Bosch 66810 Direct Injection High Pressure Fuel Pump

Overview of Bosch GDI High Pressure Pump (New)

The Bosch GDI High Pressure Pump (New) part number 66810 is designed for precise fuel delivery in select BMW models. This electric, internal direct injection high pressure fuel pump supports optimal engine performance and fuel efficiency in vehicles such as the BMW 328i, 428i, and X3.

• Brand: Bosch
• Brand Line: GDI High Pressure Pump (New)
• Part Number: 66810
• Type: Direct Injection High Pressure Fuel Pump
• Electric operation
• Internal mounting (in-tank)
• Single outlet configuration
• New, not remanufactured
• Package includes one high pressure pump

Product Line Details: Bosch GDI High Pressure Pump (New)

The Bosch GDI High Pressure Pump (New) line focuses on delivering reliable, high-precision fuel pumps specifically engineered for gasoline direct injection systems. This product line emphasizes electric pumps designed for internal installation, ensuring consistent fuel pressure and flow required by modern BMW engines. The 66810 pump is part of this line, providing a new, factory-quality component to maintain fuel system integrity and engine performance.

Detailed Product Description

This Bosch direct injection high pressure fuel pump is an electric, internally mounted unit designed to meet the stringent fuel delivery requirements of BMW vehicles equipped with gasoline direct injection systems. The pump features a single outlet and does not include gaskets or mounting hardware, so ensure compatibility with your vehicle’s existing components. It is suitable for a range of BMW models including the 228i, 320i, 328i, 428i, 528i, X1, X3, X4, X5, and Z4, covering both standard and xDrive variants.

Common Applications and Issues Addressed

• Restores proper fuel pressure in BMW 328i and 428i xDrive models
• Resolves engine hesitation or stalling related to fuel delivery
• Eliminates rough idling caused by inconsistent fuel flow
• Addresses fuel pump failure symptoms in BMW X3 and X5 vehicles
• Supports efficient fuel injection system operation in BMW 320i and 528i

Installation Notes and Tips

Installation requires removal of the fuel tank or access to the internal pump assembly. Since this pump is an internal, electric unit without included mounting hardware or gaskets, verify that existing components are in good condition or replace as necessary. Proper handling and adherence to safety protocols for fuel system components are essential. It is recommended to consult the vehicle’s service manual for detailed installation procedures specific to your BMW model.

Quality Assurance and Warranty

As a new Bosch component, part number 66810 meets OEM standards for fit, form, and function. Bosch is known for manufacturing fuel system components that comply with strict quality controls. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer documentation.