Description
The BMW E46 ABS DSC Booster Pump is a specialized component in the ABS controllers category, designed for the stability and braking system in BMW 3 Series E46 models. This solution allows for the restoration of proper ABS/DSC system operation, ensuring stable performance of the braking system’s electronics and hydraulics.
Specifications and technical data
- SKU: 1166087
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 1166087
- Substitutable numbers: 1166087, 34511166087, 1165046, 34511165046, 1165552, 34511165552
- Category: ABS Control Modules
Purpose and Function in the ABS/DSC System
The ABS/DSC booster pump is responsible for generating and maintaining adequate pressure within the system, enabling precise control of braking force at individual wheels. In conjunction with wheel speed sensors and the DSC control module, this component:
- supports the ABS anti-lock system during hard braking,
- stabilizes the vehicle in emergency situations, when traction is lost,
- allows for smooth pressure modulation in the brake circuits.
This provides the driver with more predictable vehicle response, and the active safety system operates according to factory specifications.
Technical Characteristics and Compatibility
The offered pump belongs to the group of original BMW components, which means maintaining factory operating parameters and proper integration with the electrical and hydraulic systems in the BMW E46. The element is designed as part of a system integrated with the DSC module, therefore its application allows for:
- correct cooperation with the factory ABS/DSC controller,
- maintaining the original braking system’s operating characteristics,
- minimizing the risk of communication errors within the vehicle network.
The product has an assigned OEM part number and a set of replacement numbers, which facilitates verification of compatibility with a specific car configuration. If in doubt, it is advisable to compare the markings with the currently installed component or service documentation.
Condition, Origin, and Benefits of Using a Used Part
The pump is offered as a used part, sourced from dismantling. Such components are often chosen by BMW owners looking for a reasonable compromise between repair cost and maintaining the vehicle’s original specifications. Using a used OEM part allows for:
- maintaining the consistency of the ABS/DSC system with the car’s factory configuration,
- reducing repair costs compared to purchasing a new module,
- preserving the high quality of workmanship characteristic of original parts.
An additional benefit is the environmental aspect – the reuse of functional components reduces waste and aligns with the idea of responsible vehicle servicing.
Safety of Selection and Installation
To fully utilize the potential offered by the BMW E46 ABS DSC Booster Pump, correct part matching to the specific car version and professional installation are crucial. Installation in a specialized service center is recommended, which will:
- verify the compatibility of part numbers and connectors,
- perform brake system bleeding and adaptation,
- check the correct operation of the ABS/DSC system after installation.
If you want to check step-by-step what to pay attention to when buying used brake system components, use the guide: check how to safely select used discs, calipers, and ABS components. For those interested in the ecological and economic aspects of choosing parts from dismantling, the following material will also be helpful: learn more about eco-tuning and the use of recycled parts.
Summary
The BMW E46 ABS DSC Booster Pump is a functional element of the safety system, dedicated for use with the stability control system in the BMW 3 Series E46. Choosing an original ABS controller in a used version allows for restoring proper system operation, maintaining factory braking parameters, and optimizing repair costs, while simultaneously reducing environmental impact.
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