BMW 3 Series E90 E92 M3 Throttle Body Position Hall Sensor Unit 7841706 7841704

BMW 3 Series E90 E92 M3 Throttle Body Position Hall Sensor Unit is an original component from the Cables, harnesses and connectors group, designed for precise integration with BMW factory electronics. This used OEM component ensures consistent operating parameters with the vehicle's electrical system, which translates into stable control system performance and easier diagnostics.

Specifications and technical data

• SKU: 7841704
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7841706
• Substitutable numbers: 13627841704, 7841704, 13547838021, 7838021, 7841706, EM
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the BMW M3 Hall sensor

The Hall sensor in the BMW E90, E92 and E93 M3 is responsible for accurately transmitting signals to the vehicle's control units, working with the electrical system via dedicated cables and connectors. A properly functioning component of this type is crucial for the correct interpretation of signals by control modules, which affects engine performance and the stability of onboard systems.

The original BMW solution from this component group has been designed to maintain the correct signal characteristics, resistance to interference, and compatibility with the factory wiring harness. As a result, installation is straightforward and orderly, with no need for modifications to the electrical system.

Advantages of using an original BMW component

Choosing a used, original BMW Hall sensor offers a number of practical technical benefits:

• Full compatibility with the electrical system – the component comes from the same family of parts as the factory BMW equipment, which facilitates installation and minimizes the risk of connector fitment issues.
• Stable operating parameters – the original design ensures the correct signal characteristics, which promotes proper control unit operation and reduces the risk of diagnostic errors.
• Seamless integration with the harness – the component is designed to work with the cables and connectors used in this generation of BMW M3, allowing you to maintain factory order in the engine bay or the specific installation area.
• Reasonable cost-to-quality compromise – a used OEM component allows you to reduce repair costs while maintaining the vehicle's original technical specifications.

For users who want to better understand why original OEM components – even used ones – are a safe and cost-effective choice, we have prepared a practical guide: OEM quality assurance and safety – why used original car parts are the best choice for your vehicle?.

Integration with the electrical system – cables, harnesses and connectors

The Hall sensor in this offer belongs to the Cables, harnesses and connectors group, which highlights its close connection to the vehicle's electrical infrastructure. Proper classification within this group of components means that the element has been designed with the following in mind:

• correct positioning relative to the electrical harness,
• the appropriate type of connector compatible with factory wiring,
• maintaining the tightness and resistance of connections to operating conditions in the engine bay or other areas of the vehicle.

Such fitment helps maintain the clarity of the electrical system, facilitates service, and reduces the risk of damage resulting from mechanical stress or improper cable routing.

Product condition and service application

The offered BMW Hall sensor comes from the group of used components, making it an attractive solution for service repairs, upgrades, or replacements of elements within the electrical system. This type of part is particularly useful in situations where you want to maintain the vehicle's original specifications while optimizing maintenance costs.

In practice, this means the ability to restore the correct operation of control systems without having to resort to replacements with uncertain characteristics. For workshops specializing in the BMW brand, it is also a convenient solution in terms of installation repeatability and predictable repair results.

Expansion and service of BMW electrical systems – related components

If you are planning a comprehensive repair or upgrade of the electrical system in your BMW and need other components from the same group, such as additional harnesses, connectors, or sections of signal cables, check out the available parts in the BMW cables, harnesses and connectors category.