BMW 3 Series E46 Complete Fuel Tank Pump Level Sensor Petrol 6766940

BMW 3 Series E46 Complete Fuel Tank Pump Level Sensor Petrol is an original fuel system component designed for BMW vehicles with petrol engines. It ensures stable fuel storage and proper pump operation, which translates into consistent engine fueling and trouble-free starting. This solution is particularly beneficial for repairs where factory fitment and consistency with the fuel system of a specific model are essential.

Specifications and technical data

• SKU: 6766940
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6766940
• Substitutable numbers: 16116766940, 6766940, 16116768788, 6768788, 16146766942, 6766942, 16116750587, 6750587, 16111184899, 1184899, 16116762962, 6762962, 16116752250, 6752250, 16146752192, 6752192, 16141184281, 1184281, 16146755879, 6755879, 16141184276, 1184276, 16146752499, 6752499
• Fuel type: Petrol
• Category: Fuel Tanks & Filler Necks

Purpose and role in the fuel system

The fuel tank integrated with the pump in a petrol BMW E46 is responsible for the safe storage of fuel and its transport to the fuel rail. A properly selected tank with a pump reduces the risk of air locks, pressure drops, and starting problems, which is important both in daily use and during dynamic driving.

This component works with other fuel system parts, such as lines, filters, or injectors, creating a cohesive fuel supply system for the petrol engine. This ensures that the engine's operating characteristics are maintained and the throttle response remains predictable.

Selection by OEM and interchangeable numbers

The presented fuel tank with pump is a part from the BMW OEM group, which facilitates precise identification by part number and available interchangeable numbers. When selecting for a specific E46 unit, it is worth using the VIN number and service documentation to confirm full compatibility with the body version and the petrol engine used.

This minimizes the risk of mismatching connectors, mounts, or electrical pump terminals, and makes the installation process smoother without the need for system modifications.

Benefits of using an original BMW tank

• preservation of factory geometry and tank capacity, which promotes accurate fuel level readings,
• compatibility with the factory petrol pump and fuel system accessories,
• reduction of problems with leaks and improper system venting,
• easier diagnostics in the future thanks to maintaining the original configuration.

Choosing such a solution is particularly beneficial for repairs of vehicles used on a daily basis, where engine stability and predictable car behavior in various road conditions are prioritized.

Condition, installation, and operation

The item comes from the used parts group, which allows for lower repair costs while maintaining the manufacturer's original specifications. Before installation, a standard inspection of tightness, the condition of the connectors, and pump terminals is recommended, as well as verification of the vehicle's electrical system for proper power supply and ground.

When replacing the tank with the pump, it is worth simultaneously assessing the condition of the fuel lines and mounting elements to avoid later interventions in the same area. A properly installed tank combined with a correctly selected petrol pump promotes even engine fueling and reduces the risk of fuel supply interruptions at low fuel levels.

Technical support and additional information

To better understand the relationships between the fuel tank, pump, and injectors, and to properly plan diagnostics, VIN-based selection, and further operation, it is worth checking out our guide: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. You will find practical tips regarding the operation of the entire petrol supply system there.

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 additional tanks, filler pipes, or mounting elements, check the available parts in the BMW Fuel Tanks and Filler Pipes category.