BMW E90 E91 LCI F07 F10 F11 F01 X5 E70 X6 E71 Throttle Body Diesel N57 7806231

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E90 E91 LCI F07 F10 F11 F01 X5 E70 X6 E71 Throttle Body Diesel N57 is an original intake system component designed for BMW diesel engines. The throttle body from this series ensures precise airflow control in diesel power units, which translates into stable engine operation and correct interaction with the control electronics. This solution is dedicated to users who expect factory fitment, predictable performance, and compatibility with the N57 system.

Specifications and technical data

• SKU: 7806231-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7806231
• Substitutable numbers: 7806231, 13547806231, A2C59514305, A2C83077100, A2C53279057
• Fuel type: Diesel
• Category: Throttle Bodies

Purpose and function of the throttle body in a BMW diesel engine

The throttle body in BMW N57 family engines plays a key role in managing the amount of air supplied to the combustion chamber, as well as in cooperating with the exhaust gas recirculation system and emission control systems. A properly selected component from the Throttle Bodies category allows for maintaining the correct operating parameters of the power unit, reducing vibrations when turning off the engine, and ensuring smooth transitions between different loads.

For BMW E90/E91 LCI, F07, F10, F11, F01 models, as well as X5 E70 and X6 E71 SUVs, a properly functioning throttle body has a direct impact on:

• idle stability in a diesel engine,
• correct response to load and changes in driving conditions,
• cooperation with the turbocharging system and exhaust emission systems,
• comfort of turning off the engine by reducing jerking.

Benefits of using an original BMW throttle body

The original throttle body dedicated to N57 units has been designed for specific airflow characteristics and diesel engine operating parameters. Thanks to this, it ensures:

• precise fit to the intake manifold and factory mounting points,
• consistent cooperation with the factory engine control unit and BMW software,
• preservation of factory airflow control maps,
• reduced risk of diagnostic errors resulting from unsuitable replacements.

The element from this group is particularly recommended for repairs where the priority is maintaining the stock operating parameters of the power unit and predictable vehicle behavior across the entire rev range.

Technical characteristics and compatibility

The throttle body is intended for diesel-powered engines, which means that its design, operating range, and control method are adapted to the specifics of BMW diesel units. Using the appropriate component in the intake system is important both for the durability of the equipment and for the correct operation of the vehicle's diagnostic systems.

The product comes from the BMW group and complies with the brand's factory standards regarding build quality, electrical parameters, and mechanical fitment with other intake system components. As a result, it can be used as a replacement part in vehicles equipped with a throttle body compatible with the N57 engine.

Product condition and service application

The offered throttle body is a used aftermarket part, which allows for an economical repair of the intake system while maintaining the original BMW specification. This type of solution is often chosen in situations where the existing component shows signs of wear, such as unstable engine operation, errors related to the throttle position, or problems with smooth engine shutdown.

Before installation, it is recommended to perform a standard verification of the electrical connector, throttle axis, and body tightness to ensure proper operation after installation. A properly selected and functional component allows for restoring the correct operating culture of the diesel engine and reducing the risk of recurring faults in the air control area.

Expanding the intake system in BMW – related components

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

For drivers interested in comparing solutions used in different brands and sports versions, an interesting addition to your knowledge may be an article describing the structural differences in power units, braking systems, and chassis – more information can be found in the material Audi RS vs other models – what is hidden under the hood and chassis?.