Exhaust Manifold BMW E81 E82 E87 LCI E88 123d N47S Diesel Engine 7812259

The BMW E81 E87 LCI E88 123d N47S Exhaust Manifold is an original exhaust system component from the exhaust manifolds segment, designed for the N47S diesel engine in the 123d model. This used manifold ensures factory exhaust channel geometry, promoting stable diesel engine operation and proper exhaust gas evacuation. It's a solution for users seeking parts with preserved OEM construction, without altering the manufacturer's design.

Specifications and technical data

• SKU: 7812259
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7812259
• Substitutable numbers: 11627812259, 7812259, BG
• Fuel type: Diesel
• Category: Manifolds & Headers

Intended Use and Fitment for BMW 123d N47S

The presented exhaust manifold is designed to work with the N47S diesel engine in the BMW 123d model, across E81, E87 LCI, and E88 body styles. This means maintaining the correct positioning relative to the cylinder head, turbocharger, and the rest of the exhaust system, which is crucial for sealing and proper exhaust flow.

Thanks to its construction adhering to factory specifications, the manifold allows for the preservation of the engine's stock operating parameters, without the need for modifications to mounting points or additional adjustments. This is particularly important for diesel engines, where stable exhaust pressure and temperature affect the durability of auxiliary components.

Technical Characteristics of the Exhaust Manifold

The exhaust manifold in this BMW model operates under demanding temperature conditions typical for Diesel-powered engines. The applied design ensures proper routing of exhaust gases from individual cylinders to the subsequent part of the system, reducing the risk of localized overheating and leaks.

The main advantages of this solution include:

• factory exhaust channel layout, promoting even cylinder loading,
• compatibility with the turbocharger used in the N47S unit,
• compatibility with the stock exhaust system in the BMW 1 Series.

A used component allows for the preservation of the engine's original operating characteristics, which is important both for performance and for compliance with the factory ECU settings.

Condition, Origin, and Practical Application

The manifold is a salvaged part offered as a used OEM BMW part. This type of component is a good choice when the existing manifold has cracked, deformed, or shows signs of leaks, such as whistling during acceleration or soot marks around the connection to the cylinder head.

Replacing the exhaust manifold with an original used part allows for:

• restoring the proper sealing of the exhaust system,
• reducing power loss resulting from exhaust gas escaping before the turbocharger,
• minimizing noise and unwanted sounds in the engine bay.

For workshops and individual users, this is a solution that combines the preservation of factory design with a reasonable repair cost.

BMW Exhaust Manifolds – Selection and Alternatives

If you are looking for other BMW exhaust manifolds for different models or engine variants, check out our dedicated category: BMW exhaust manifolds. You will find a wide selection of salvaged parts there, making it easier to match components to a specific engine number and car year.

When selecting a manifold, it is worth paying attention to compatibility with the fuel type, engine generation, and auxiliary equipment configuration. In case of doubt, the engine designation and the parameters recorded in the vehicle's technical specification are a good reference point.

More About Exhaust Systems and Used Parts

If you want to better understand how the choice of manifold affects the operation of the exhaust system and turbocharger, as well as when it is worth opting for used parts, check out our guide: performance exhaust system – used manifolds and sport catalytic converters. You will find practical tips on selecting manifolds for brands like BMW, as well as a discussion of the most common problems encountered in exhaust systems.

Summary

The BMW E81 E87 LCI E88 123d N47S Exhaust Manifold is a solution for users who want to restore the proper operation of the exhaust system in a diesel engine while maintaining the factory design. A used OEM part allows for a technically correct repair, without compromising the fit with the cylinder head, turbocharger, and the rest of the exhaust. It is a practical choice for those who prioritize compliance with the manufacturer's design and predictable engine behavior.