BMW F74 Gran Coupé Crash Impact Sensor Door Front Left Right N/O/S 5A67847

BMW F74 Gran Coupé Front Left Right Door Impact Sensor is an original part designed for precise integration with the factory safety systems in BMW models. This specialized sensor is responsible for reliably detecting impacts in the front door area, supporting the correct operation of the vehicle's protection systems. Its tailored fit for the specific BMW Gran Coupé body structure ensures seamless integration with the car's electronics and stable performance parameters.

Specifications and technical data

• SKU: 5A67847
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A67847
• Substitutable numbers: 5A67847, 65775A67847
• Location on the vehicle: Front, Left, Right
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and Function in the Vehicle

The presented impact sensor is designed for installation in the front door area, on either the left or right side, allowing for flexible use of the component depending on service needs. It is responsible for transmitting information about sudden structural stress in the door area to the control units, which is crucial for the proper response of passive safety systems.

Its placement on the vehicle has been selected to ensure the sensor operates under optimal conditions, maintaining appropriate sensitivity and signal repeatability. This allows the system to react faster and more accurately to road incidents where the protection of passengers seated near the front doors is critical.

Compatibility with BMW F74 Gran Coupé

The Front Left/Right Door Impact Sensor has been developed with the specific electrical architecture of the BMW F74 Gran Coupé in mind. Using an original BMW Group solution ensures compatibility with factory wiring harnesses, control modules, and the logic of the safety systems. This is particularly important for components responsible for impact detection, where not only mechanical fit but also electrical parameters and communication methods with the vehicle's electronics are crucial.

Choosing a component from the same product family as the factory equipment minimizes the risk of diagnostic errors, incorrect readings, or the need for installation modifications. For workshops and users, this means simpler installation and more predictable performance after replacement.

Component Characteristics and Application Benefits

As a BMW Group component, the door impact sensor is built for long-term operation in demanding conditions. The housing and connectors are designed for installation in the body area exposed to temperature changes and vibrations, which is important for signal stability over time. The design allows for unambiguous positioning relative to mounting points, facilitating correct alignment during servicing.

Key benefits of using this sensor in the BMW F74 Gran Coupé include:

• maintaining consistency with the vehicle's factory safety architecture,
• the possibility of use on either the left or right front side, simplifying parts selection,
• reducing the risk of incorrect interaction with control modules due to compatibility with BMW solutions,
• easier diagnostics based on standard service procedures used for this brand.

Component Condition and Service Application

The offered impact sensor is part of the used BMW components group, making it an attractive solution for post-accident repairs, replacements after safety system activation, or for resolving errors related to impact detection in the door area. Choosing such a component allows for restoring the system's proper function while maintaining a favorable cost-to-functionality ratio.

Due to the sensor's importance for safety, installation in a specialized workshop using appropriate diagnostic procedures is recommended. After installation, system tests should be performed to confirm correct communication with the vehicle's electronics and the absence of active errors in the control unit memory.

Related Components and Safety System Development

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

To compare solutions used in different brands and better understand how manufacturers design powertrains and components that interact with advanced electronics, an article discussing the structural differences in sports models may be helpful. More information can be found in the blog post Audi RS vs. Other Models – What Lies Under the Hood and Chassis?.