Denso 471-1119 A/C Compressor

Reliable A/C Compressor for BMW Models

The Denso 471-1119 A/C compressor is engineered to restore efficient air conditioning performance in select BMW vehicles. Designed specifically for models such as the 323Ci, 325i, 328i, 330i, and 5 Series variants, this compressor ensures compatibility and reliable operation.

• Compatible with BMW 323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 330Ci, 330i, 330xi, 525i, 528i, 530i, and M3 models
• Uses R134a refrigerant for effective cooling
• Clutch maximum diameter of 110.0 mm for precise engagement
• Serpentine pulley belt type for smooth power transmission
• Bolt tangent mounting type for secure installation

Technical Details and Compatibility

This Denso A/C compressor (part number 471-1119) is designed to work with R134a refrigerant, which is standard in many BMW air conditioning systems. The clutch has a maximum diameter of 110.0 mm, ensuring proper fit and function within the compressor assembly. The serpentine pulley belt type matches the belt system used in the specified BMW models, providing consistent and reliable power delivery. The bolt tangent mounting type allows for a secure and stable installation, minimizing vibration and wear.

Applications and Problem Resolution

This A/C compressor is intended for use in the air conditioning systems of various BMW models, including the 3 Series and 5 Series vehicles listed. It addresses common issues such as:

• Loss of cooling performance due to compressor failure
• Unusual noises from worn or damaged compressor clutches
• Inconsistent clutch engagement affecting A/C operation
• Leaks or mechanical failures within the compressor unit
• Incompatibility with R134a refrigerant systems

Installation Notes and Tips

When installing the Denso 471-1119 A/C compressor, ensure the system is properly evacuated and recharged with R134a refrigerant. Verify the clutch maximum diameter matches the existing setup to avoid fitment issues. Use the bolt tangent mounting points for secure attachment, and inspect the serpentine belt for wear or damage during installation. Proper torque specifications should be followed to maintain mounting integrity.

Quality Assurance and Warranty

Denso manufactures this A/C compressor to meet OEM standards for durability and performance. The part number 471-1119 undergoes rigorous quality control to ensure reliable operation in BMW 3 Series and 5 Series models. Warranty coverage details should be confirmed at the point of purchase, typically including protection against manufacturing defects.