BMW F10 M5 F06 F12 F13 M6 S63N Intake Manifold Air Inlet System Cyl. 5-8 7843275

BMW F10 M5 F06 F12 F13 M6 S63N Intake Manifold Air Inlet System Cyl. 5-8 is an original air intake system component designed for S63N petrol engines in high-performance BMW M5 and M6 models. Engineered for precise air distribution to cylinders 5–8, it supports stable engine operation under high loads and dynamic driving conditions. This is the ideal solution for users who expect factory compatibility, predictable performance parameters, and consistency with the original engine architecture.

Specifications and technical data

• SKU: 7843275
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7843275
• Substitutable numbers: 7843275, 11617843275
• Fuel type: Petrol
• Category: Intake Manifolds

Purpose and function in the S63N engine

The presented manifold belongs to the Intake Manifolds category and is responsible for delivering the correct volume of air to the second bank of cylinders (5–8) in the S63N V8 engine. In high-output petrol engines, proper airflow directly impacts:

• stability at high RPM,
• performance repeatability during intense acceleration,
• proper interaction with the forced induction system and engine management,
• maintenance of the correct air-fuel mixture within the operating range.

Thanks to a design matched to the geometry of the S63N cylinder head, the manifold supports uniform cylinder filling, which is particularly crucial in performance-oriented vehicles such as the M5 F10 or M6 F06/F12/F13.

Compatibility and integration with the intake system

The manifold was developed specifically for BMW M5 and M6 family models equipped with the S63N petrol engine, ensuring full integration with the factory intake system. This ensures the retention of:

• original mounting points for the engine and accessories,
• compatibility with stock hoses, sensors, and control elements,
• airflow parameters specified by the manufacturer.

Such a fit minimizes the risk of engine control unit adaptation issues, facilitates installation, and allows for maintaining engine performance characteristics consistent with factory specifications.

Characteristics of the used component

The offered manifold is a used part, which in practice means it has been removed from a vehicle and may show signs of wear typical for this category of parts. At the same time, it retains its structural functionality and can be used as a replacement during the repair or restoration of the intake system in an S63N engine. Choosing a used intake manifold is often a cost-effective solution while maintaining the original manufacturer's specifications.

Application in service practice

This intake manifold model is suitable for situations where it is necessary to:

• replace a damaged or leaking manifold in an S63N engine,
• restore the completeness of the intake system after mechanical repairs,
• revert to the stock configuration after previous modifications.

By maintaining the original geometry and being designed for cylinders 5–8, the manifold helps maintain uniform operation of both cylinder banks, which is significant for the refinement and durability of the engine.

Technical support and part selection

The component has an assigned OEM part number and associated interchangeable numbers, which facilitates its identification and selection for a specific engine variant and vehicle model year. If necessary, compatibility can be verified via the VIN or catalog data to ensure trouble-free installation and proper cooperation with other intake system components.

If you are planning a comprehensive repair or upgrade of your BMW's engine bay and need other parts from the same group, such as additional manifolds, intake duct components, or intake housings, check out the available parts in the BMW Intake Manifolds category.

For users interested in a broader context of modifications and selecting components for high-performance engines, we recommend our blog article: Performance exhaust systems: used manifolds and sports catalytic converters on the road, where we discuss the practical aspects of using pre-owned components in BMW and other brand vehicles.