Pierburg 7.04077.34.0 Engine Water Pump

Overview of Pierburg Electric Engine Water Pump

The Pierburg 7.04077.34.0 is an electric engine water pump designed specifically for select BMW models. Engineered to meet OEM specifications, this 12-volt water pump ensures reliable cooling performance for your BMW 550i, 650i, 750i, M5, M6, X5, and X6 vehicles.

• Compatible with BMW models including 550i, 650i Gran Coupe, 750Li xDrive, M5, M6 Gran Coupe, X5, and X6
• OE number 11 51 7 629 916 for precise fitment
• Electric operating mode for efficient coolant circulation
• 12 Volt voltage rating suitable for standard BMW electrical systems
• Engine water pump designed for belts and cooling system integration

Technical Details and Compatibility

This Pierburg engine water pump operates electrically at 12 volts, providing consistent coolant flow to maintain optimal engine temperature. The pump is manufactured to match the OE number 11 51 7 629 916, ensuring direct replacement compatibility with various BMW models such as the 550i xDrive, 650i xDrive Gran Coupe, 750Li, M5, M6, and SUVs like the X5 and X6. Its electric operation mode supports efficient thermal management, reducing engine overheating risks and improving overall vehicle performance.

Applications and Problem Resolution

This engine water pump is used to circulate coolant through the engine’s cooling system, preventing overheating and maintaining engine efficiency. It is suitable for addressing issues such as:

• Engine overheating due to coolant circulation failure
• Coolant leaks from worn or damaged water pumps
• Reduced engine performance caused by inefficient cooling
• Unusual noises from failing mechanical water pumps
• Electrical faults in older or malfunctioning water pump units

Installation Notes and Tips

When installing the Pierburg 7.04077.34.0 water pump, ensure the vehicle’s cooling system is properly drained before removal of the old pump. Verify the OE number 11 51 7 629 916 to confirm compatibility. Use appropriate torque specifications for mounting bolts and inspect related components such as hoses and belts for wear. After installation, bleed the cooling system to remove air pockets and check for leaks during initial operation.

Quality Assurance and Warranty

Manufactured by Pierburg, a recognized supplier of automotive engine components, this water pump meets strict quality standards for durability and performance. The product is tested to comply with OEM specifications for fit and function. Warranty coverage details should be confirmed at the point of purchase, but Pierburg products typically include limited warranties against manufacturing defects.