BMW E87 E90 E91 M47N2 118d 120d 318d 320d Exhaust Manifold 7791762

BMW E87 E90 E91 Exhaust Manifold M47N2 is an original part from the Exhaust Manifolds category, designed for the M47N2 engine in BMW 1 and 3 Series models. This used manifold ensures a factory fit to the exhaust system, maintaining the correct exhaust gas flow geometry and compatibility with engine ancillaries. It's a solution for users seeking OEM parts with a proven design, without the need to resort to unknown aftermarket replacements.

Specifications and technical data

• SKU: 7791762
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7791762
• Substitutable numbers: 11627791762, 7791762
• Category: Manifolds & Headers

Intended Use and Compatibility

The presented exhaust manifold is dedicated to the M47N2 unit fitted in BMW E87, E90, and E91 series. The manifold's construction has been designed for the specific arrangement of the cylinder head, turbocharger, and the rest of the exhaust system, which allows for maintaining correct engine operating parameters and stable thermal conditions.

Thanks to the use of original exhaust channel geometry, the manifold supports even cylinder loading and proper exhaust gas evacuation, which is important for both performance and the durability of the powertrain.

Construction and Technical Properties

The exhaust manifold for M47N2 features a robust, high-temperature-resistant construction, adapted for operation under high thermal and pressure loads. The arrangement of the outlets and mounting surfaces conforms to the original BMW design, which facilitates installation and reduces the risk of leaks.

Key functional features:

• factory fit to the cylinder head and turbocharger in the M47N2 engine,
• preservation of the original exhaust gas flow path,
• design intended for long-term operation at high temperatures,
• compatibility with the stock exhaust system of BMW E87, E90, E91.

Application in Service and Upgrades

A used BMW exhaust manifold for M47N2 is suitable for both standard exhaust system repairs and for restoring a car to its factory configuration after previous modifications. Choosing an original part helps to minimize fitting issues, which are common with some aftermarket alternatives, and simplifies service work.

In practice, this means:

• reduced risk of leaks at the junction with the cylinder head and turbocharger,
• retention of stock mounting points for ancillaries,
• stable operating conditions for the engine and boost system.

Condition and Benefits of Choosing OEM Parts

This part comes from the BMW OE group, meaning it is a part that conforms to the manufacturer's factory specifications. A used exhaust manifold of this type offers a reasonable compromise between cost and maintaining original quality of workmanship and fit. Compared to random aftermarket parts, an OEM part ensures predictable performance over longer service life.

For users planning to continue driving their car with the M47N2 engine, choosing an original manifold is a way to maintain the integrity of the entire exhaust system and reduce the risk of additional repairs resulting from imprecise part fitting.

More Manifolds and Technical Knowledge

If you are looking for other BMW exhaust manifolds for various models and engine configurations, check out our dedicated offer: BMW exhaust manifolds. You will find a wide selection of OEM and used parts, tailored to specific series and generations.

Want to better understand how the choice of manifold affects engine operation and the entire exhaust system? Check out the guide on our blog: performance exhaust system – used manifolds and sport catalysts, where we discuss the practical aspects of selecting used manifolds for BMW and other brands.