Intake Pipe BMW F20 F21 F30 F31 LCI B47 Manifold AGR Engine 8573872

Intake Pipe BMW F20 F21 F30 F31 LCI B47 Manifold AGR Engine is an original exhaust gas recirculation system component designed for the B47 engine family in post-facelift versions. Thanks to its factory geometry and precise fitment to the EGR manifold, it ensures stable exhaust gas flow and proper cooperation with other engine components. This is the ideal solution for users seeking a proven OEM part instead of aftermarket replacements with uncertain parameters.

Specifications and technical data

• SKU: 8573872
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8573872
• Substitutable numbers: 8573872, 11618573872
• Category: Other Exterior Parts & Accessories

Purpose and function in the EGR system

The EGR manifold pipe in the B47 engine is responsible for the precise redirection of exhaust gases back into the intake system. A properly selected pipe minimizes leaks, reduces the risk of ECU errors, and helps maintain stable engine operating parameters. In BMW F20 and F30 LCI models, the correct selection of this component is crucial for:

• maintaining proper exhaust gas recirculation across the entire load range,
• ensuring compliance with factory engine control maps,
• reducing power drops resulting from leaks or blockages in the EGR system.

Construction and fitment for BMW F20 / F30 LCI B47

The EGR manifold pipe has been designed specifically for the engine bay architecture of the post-facelift BMW F20 and F30 with the B47 unit. This ensures the retention of factory geometry, proper routing relative to the manifold, EGR cooler, and other hoses, as well as compatibility with original mounting points. As a result, installation is straightforward and predictable, without the need for modifications or custom adjustments.

The original origin of the component promotes the cohesion of the entire intake and exhaust system, which is particularly important in modern diesel engines that are sensitive to changes in exhaust and airflow.

Condition, verification, and service application

The offered pipe is a removed part and is a used OEM component, which allows for combining factory fitment with more cost-effective maintenance. This type of part is suitable both for standard replacement of a worn-out pipe and for repairs related to EGR system failures, such as leaks, cracks, or overheating of adjacent components.

In practice, the EGR manifold pipe is often replaced in parallel with other exhaust gas recirculation system components, which helps reduce the risk of repeated disassembly and shortens vehicle downtime in the workshop.

Benefits of using an original EGR manifold pipe

• Factory fitment for BMW F20 and F30 LCI B47 – no installation issues, compatibility with original brackets and seals.
• Stable EGR system operation – proper exhaust gas flow, lower risk of diagnostic errors and limp mode.
• Service solution with predictable parameters – maintaining engine performance characteristics consistent with the manufacturer's design.
• Opportunity to optimize repair costs – used OEM component as an alternative to new parts.

Service expansion and related components

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other parts from the same group, such as hoses, pipes, or additional mounting elements, check out the available parts in the Other BMW category.

When working on the intake, exhaust, and exhaust gas recirculation systems, it is also worth noting the design differences between individual model lines and engine versions. For a comparison of the characteristics of sports units and their equipment, you can refer to the guide Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate components depending on the vehicle's purpose.

Summary

Intake Pipe BMW F20 F21 F30 F31 LCI B47 Manifold AGR Engine is a practical solution for users and workshops that prioritize original fitment and predictable EGR system performance. Using a factory component helps maintain the stability of the B47 engine, reduces the risk of leaks, and ensures compliance with the manufacturer's specifications, which translates into more reliable vehicle operation after the repair is completed.