Denso 471-1559 A/C Compressor

Overview of Denso A/C Compressor 471-1559 for BMW M3, M5, M6

The Denso A/C Compressor part number 471-1559 is designed specifically for BMW M3, M5, and M6 models. This compressor supports R134a refrigerant and features a serpentine pulley belt system, ensuring compatibility with the factory setup of these vehicles.

• Compatible with BMW M3, M5, and M6 models
• Uses R134a refrigerant type
• Clutch maximum diameter of 110.0 mm
• Serpentine pulley belt type for smooth operation
• Bolt tangent mounting type for secure installation

Technical Details and Features

The Denso 471-1559 A/C compressor is engineered to meet the specific HVAC requirements of BMW M3, M5, and M6 vehicles. It operates with R134a refrigerant, which is standard for these models. The clutch has a maximum diameter of 110.0 mm, providing reliable engagement and disengagement during operation. The serpentine pulley belt type matches the OEM belt system, ensuring proper fit and function without modification. The bolt tangent mounting type allows for a secure and precise installation, maintaining alignment and reducing vibration.

Applications and Problem Solving

This A/C compressor is used to restore or maintain the air conditioning system's cooling performance in BMW M3, M5, and M6 vehicles. It addresses several common issues, including:

• Loss of cooling due to compressor failure
• Clutch slippage or failure affecting A/C engagement
• Noise or vibration caused by worn pulley or mounting
• Leaks or inefficiency related to refrigerant compatibility
• Inadequate belt alignment impacting compressor operation

Installation Notes and Tips

When installing the Denso 471-1559 A/C compressor, ensure the following:

• Confirm compatibility with BMW M3, M5, or M6 model year and engine variant
• Use the correct serpentine belt and verify belt tension
• Check the clutch diameter to match the existing system (110.0 mm)
• Secure mounting using bolt tangent points to prevent misalignment
• Evacuate and recharge the system with R134a refrigerant according to manufacturer specifications

Quality Assurance and Warranty

Denso manufactures this A/C compressor to meet OEM standards for durability and performance. The part number 471-1559 undergoes rigorous quality control to ensure reliable operation in BMW M3, M5, and M6 vehicles. Warranty coverage details should be confirmed at the point of purchase, but Denso typically offers limited warranties covering defects in materials and workmanship.