BMW F20 LCI F30 Mini F55 F56 Diesel Throttle Housing Assy 8512452

BMW F20 LCI F30 Mini F55 F56 Diesel Air Throttle Body 8512452 is an original throttle body from the BMW group, designed for diesel engines. This component is responsible for precise control of the intake air volume, which is crucial for stable engine operation, smooth running, and proper turbocharger system functionality. Thanks to its factory design, it ensures a perfect fit for dedicated BMW and Mini models, without the need for modifications.

Specifications and technical data

• SKU: 8512452-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8512452
• Substitutable numbers: 13548512452, 8512452
• Fuel type: Diesel
• Category: Throttle Bodies

Technical Characteristics of the BMW Diesel Throttle Body

The offered throttle body belongs to the Throttle Bodies category and has been specifically designed to work with Diesel engines in selected BMW F-series and Mini models. The component's design is adapted to the requirements of modern diesel units, where air flow control affects not only power but also exhaust emissions and the operation of related systems (including exhaust gas recirculation and the turbocharger system).

As a part from the BMW group, the throttle body retains the factory geometry of the air ducts and mounting points, which facilitates installation and reduces the risk of leaks. The use of original design also promotes proper cooperation with the engine control electronics, which is particularly important in modern common rail systems.

Application in BMW F20 LCI, F30, and Mini F55 F56 Models

The Diesel air throttle body is intended for use in BMW F-series vehicles and selected Mini models, where it serves as a key component of the intake system. In practice, this means:

• maintaining proper airflow across the entire RPM range,
• cooperation with the factory engine control unit software,
• maintaining stable idle speed and smooth throttle response,
• optimal operating conditions for the turbocharger and exhaust gas treatment system.

Thanks to its precise fit for specific engine families, installing this throttle body allows for the restoration of correct engine operating parameters in case of wear or damage to the existing component.

Condition, Origin, and Benefits of Choosing a Used BMW Part

The offered throttle body is a used component, sourced from a dismantled vehicle from the BMW group. Choosing an original, used part is a solution that combines reasonable cost with the preservation of factory specifications. Compared to low-quality aftermarket alternatives, an original throttle body offers a better fit to the intake manifold and predictable performance over the long term.

By using an original component, you minimize the risk of engine control unit adaptation issues, diagnostic errors, and intake system leaks. This is particularly important in diesel engines, where even minor deviations in air volume can lead to a loss of power, increased smoke, or uneven engine operation.

Why Choose BMW Diesel Throttle Bodies

Replacing the throttle body in a diesel engine is an investment that directly impacts driving comfort and operational safety. Using an original BMW diesel throttle body allows you to:

• maintain stable engine operation under full load conditions,
• reduce the risk of malfunctions related to incorrect air control,
• maintain compliance with the engine's factory parameters,
• facilitate future diagnostics and servicing due to the component's predictable behavior.

For workshops and individual users, this means fewer returns to the service center and more predictable repair outcomes. The BMW Diesel air throttle body is a solution that restores correct engine operating characteristics without compromising on fit.

Other BMW Throttle Bodies and Technical Knowledge

If you are also looking for other throttle bodies dedicated to vehicles of this brand, check out our BMW throttle bodies category, where you will find a wide selection of intake components for various models and engine versions.

When planning comprehensive powertrain servicing, it is also worth expanding your knowledge on component selection. A guide on transmissions may be helpful, available in the article Gearbox: Manual, Automatic, or DSG – Common Faults and a Used Gearbox Buying Guide, which helps in making informed decisions when purchasing used drivetrain components.