Delphi FG1550 Fuel Pump Module Assembly

Delphi FG1550 Fuel Pump Module Assembly Overview

The Delphi FG1550 fuel pump module assembly is designed for reliable fuel delivery in select BMW models. This in-tank electric fuel pump supports gas fuel systems and includes a built-in regulator and external strainer to maintain optimal fuel pressure and filtration.

• Compatible with BMW 528i, 528i xDrive, 535i, 535i GT, 535i GT xDrive, 535i xDrive, 640i, 640i Gran Coupe, 640i xDrive, and 640i xDrive Gran Coupe
• 12.0 Volt electric pump with a maximum pressure of 95 psi and system pressure of 80 psi
• Includes fuel pressure regulator and external strainer for consistent fuel flow and filtration
• Features a quick connect outlet with 0.313 inch outside diameter and pin-type male terminals (4 terminals)
• Standard replacement grade with an average flow rating of 48 and average current draw of 10 amps

Technical Details of the Delphi FG1550 Fuel Pump Module

The Delphi FG1550 is an electric fuel pump module assembly designed to fit directly inside the fuel tank of compatible BMW vehicles. It operates at 12 volts and is engineered to deliver a steady fuel flow with an average rating of 48, supporting system pressures up to 80 psi and a maximum pressure of 95 psi. The pump includes an integrated fuel pressure regulator to maintain consistent fuel delivery and an external strainer inlet to protect the fuel system from contaminants. The outlet uses a quick connect type fitting with a 0.313 inch outside diameter, ensuring secure and efficient fuel line connections. The module features four male pin terminals for electrical connections, designed for compatibility with the vehicle's wiring harness.

Applications and Common Issues Addressed

• Replacement for failing or noisy fuel pumps in BMW 528i and 535i series vehicles
• Resolves fuel pressure inconsistencies causing engine hesitation or stalling
• Addresses fuel delivery problems in BMW 640i and 640i Gran Coupe models
• Helps restore proper fuel flow in vehicles experiencing poor acceleration or rough idling
• Suitable for repairing fuel pump modules with damaged or clogged strainers

Installation Notes and Tips

Installation of the Delphi FG1550 fuel pump module assembly requires removal of the fuel tank to access the in-tank pump. Ensure the vehicle's battery is disconnected before beginning work to prevent electrical hazards. Verify that the fuel lines and electrical connectors match the quick connect outlet and pin terminal configuration of the replacement pump. Since the module does not include a gasket or lock ring, reuse the original components or source replacements as needed. Follow manufacturer torque specifications and safety procedures during installation.

Quality Assurance and Warranty Information

The Delphi FG1550 fuel pump module assembly is a standard replacement part manufactured to meet OEM specifications for fit, form, and function. Delphi products undergo rigorous testing to ensure durability and reliable performance in demanding automotive environments. While specific warranty details are not provided here, Delphi typically offers limited warranties on their fuel delivery components; consult product documentation or authorized sources for exact warranty terms.