BMW 3 Series E90 E92 E93 M3 Valve Control Solenoid SOLV Engine 7843117

BMW 3 Series E90 E92 E93 M3 Valve Control Solenoid SOLV Engine is an original engine control system component designed for precise engine regulation in sports versions of the 3 Series. Thanks to the factory BMW specification, it ensures consistency with the engine control unit software and stable operating parameters. This is a practical solution for users who want to restore the proper functioning of the control system without compromising on fitment.

Specifications and technical data

• SKU: 7843117
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7843117
• Substitutable numbers: 11367843117, 7843117, 11367841700, 7841700, 11367838467, 7838467, EM
• Category: Other Engine Parts

Purpose and function in the BMW M3 engine

The presented solenoid is a component of the engine control system in BMW 3 Series E90, E92, and E93 M3 models. It is responsible for controlling the flow of the working medium in the valve control system, which translates into the proper operation of the engine across the entire rev range. A properly functioning valve helps maintain stable power characteristics, correct throttle response, and consistent performance.

Replacing a worn or faulty component with an original BMW part reduces the risk of engine control unit errors, rough idling, or power drops under higher loads. This is particularly important in high-performance M3 engines, where control precision has a direct impact on engine durability and refinement.

Benefits of using an original solenoid

Using a factory solenoid in the valve control system provides a number of practical operational benefits:

• maintaining compatibility with factory BMW engine control maps,
• reducing the risk of improper timing and valve control system operation,
• stable engine performance in both road and track conditions,
• easier diagnostics – the component's operating parameters are known to BMW service systems.

For users upgrading or servicing the engine system in an M3, choosing an original component from the BMW group is a safe and predictable solution in terms of operation. Consistency with other control system components minimizes the risk of unplanned downtime and additional diagnostic costs.

Condition, origin, and fitment

The offered solenoid comes from the BMW parts line and is classified as an element from the Other group, meaning it belongs to specialized engine system components that do not fall into typical maintenance categories. The product is used, which in practice means a favorable price-to-quality ratio while maintaining the manufacturer's original specification. This is a good proposition for informed users who are looking for a factory solution instead of replacements with uncertain parameters.

Before purchasing, it is worth verifying the compatibility of the part with the specific engine version and vehicle year using the VIN number and BMW catalogs. This approach helps avoid installation problems and ensures that the solenoid will work with the existing electrical harness and engine control unit.

Technical support and BMW project development

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as solenoids, sensors, or control modules, check the available parts in the Other BMW category.

For more extensive projects related to performance improvements or engine servicing, it is worth expanding your knowledge about the specifics of sports versions and differences in drivetrain construction. A good starting point is reading an article comparing sports variants to standard versions, available here: Audi RS vs other models – what is hidden under the hood and chassis?. This will allow you to better understand how important the quality of engine control elements is in high-performance cars.

If you are also interested in the topic of more modern BMW units and want to consciously plan purchases of engine accessory components, the guide regarding the turbocharger and intercooler in newer 3 Series generations may be helpful: BMW B58 code – checklist before buying a turbocharger and intercooler for the 3 Series (G20). This is a practical supplement to knowledge for those who service or modify several cars as part of one fleet or project.