BMW G11 G20 G21 G22 G23 G26 G30 G31 Fuel Filter Housing Heater Cartridge 8591019

BMW G11 G20 G21 G22 G23 G26 G30 G31 Fuel Filter Housing Heater Cartridge is a component from the Fuel filters group, designed for BMW diesel engine supply systems. It ensures stable operating conditions for the filter element in Diesel installations, supporting proper fuel preparation in modern power units.

Specifications and technical data

• SKU: 8591019
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8591019
• Substitutable numbers: 8591019, 13328591019, 8582008, 13328582008
• Fuel type: Diesel
• Category: Fuel Filters

Purpose and function in the fuel system

The filter housing heater cartridge in BMW G-series models is responsible for maintaining appropriate fuel operating conditions within the filter, which is particularly important in low temperatures. In Diesel engines, it reduces the risk of paraffin precipitation, supporting uniform fuel flow through the filter medium and stable operation of the supply system.

The component works with the fuel filter as part of the pre-injection fuel preparation system, which translates into engine refinement, correct response to load, and protection of precision components such as the high-pressure pump and injectors.

Benefits of using an original heater

Using an original BMW solution for fuel preparation allows for maintaining the factory operating parameters of the system. A properly selected filter housing heater cartridge:

• supports maintaining the correct fuel viscosity at low temperatures,
• reduces the risk of air locks and pressure drops on the supply side,
• helps protect precision injection system components from contaminants,
• maintains stable operating conditions for the fuel filter across a wide range of loads.

As a result, the fuel supply system in BMW diesel engines maintains predictable operating parameters, which promotes smooth starting and repeatable performance.

Product characteristics and fitment

The filter housing heater cartridge is a component dedicated to selected BMW G-series models, designed to work with Diesel fuel systems. The design provided by the vehicle manufacturer allows for installation in place of the factory component, maintaining the original geometry and connection method to the installation.

The product comes from the Fuel filters group, which means it is integrally linked to the fuel purification stage before injection. This enables consistent servicing of the entire fuel preparation section – from the tank, through the filter, to the injection system.

Condition and service application

The offered component is intended for service applications in BMW vehicles with diesel engines where it is necessary to restore the correct operating conditions of the fuel filter. It is suitable for both standard periodic maintenance and more extensive work within the supply system when it is necessary to replace several cooperating components.

To correctly select the heater for a specific vehicle, it is recommended to use the OEM number or vehicle data, which minimizes the risk of ordering errors and speeds up the service process.

Technical support and additional materials

For users who want to better understand the relationships between the fuel filter, heater, injectors, and pump, an article describing the construction and operation of the supply system will be helpful – you can find it here: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. This is a practical supplement to your knowledge when planning service work on diesel engines.

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 filter housings, filter cartridges, or additional fuel preparation elements, check the available parts in the BMW Fuel filters category.