BMW F22 Intake Manifold M235i N55 N55B30A 3.0 Petrol 70323536

BMW F22 Intake Manifold M235i N55 N55B30A 3.0 Petrol is an original intake system component designed for the N55 petrol engine used in the sporty M235i model. Thanks to its factory geometry and precise fitment to the cylinder head, it ensures stable cylinder filling conditions, which translates into predictable performance and proper engine operation. This is the ideal solution for users who want to maintain compliance with factory specifications and avoid issues with aftermarket replacements.

Specifications and technical data

• SKU: 70323536
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 70323536
• Substitutable numbers: 70323536, 757691110
• Fuel type: Petrol
• Part type: Intake Manifold
• Category: Intake Manifolds

Purpose and function in the N55 engine

The intake manifold in the N55 engine is responsible for the even distribution of the air-fuel mixture to all cylinders, which is crucial for smooth operation, throttle response, and the stability of the 3.0 petrol unit's performance parameters. The design, adapted to the characteristics of the turbocharged inline engine, allows for maintaining proper airflow across the entire rev range, from city driving to dynamic acceleration. A properly selected manifold in this model minimizes the risk of power drops, rough idling, or ECU errors related to incorrect cylinder filling. Using a component that matches the factory design is particularly important in higher-power units like the M235i, where the intake system operates under higher loads.

Benefits of using an original intake manifold

Choosing an original BMW intake manifold for the N55 engine allows you to maintain consistency with the factory engine control unit calibration and turbocharging system parameters. As a result, you:

• maintain predictable torque and power characteristics,
• reduce the risk of leaks in the intake system,
• ensure proper compatibility with engine accessories and sensors,
• increase the chance of passing inspections and computer diagnostics without issues. The Intake Manifolds category includes components that have a direct impact on how the petrol engine draws in air, which is why selecting the right component is important for both engine durability and driving comfort.

Installation and operational characteristics

The precise manufacturing of the manifold dedicated to the M235i with the N55 engine facilitates installation in place of the factory part, without the need for structural modifications. Properly designed mounting points and the shape of the intake runners promote airtightness and correct airflow management. In the case of petrol engines, it is particularly important to maintain clean and stable airflow, which is why using the correct manifold helps reduce turbulence and unwanted pressure drops in the intake system. This solution is recommended both for standard operation and for more dynamic driving styles typical of F-series models with the M badge.

Use in service and upgrades

BMW F22 Intake Manifold M235i N55 N55B30A 3.0 Petrol is perfect for replacing a worn or damaged part in daily-driven cars, as well as in vehicles undergoing modifications within factory specifications. A used component allows for optimized repair costs while maintaining compliance with the manufacturer's original design. 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 intake manifolds, air duct elements, or other intake system components, check out the available parts in the BMW Intake Manifolds category.

More knowledge about intake and exhaust systems

For users interested in a broader context of how the intake system works in conjunction with the exhaust and the impact of these elements on petrol engine performance, we have prepared a guide. Read the article Performance exhaust system: used manifolds and sports catalytic converters on the road to better understand how choosing the right components affects the engine's operating characteristics in BMW and other premium brands.