BMW E61 Rear Wheel Left Right N/O/S DSC Wheel Carrier Brake Sensor 6771701

BMW E61 Rear Wheel Left Right N/O/S DSC Wheel Carrier Brake Sensor is an original brake system component responsible for precise wheel speed measurement on the rear axle. Thanks to this sensor, the ABS system can effectively control braking force, improving vehicle stability and driving safety. This solution is designed for installation on the right or left side of the rear axle in BMW 5 Series E61 models, ensuring full compatibility with factory electronics.

Specifications and technical data

• SKU: 6771701
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6771701
• Substitutable numbers: 34526771701, 6771701, 34526760047, 6760047
• Location on the vehicle: Rear, Right, Left
• Category: Additional Brake Sensors & Switches

Function and role of the ABS wheel speed sensor

The ABS wheel speed sensor on the rear axle is responsible for generating a signal that the brake system controller uses to regulate pressure in the brake circuits. A properly functioning component:

• enables effective ABS system operation during emergency braking,
• supports the operation of electronic stability control systems,
• prevents wheel lock-up on slippery surfaces,
• reduces tire wear through more uniform braking.

Thanks to its precise fit for the specific BMW model, the sensor works with the factory controller without the need for system modifications, which translates into stable brake system performance and predictable vehicle behavior.

Application and vehicle placement

The presented sensor is designed for installation on the rear axle of the BMW E61, with the possibility of mounting it on either the right or left side. This solution simplifies part selection during service, as one type of component can serve both sides of the vehicle.

Placement in the immediate vicinity of the wheel hub allows for accurate rotational speed readings, which is crucial for the correct operation of the ABS system. Proper installation and correct routing of the signal cable minimize the risk of interference and mechanical damage during operation.

Benefits of using an original BMW sensor

Using an original wheel speed sensor in a BMW E61 offers a range of practical service and operational benefits:

• Full system compatibility – the connector and sensor geometry are matched to the factory mounting points, facilitating installation.
• Consistency with the ABS controller software – no need for adaptation or parameter modification.
• Stable operating parameters in typical road conditions, including varying temperatures and humidity.
• Can be used as a replacement for several reference numbers within the same parts group.

Choosing an original component from the Other brake sensors and switches group helps reduce the risk of ABS system errors and incorrect readings that could occur when using generic aftermarket replacements.

Characteristics of the used product

The offered ABS wheel speed sensor is a used part, sourced from vehicle dismantling. This type of part, when subjected to proper verification procedures, can be an economical and functional service solution for vehicles used on a daily basis. A used component allows for maintaining the efficiency of the brake system at lower repair costs compared to new parts.

If you want to learn more about the specifics of the used auto parts market and dispel doubts regarding their quality, it is worth reading the article Used car parts: Myths and facts you need to know, which discusses common driver concerns and practical arguments in favor of making an informed choice for such solutions.

Upgrading the brake system in a BMW

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, switches, or elements interacting with the ABS system, check the available parts in the Other BMW brake sensors and switches category.