BMW M3 F80 M4 F82 S55 High Pressure Vacuum Pump 7847203

BMW M3 F80 M4 F82 S55 High Pressure Vacuum Pump is an original component from the Vacuum pumps group, designed for the S55 petrol engine. Engineered by BMW, it ensures stable generation of the vacuum required for the proper operation of vacuum-controlled systems in the high-performance M3 F80 and M4 F82 models.

Specifications and technical data

• SKU: 7847203
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7847203
• Substitutable numbers: 7847203, 11667847203
• Fuel type: Petrol
• Part type: Vacuum Pump
• Category: Vacuum Pumps

Purpose and function in the S55 engine

The vacuum pump in the S55 engine is responsible for generating the appropriate level of vacuum for auxiliary systems, such as engine accessory controls or selected brake system modules. In the high-output, petrol-powered M3 F80 and M4 F82 units, a stable vacuum is crucial for consistent performance and predictable vehicle response to driver input.

The original BMW design allows for maintaining factory operating parameters, which is particularly important in cars used dynamically, on the track, or under conditions of increased thermal and mechanical load.

Construction and technical characteristics

The component belongs to the Vacuum pumps group and is designed specifically for the requirements of the S55 petrol engine. The pump's architecture is adapted to high RPMs and the variable operating conditions of the power unit, ensuring adequate efficiency across the entire load range.

Original BMW manufacturing means precise fitment with the mounting seat in the cylinder head and compatibility with factory vacuum lines. As a result, installation is straightforward, without the need for system modifications or the use of additional adapters.

Condition, installation, and service application

The pump is offered as a used part, which allows for an economical repair of the vacuum system while maintaining the manufacturer's original specifications. This type of component is particularly useful in situations where symptoms such as reduced efficiency of vacuum-controlled systems, unstable accessory operation, or error messages related to insufficient vacuum occur.

Replacing the vacuum pump in the S55 engine is a standard service operation performed in specialized workshops dealing with BMW M models. Using an original component allows for maintaining factory operating parameters, which is important for both the durability of the power unit and operational safety.

Benefits of using an original BMW vacuum pump

• Factory compatibility with the S55 engine in the BMW M3 F80 and M4 F82 – no need for system modifications.
• Stable vacuum generation across a wide load range, essential for dynamic driving.
• Ability to restore proper operation of vacuum-controlled systems without interfering with engine control unit maps.
• Cost-effective solution compared to a new component while maintaining original specifications.

Selection, diagnostics, and technical knowledge

When selecting a vacuum pump for the S55 engine, it is worth verifying compatibility based on the manufacturer's markings and the power unit configuration. Diagnostic procedures for the fuel system and engine accessories, described in more detail in the article, may be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. There, you will find practical tips regarding diagnostics, regeneration, and selecting components based on manufacturer markings.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional pumps, vacuum lines, or mounting elements, check the available parts in the BMW Vacuum pumps category.