BMW G11 G12 G30 G31 G38 Rear Brake Pad Wear Sensor Left Right N/O/S 6890791

BMW G11 G12 G30 G31 G38 Rear Brake Pad Wear Sensor Left Right is an original braking system component designed for precise monitoring of brake pad wear on the rear axle. Thanks to its perfect fit for specific BMW models and suitability for both left and right side installation, the sensor ensures stable monitoring of pad condition and helps maintain a high level of driving safety. This solution is particularly beneficial for servicing premium vehicles, where compliance with factory specifications is essential.

Specifications and technical data

• SKU: 6890791
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6890791
• Substitutable numbers: 6890791, 34356890791
• Location on the vehicle: Rear, Right, Left
• Category: Brake Pad Wear Sensors

Purpose and function in the braking system

The presented component belongs to the Brake pad wear sensor category and is used on the rear axle of the vehicle. Its task is to transmit information about the degree of brake pad wear to the onboard system, which allows for scheduling replacement at the right time, without the risk of damaging the brake discs.

The placement on the vehicle includes the rear left and right sides, which allows the sensor to be used in both rear axle calipers. This solution supports uniform wear monitoring and facilitates diagnostics during periodic inspections.

Compatibility with BMW models

The sensor has been designed for G-series BMW vehicles, including high-end sedans and estates. Using a dedicated solution for specific BMW generations translates into:

• secure fit to the factory mounting in the caliper and cable routing,
• compatibility with the original brake pad wear monitoring system,
• maintaining correct warning signaling on the instrument cluster.

As a result, the sensor can be used both during standard brake pad replacement and during more extensive service work within the rear braking system.

Performance characteristics and installation

The component is designed for installation in place of the factory sensor, which allows for maintaining the original cable routing and proper connection to the vehicle's electrical harness. Such a design reduces the risk of installation errors and facilitates service work, especially in workshop conditions.

The product comes from the used parts group, which makes it an attractive cost-effective alternative while maintaining compliance with OEM solutions. It is a good solution for maintenance repairs when functionality and fitment for a specific BMW model are the priority.

Practical application and benefits of replacement

A functional brake pad wear sensor affects the convenience of vehicle maintenance, as the driver receives clear information about the need for brake service. Replacing the component is recommended in situations where:

• a message about a sensor failure or broken circuit appears on the dashboard,
• the old sensor shows signs of mechanical damage during brake pad replacement,
• the cable is frayed or the insulation is compromised.

Selecting the right sensor for a specific BMW model helps avoid problems with system errors and ensures proper cooperation with the vehicle's electronics.

Expanding BMW brake service

If you are planning a comprehensive repair or upgrade of the braking area in your BMW and need other components from the same group, such as additional sensors, signal cables, or sensor harnesses, check out the available parts in the BMW brake pad wear sensor category.

When choosing a used sensor, it is also worth checking out practical tips regarding automotive electronics – a good supplement to your knowledge would be the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, where you will find advice on the conscious selection of electronic components in vehicles.