BMW 1 3 5 F10 F20 F21 F30 125d 325d 525d N47S1 Engine Exhaust Manifold 7823221

BMW F10 F20 F21 F30 N47S1 Exhaust Manifold is an original part from the exhaust manifolds category, designed for BMW models with the N47S1 engine. The used manifold ensures factory channel geometry, which promotes proper exhaust gas flow and stable engine operation, while also being an economical solution for professional exhaust system repairs.

Specifications and technical data

• SKU: 7823221
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7823221
• Substitutable numbers: 11627823221, 7823221, BG
• Category: Manifolds & Headers

Intended Use and BMW Fitment

The presented exhaust manifold is designed for popular BMW F10, F20, F21, and F30 series with the N47S1 engine. This means maintaining the correct mounting spacing, appropriate channel shape, and compatibility with the factory exhaust system and engine head, which facilitates installation and reduces the risk of leaks.

Thanks to the use of original OEM construction, the manifold works with standard heat shields and other system components, allowing engine operating parameters to be maintained at the level specified by the manufacturer.

Construction and Technical Characteristics

The exhaust manifold from this BMW series features a compact, durable construction designed for high temperatures and significant thermal load. Properly routed exhaust channels promote uniform cylinder emptying, which is important for engine smoothness and durability.

Original manufacturing ensures:

• stable connection to the engine head and the rest of the exhaust system,
• appropriately selected wall thickness for crack resistance,
• retention of factory mounting points for accessories and shields.

This allows the manifold to be used for both standard replacement of a worn part and for comprehensive overhaul of the exhaust system in BMW F-series vehicles.

Condition, Verification, and Service Application

The part is a used item from disassembly and is offered as a used part, which significantly reduces repair costs while maintaining original manufacturer specifications. This type of manifold is particularly useful in situations where the existing part has cracked, deformed, or is leaking, causing power loss, increased noise, or engine malfunctions.

In workshops specializing in the BMW brand, this manifold is used, among other things, for:

• exhaust system repairs after mechanical damage,
• eliminating leaks at the head-manifold interface,
• comprehensive overhauls of N47S1 engines in F10, F20, F21, F30 models.

Benefits of Using an Original BMW Manifold

Using an original BMW exhaust manifold allows for exhaust flow parameters consistent with the factory design. This translates to stable engine operation, correct boost pressure values (in relevant engines), and proper interaction with the engine control system.

Key benefits include:

• factory fitment for the N47S1 engine in F10, F20, F21, F30 body styles,
• retention of original exhaust flow characteristics,
• installation without structural modifications.

For users and service centers, this means shorter installation times, a lower risk of operational problems, and easier diagnosis of potential future faults.

More Information on Exhaust Systems and Used Parts

If you are planning a broader upgrade or repair of your exhaust system and want to better understand the differences between stock and performance solutions, as well as how to select used parts, it is worth reading our guide: Performance Exhaust Systems and Used Performance Manifolds and Catalytic Converters. You will find practical tips on selecting manifolds for BMW and other premium brands.

If you also need other parts from the exhaust manifolds category for this brand, for example, for a comprehensive repair or upgrade of the exhaust system, check the available parts in the BMW Exhaust Manifolds category.