Mini Cooper S R52 R53 Throttle Body Assembly Housing 1503358

Mini Cooper S R52 R53 Throttle Body Assembly Housing is a precision intake system component designed for Mini Cooper S R52 and R53 generation models. It is responsible for the precise metering of air into the engine, which translates into stable engine operation, predictable throttle response, and consistent performance. By using an original Mini solution from the Throttle Bodies category, the part maintains factory operating parameters and compatibility with the vehicle's electronics.

Specifications and technical data

• SKU: 1503358-2
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 1503358
• Substitutable numbers: 13541503358, 1503358
• Part type: Throttle Body
• Category: Throttle Bodies

Function and role of the throttle body in the Mini Cooper S R52 R53

The throttle body in Cooper S R52/R53 versions is a key component for controlling the amount of air drawn into the engine. It works in conjunction with the engine management system, sensors, and intake hardware to maintain the correct air-fuel mixture across the full load range. A properly functioning throttle body ensures:

• stable idle speed,
• smooth response to accelerator pedal input,
• consistent power and torque characteristics,
• seamless integration with the factory engine control unit software.

For forced-induction units like the Cooper S, a properly selected throttle body is essential for maintaining correct boost pressure and predictable vehicle behavior during dynamic driving.

Why choose an original Mini throttle body

Using an original Mini throttle body in R52 and R53 models allows you to maintain factory mechanical and electrical fitment. This means:

• secure fitment with the intake manifold and hardware,
• proper cooperation with the wiring harness and engine control unit,
• no need for installation modifications or mechanical adaptations,
• preservation of the engine's original performance characteristics.

For users who expect predictable vehicle behavior and want to avoid adaptation issues, an original throttle body is a safe and technically sound solution. In the case of the Mini Cooper S, where the intake system operates under higher loads, this is particularly important for durability and parameter consistency.

Application in service and diagnostics

The throttle body in the Mini Cooper S R52 R53 is a component frequently diagnosed during issues with fluctuating idle, jerking during acceleration, or engine control unit errors related to the intake system. Replacing it with a functional unit often restores:

• proper idle operation,
• smooth acceleration without lag,
• stable parameter values read by the engine control unit.

After installation, it is recommended to perform a throttle adaptation procedure in accordance with the vehicle manufacturer's guidelines so that the engine control unit correctly interprets the limit positions and the current position of the throttle flap.

Condition, origin, and fitment

The offered Mini throttle body comes from the Throttle Bodies group and is a component intended for re-installation in Mini Cooper S R52 and R53 vehicles. The product is classified as used, meaning it has been removed from a vehicle and is intended for further use after proper installation and potential adaptation. This type of solution is cost-effective while allowing you to maintain the original intake system specifications.

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other components from the same group, such as throttle bodies, throttle control elements, or throttle housings, check out the available parts in the Mini Throttle Bodies category.

Additional technical support

When selecting used brake system components, such as discs, calipers, or ABS modules, it is worth following a proven procedure for verifying technical condition and compatibility. Detailed tips on how to safely choose such components in specialized stores can be found in the article: Second-hand brake system: how to safely choose discs, calipers, and ABS?.