BMW 1 3 Series F20 F21 F30 F31 LCI Valve Control Solenoid SOLV 7639993

BMW 1 3 Series F20 F21 F30 F31 LCI Valve Control Solenoid is an original engine control system component designed for selected 1 and 3 Series models. Thanks to the factory BMW specification, it ensures precise operation and stable performance parameters of the power unit. This is a practical solution for users who want to maintain consistency with the vehicle's factory design and preserve proper performance.

Specifications and technical data

• SKU: 7639993
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7639993
• Substitutable numbers: 11417639993, 7639993
• Category: Other Engine Parts

Purpose and function of the solenoid valve

The solenoid valve used in the BMW F20, F21, F30, and F31 is responsible for the precise control of one of the engine's auxiliary circuits (e.g., oil or vacuum circuit – depending on the specific unit configuration). A properly functioning valve allows for maintaining:

• stable engine operation across the entire RPM range,
• correct response to load and changing driving conditions,
• consistency with factory engine control unit maps.

Thanks to this component, the control system can regulate the flow of the working medium in a controlled manner, which translates into predictable vehicle behavior and reduces the risk of diagnostic errors.

Advantages of using an original BMW component

Choosing an original BMW solenoid valve primarily ensures a perfect fit for the specific F-series platform. The component has been designed to work with factory engine equipment, which means:

• it fits standard mounts and electrical connectors,
• it works with the original control unit software,
• it reduces the risk of leaks and installation problems.

Such a solution is particularly beneficial for the maintenance of daily-driven vehicles, where operational predictability and maintaining factory-like parameters are essential.

Characteristics and practical application

The solenoid valve from this series is used in modern BMW power units where many functions are performed electronically. In practice, this means that:

• improper valve operation can cause a drop in performance or the appearance of error messages,
• replacing it with a functional component restores correct control values,
• using a component compliant with factory specifications facilitates diagnostics and future service.

This solution is recommended both for typical maintenance repairs and for more extensive work in the engine equipment area, where the consistency of all sub-assemblies is important.

Condition and benefits of choosing a used component

The offered solenoid valve is a used component, which allows for reducing repair costs while maintaining the original BMW specification. For many users, this is a reasonable compromise between price and quality, especially in the case of intensively used models where service economy is a priority. A used OEM component retains its factory design and geometry, which facilitates trouble-free installation.

Related components and system expansion

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other elements from the same group, such as additional control valves, vacuum lines, or auxiliary lubrication system components, check out the available parts in the Other BMW category.

For users interested in comparing solutions used in different brands and sports versions, including powerful RS variants, material discussing differences in the construction of engines, brakes, and chassis may be useful – you can find it in the article Audi RS vs other models – what is hidden under the hood and chassis?.