.

Original BMW origin promotes:

• proper fitment with the cylinder head and turbocharger,
• preservation of factory mounting points for accessories,
• easier installation without the need for modifications.

For the user, this means predictable installation and the ability to maintain the stock exhaust system configuration, which is particularly important for daily-driven vehicles.

Condition, application, and benefits of choosing a used manifold

The offered manifold is a used part, which allows for lower repair costs compared to a new OEM part, while maintaining the factory design. This solution is particularly beneficial in cases of:

• repairs following a crack or deformation of the previous manifold,
• restoring the stock configuration after previous modifications,
• economical exhaust system regeneration in fleet or heavily used vehicles.

Choosing an original, used BMW exhaust manifold allows you to avoid problems typical of cheap replacements, such as inaccurate mating surfaces, different mounting positions, or altered exhaust channel geometry.

Technical support and exhaust system development

If you are considering a broader upgrade of the exhaust system or want to better understand the impact of the manifold on the performance and durability of a diesel engine, it is worth consulting specialized materials. Practical tips on selecting used manifolds and other system components can be found in the article Performance exhaust system: used manifolds and sports catalytic converters on the road, which discusses, among other things, compatibility issues and safe modifications.

Other items from the same group

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