Mini Cooper D R55 R56 W16 Intake Manifold Air Pressure Sensor 7798121

Description

The Mini Cooper D R55 R56 Intake Manifold Flange is an original part from the Intake Manifolds group, designed for the intake system in Mini vehicles. Engineered as an OEM part, it ensures proper air routing to the engine and stable cooperation with the factory intake manifold, which translates to correct engine performance parameters.

Specifications and technical data

• SKU: 7798121
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7798121
• Substitutable numbers: 11617798121, 7798121
• Category: Intake Manifolds

Purpose and Function in the Intake System

The intake manifold flange in Mini Cooper D R55/R56 models is responsible for a sealed and stable connection of intake system components, directing air from the appropriate section of the installation to the manifold. A correctly selected component from this group:

• maintains proper airflow to the cylinders,
• reduces the risk of leaks and power loss,
• supports smooth engine operation across the full load range,
• ensures correct compatibility with factory sensors and accessories.

By using an original flange from the Intake Manifolds group, dimensional and structural compliance with the factory Mini intake system is maintained, facilitating installation and subsequent operation.

Technical Characteristics and Fitment

As an OEM part in the Intake Manifolds category, the flange has been specifically designed for the engine geometry used in the Mini Cooper D R55 and R56. This means:

• appropriately selected shape and passage diameter,
• compatible mounting points relative to the manifold and other intake components,
• maintenance of factory tolerances, which minimizes stress and the risk of cracks,
• direct replacement capability for a worn or damaged part.

Such precise fitment is particularly important in modern diesel engines, where stable airflow affects running smoothness, fuel consumption, and exhaust emissions.

Component Condition and Service Application

The offered intake manifold flange is a used part, which in practice means the possibility of an economical repair of the intake system while maintaining the original manufacturer’s specifications. This type of component is suitable for situations where:

• the original flange has cracked or deformed,
• leaks are present in the connection area with the intake manifold,
• the part needs replacement after intervention in the intake system or engine removal.

Using an original flange helps reduce the risk of fitment issues, common with cheaper aftermarket alternatives, and simplifies service work due to predictable geometry and factory mounting points.

Benefits of Using an Original Intake Flange

Choosing an original intake manifold flange for the Mini Cooper D R55/R56 is a solution that combines reasonable costs with the preservation of factory engine performance parameters. Key advantages include:

• compliance with the original intake system design,
• stable connection with the intake manifold and other intake components,
• reduction of the risk of installation errors due to manufacturer-intended geometry,
• possibility of use in repairs restoring the original engine configuration.

For workshops and individual users, this means a predictable service outcome and a reduced risk of comebacks for corrections related to leaks or improper fitment.

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other parts from the same group, such as flanges, intake sections, or transition elements, check the available parts in the Mini Intake Manifolds category.

To better understand the relationships between the intake and exhaust systems and to consciously select used components, it is worth consulting a guide describing the practical aspects of selecting manifolds and performance parts – you can find it in the article Performance Exhaust System: Used Sport Manifolds and Catalytic Converters on the Road.

If you want to plan a wider range of service work more efficiently and gather various original used parts in one place – from engine components to small mounting details – the guide on One-Stop-Shop purchases, available in the material Comprehensive Sourcing: From Engine to the Smallest Clip, may be helpful.