BMW 3 5 7 X5 Series E38 E39 E46 E53 DSC Hydro Unit Pressure Sensor 1165467

BMW 3 5 7 X5 Series E38 E39 E46 E53 DSC Hydro Unit Pressure Sensor is an electronic system component responsible for precise pressure measurement within the DSC hydraulic unit in BMW vehicles. As part of the Computers and Controllers group, the sensor works in conjunction with the control module, enabling stable operation of safety and traction control systems. Using this OEM component allows for a technically correct repair without the need for an expensive replacement of the entire hydraulic unit.

Specifications and technical data

• SKU: 1165467-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6904012
• Substitutable numbers: 34511165467, 1165467, 34510411721, 0411721, 0 265 005 303, 0265005303, PK
• Category: Control Modules

Purpose and function in the DSC system

The presented pressure sensor is mounted in the DSC hydraulic unit of 3, 5, 7, and X5 series models of the E38, E39, E46, and E53 generations. Its task is to provide the controller with accurate information about the pressure in the hydraulic circuit, which allows for:

• correct distribution of braking force on individual wheels,
• efficient operation of the electronic stability control system,
• effective cooperation with the ABS and traction control system,
• reduction of errors and fault messages related to the DSC module.

Thanks to this, the electronic system maintains operational consistency, and the vehicle retains predictable behavior in emergency situations.

Benefits of using an original BMW sensor

Choosing an original pressure sensor from the Computers and Controllers group ensures proper compatibility with the factory DSC controller. The main advantages of this solution include:

• maintaining factory operating parameters of the braking and stability system,
• proper electrical and mechanical fit to the hydraulic unit,
• reduced risk of recurring pressure-related system errors,
• the ability to restore full system functionality without interfering with the electrical wiring.

This solution is particularly beneficial for diagnosing faults where the DSC controller reports incorrect pressure values or unstable readings.

Condition, installation, and service aspects

The item is offered as a used OEM component, which allows for an economical repair while maintaining the manufacturer's original specifications. Before installation, it is recommended to:

• thoroughly clean the socket in the hydraulic unit,
• check the hydraulic connection for leaks,
• inspect the electrical wiring and connector for corrosion and mechanical damage,
• perform adaptation or clear errors in the controller after replacing the sensor.

This approach facilitates the restoration of stable DSC system operation and reduces the risk of the fault returning.

Practical application and part selection

BMW 3 5 7 X5 Series E38 E39 E46 E53 DSC Hydro Unit Pressure Sensor is suitable for both routine repairs and comprehensive DSC system regeneration in specialized workshops. Because it is an element from the electronic controllers and sensors group, its correct selection has a direct impact on:

• the stability of driver assistance systems,
• the absence of unwanted error messages on the instrument cluster,
• maintaining predictable vehicle behavior during emergency braking.

To select the correct sensor, it is worth referring to the manufacturer's markings and catalog data assigned to the specific BMW model.

Related items and further information

If you are planning a comprehensive repair or upgrade of the electronic control systems in your BMW and need other components from the same group, such as control modules, engine controllers, or traction control systems, check out the available parts in the BMW Computers and Controllers category.

When deciding whether to use a used sensor or control module, it is worth learning about best practices for selecting and installing such components – you can find practical tips in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.