Throttle Body BMW X3M F97 X4M F98 Petrol S58 Throttle Assembly Unit 8053336

Throttle Body BMW X3M F97 X4M F98 Petrol S58 Throttle Assembly Unit is a component from the Throttle Bodies category, designed for S58 petrol engines in the high-performance BMW X3M F97 and X4M F98 models. This used throttle body allows for a technically correct replacement of a worn-out part, maintaining the factory performance characteristics of the engine and stable air intake control. It is an ideal solution for users who expect proven, original flow geometry and full compatibility with the factory engine management system.

Specifications and technical data

• SKU: 8053336
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8053336
• Substitutable numbers: 8053336, 13548053336
• Fuel type: Petrol
• Tire profile: 65535
• Category: Throttle Bodies

Purpose and function of the throttle body

The throttle body in the S58 engine is responsible for precisely metering the amount of air drawn into the cylinders, which directly affects throttle response, idle stability, and overall engine refinement. In the X3M F97 and X4M F98 models, this component works in conjunction with the electronic control system, making the use of the correct throttle body crucial for maintaining proper fuel injection and ignition maps.

By choosing this product, you receive a component designed specifically for the S58 petrol engine, which minimizes the risk of adaptation issues, ECU errors, or unstable idle. Dedicated fitment for the specific engine unit translates into predictable vehicle behavior across the entire load range.

Benefits of using an original BMW throttle body

Using a genuine BMW throttle body ensures:

• retention of factory throttle opening characteristics in the driving modes offered by the X3M and X4M,
• proper cooperation with the engine management system and driver assistance systems,
• consistency with the factory intake system and engine peripherals,
• reduced risk of malfunctions resulting from the use of unsuitable aftermarket replacements.

For users who drive their BMW dynamically, consistent throttle response is essential. A properly selected throttle body helps maintain predictable vehicle behavior both in daily driving and under higher engine loads.

Application in the S58 petrol engine

The S58 engine is a high-revving petrol unit where stable airflow and precise throttle control are vital for performance and component longevity. This throttle body is designed for use with petrol fuel, which is significant in terms of combustion characteristics and intake system requirements.

When paired with a properly calibrated engine control unit, the correct throttle body helps maintain smooth engine operation, proper transitions between loads, and stable idle in various operating conditions. This is particularly important in high-power vehicles like the X3M and X4M, where the intake system operates under a wide range of pressures and temperatures.

Product condition and installation aspects

The offered throttle body is a used component, which allows for an economical replacement while maintaining the original design. This type of solution is often chosen for repairs where compliance with the factory design and the ability to install it in place of the existing part without interfering with the wiring is a priority.

During installation, it is recommended to:

• check the tightness of connections in the intake system,
• inspect the condition of the seals working with the throttle body,
• perform a throttle adaptation in the engine control unit if required by service procedures.

This approach helps minimize the risk of leaks, diagnostic errors, and uneven engine operation after replacement.

Integration with other BMW intake system components

The throttle body in the X3M F97 and X4M F98 works with the intake manifold, forced induction system, and engine management system. Structural consistency with other BMW components facilitates the maintenance of proper airflow and reduces the risk of malfunctions resulting from component mismatch.

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

For those who want to learn more about selecting used components, our guide may be helpful – more information can be found in the article The best used car parts – a guide to the most frequently chosen original parts.