BMW 3 Series E90 E92 E93 M3 1 Exhaust Manifold Cylinder 5-8 7842224

BMW 3 Series E90 E92 E93 M3 1 Exhaust Manifold Cylinder 5-8 is an original BMW exhaust system component, designed for the sporty V8 engine in the E9x generation M3 model. This used manifold from the Exhaust manifolds group ensures factory fitment, stable exhaust gas discharge, and maintains the characteristic performance of the M engine.

Specifications and technical data

• SKU: 7842224-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7842224
• Substitutable numbers: 11627842224, 7842224, 11627840478, 7840478
• Category: Manifolds & Headers

Purpose and function in the exhaust system

The presented manifold serves cylinders 5–8 in the V8 engine of the BMW M3 E90, E92, and E93 models, responsible for collecting exhaust gases from the rear cylinder bank and directing them evenly into the rest of the exhaust system. Thanks to a design consistent with the original BMW specifications, the correct exhaust flow sequence is maintained, which promotes stable engine operation and proper interaction with lambda sensors and other exhaust components.

An original exhaust manifold in this section of the system is particularly important when operating the vehicle under high-load conditions, typical for M3 versions – it ensures proper joint sealing, resistance to high temperatures, and predictable behavior during long-term driving.

Benefits of using an original BMW manifold

Using a factory BMW exhaust manifold instead of a worn or damaged part allows you to maintain engine performance parameters in accordance with the manufacturer's specifications. In practice, this means:

• secure fitment to the cylinder head and the rest of the exhaust system,
• stable exhaust flow without unwanted turbulence resulting from imprecise castings,
• proper interaction with the stock engine control unit and sensors,
• maintenance of the characteristic sound of the V8 M3 engine.

As a used part, the manifold represents a reasonable compromise between cost and maintaining original build quality. In many cases, this is a more predictable solution than cheap aftermarket replacements with uncertain channel geometry.

Condition, installation, and service application

The offered exhaust manifold comes from dismantling and is classified as a used original BMW part. This type of component is perfect for post-accident repairs, replacing a damaged manifold due to overheating or cracking, as well as restoring the car to a factory-like configuration after previous exhaust modifications.

Due to its factory origin, installation follows the standard mounting points provided by the manufacturer. For optimal results, it is recommended to use new gaskets and check the condition of the mounting bolts and studs in the cylinder head.

Technical support and exhaust system development

If you want to better plan the modernization or repair of the exhaust system in your BMW M3, it is worth checking out practical tips regarding the selection of used components. Extended information can be found in the article Performance exhaust system: used manifolds and sports catalytic converters on the road, where issues such as selecting manifolds for BMW and other premium brands are discussed.

If you are planning a comprehensive repair or modernization of the engine area in your BMW and need other components from the same group, such as manifolds for the other cylinder bank, connecting sections, or additional mounting hardware, check the available parts in the BMW exhaust manifolds category.

Summary

BMW 3 Series E90 E92 E93 M3 1 Exhaust Manifold Cylinder 5-8 is a practical solution for users who want to maintain the factory characteristics of the V8 engine and the consistency of the entire exhaust system. The original BMW design, predictable fitment, and favorable price-to-quality ratio make this used manifold a solid base for repairing or restoring the stock configuration in a sporty M3.