BMW F10 F90 M5 F13 F91 M6 Exhaust Manifold Engine Pipes Cylinder 1,4,6,7 7843780

BMW F10 F90 M5 F13 F91 M6 Exhaust Manifold Engine Pipes Cylinder 1,4,6,7 is an original exhaust system component designed for high-performance BMW 5 and 6 series models, ensuring proper exhaust gas discharge from the engine unit. Thanks to its factory geometry and precise fitment to the cylinder head, the manifold maintains correct operating parameters, which translates into stable power and torque characteristics. This is a solution for users looking for a proven component that complies with factory specifications for demanding applications.

Specifications and technical data

• SKU: 7843780
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7843780
• Substitutable numbers: 7843780, 11627843780
• Category: Manifolds & Headers

Purpose and compatibility

The exhaust manifold has been designed for the powerful engines used in the BMW F10 and F90 M5 as well as the F13 and F91 M6, where the exhaust system operates under high thermal and pressure loads. The manifold's construction is adapted to the specific spacing of the exhaust ports and the cylinder layout in these models, which allows for the maintenance of factory exhaust flow parameters.

Proper fitment to the cylinder head and other exhaust system components reduces the risk of leaks, improper exhaust discharge, or unwanted vibrations. This is particularly important in high-performance vehicles, where the stability of the exhaust system affects the engine's overall refinement.

Construction and operating characteristics

This element belongs to the Exhaust manifolds category, meaning it is responsible for collecting exhaust gases from individual cylinders and directing them to the rest of the system. The geometry of the manifold channels has been developed to minimize flow turbulence and ensure the most uniform cylinder scavenging possible, which helps maintain the engine's stock performance.

Factory manufacturing ensures proper positioning relative to the turbochargers or subsequent sections of the exhaust system (depending on the specific configuration of the given model), which facilitates installation and subsequent maintenance. As a result, the manifold can be used both as a replacement part during repairs and when restoring a vehicle to a configuration close to factory condition.

Condition, service application, and installation

The offered manifold is a used part, which in practice means an opportunity for an economical repair of the exhaust system while maintaining the manufacturer's original specifications. This type of component is particularly useful in situations where thermal damage, cracks, or deformation of the existing manifold have occurred, and the priority is to preserve the vehicle's factory characteristics.

During installation, it is recommended to use new gaskets and check the flatness of the mating surfaces against the cylinder head and other system components. A correctly installed manifold reduces the risk of exhaust leaks, unwanted noises, and performance drops. In high-power vehicles such as the M5 and M6, this has a direct impact on engine durability and operational stability under heavy loads.

Benefits of using an original BMW manifold

Using an original manifold in high-performance BMW models offers a number of practical benefits:

• Factory fitment – maintaining the original geometry and mounting points facilitates installation and integration with other system components.
• Stable engine operating parameters – proper exhaust flow supports uniform cylinder scavenging and consistent performance.
• Reduced risk of leaks – proper adhesion to the cylinder head and subsequent sections of the exhaust system reduces the risk of blow-by.
• Solution compliant with manufacturer specifications – especially important in cars driven dynamically or prepared for intensive use.

Exhaust system expansion and technical knowledge

If you want to better understand how the choice of a manifold affects engine characteristics and what the possibilities are for modifying the exhaust system in premium-class cars, it is worth consulting specialized materials. Practical tips regarding the selection of used manifolds and performance parts can be found in the article Performance exhaust system: used manifolds and sports catalytic converters on the road, which discusses issues related to the operation and modernization of exhaust systems in premium brand vehicles.

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 additional manifold sections, connecting elements, or exhaust downpipes, check the available parts in the BMW Exhaust Manifolds category.