BMW E46 M3 Fuel Filter Supply Pressure Regulator S54 Engine 7831089

BMW E46 M3 Fuel Filter Supply Pressure Regulator S54 Engine is an original fuel system component by BMW, designed for use in petrol engines. This used component from the Fuel pumps and level sensors category allows for cost-effective yet technically correct maintenance of your vehicle's fuel system.

Specifications and technical data

• SKU: 7831089
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7831089
• Substitutable numbers: 13327831089, 7831089, BG
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and role in the fuel system

The fuel filter in BMW E46 and E53 X5 models with the M57 engine is responsible for precisely cleaning the petrol before it is delivered to the injection system. A properly selected component helps reduce the risk of injector contamination, stabilizes the fuel pump operation, and supports consistent engine fueling under various load conditions.

Using a filter with factory-compliant parameters is particularly important in modern units, where the fuel system operates under high pressure and is sensitive to fine solid particles and moisture in the fuel.

Benefits of using an original BMW filter

Using an original fuel filter in a BMW E46 and X5 E53 M57 ensures:

• Stable pressure in the fuel supply system – the filter is adapted to the characteristics of the factory fuel pump.
• Better protection of precision components, such as injectors and the pressure regulator.
• Consistency with the factory fuel system design, with no modifications required.
• Compatibility with OEM numbers and replacement part numbers, which facilitates servicing.

As a result, this filter is a sensible choice for fuel system maintenance, especially when you want to maintain the factory engine performance characteristics.

Condition, origin, and installation aspects

The offered fuel filter is a used part, sourced from a dismantled BMW vehicle. This type of part allows for reduced maintenance costs while maintaining the original design and fitment for the factory fuel system. Installation is performed in the location designated by the vehicle manufacturer, using standard mounts and connections.

Before installation, it is recommended to perform a standard inspection of fuel line tightness, the condition of clamps, and the correct routing of lines relative to the chassis to ensure safe and long-lasting operation.

Technical support and OEM selection

Selecting a fuel filter for a specific version of the BMW E46 or X5 E53 M57 should be based on the OEM number and replacement numbers, as well as data from the manufacturer's catalogs. This facilitates matching the part to the specific engine and fuel system configuration, minimizing the risk of ordering errors.

If you would like to learn more about the diagnostics and operation of the fuel system, methods for selecting parts by VIN/OEM, and regeneration principles, check out the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where you will find practical tips and answers to frequently asked questions.

Expanding the fuel system in a BMW

If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other components from the same group, such as fuel pumps, supply modules, or fuel level sensors, check out the available parts in the BMW fuel pumps and level sensors category.

For users interested in reducing their carbon footprint while maintaining vehicle efficiency, an interesting addition to your knowledge might be the post Eco-tuning in practice: how to increase performance while reducing your carbon footprint using recycled parts, which describes a practical approach to using reclaimed parts in modern vehicle servicing.