Four Seasons 158509 A/C Compressor

Reliable A/C Compressor for BMW Models

The Four Seasons New Compressor 158509 is engineered to restore efficient air conditioning performance in select BMW vehicles. Designed specifically for models like the 750i xDrive, M5, and X7, this A/C compressor ensures compatibility and reliable operation with R1234yf refrigerant systems.

Key Features of Four Seasons New Compressor 158509

• Compatible refrigerant type: R1234yf
• Includes oil for optimal lubrication
• 7-groove serpentine pulley with 4.250-inch outside diameter
• Clutch included for seamless engagement
• Sanden compressor type with 12V coil voltage
• 3 tangent mounting points plus one on rear head for secure installation
• Pin-type electrical connector for reliable connection
• Includes slim line sealing washers (O-Rings 24255 and 24234)
• New unit, not remanufactured

About the Four Seasons New Compressor Product Line

The Four Seasons New Compressor line offers brand-new, factory-quality A/C compressors designed to meet or exceed OEM specifications. This product line focuses on delivering reliable performance and durability for modern refrigerant types like R1234yf. The 158509 model exemplifies this approach by combining precise fitment with essential features such as an included clutch and oil, ensuring a ready-to-install solution for BMW vehicles.

Detailed Product Description

This Four Seasons New Compressor 158509 is a Sanden-type A/C compressor tailored for BMW models including the 750i xDrive, M5, and X7. It operates on R1234yf refrigerant and comes pre-filled with oil to maintain proper lubrication and extend compressor life. The unit features a 7-groove serpentine pulley with a 4.250-inch outside diameter, designed to match factory belt configurations. The included clutch allows for smooth engagement and disengagement of the compressor, while the 12V coil voltage ensures compatibility with the vehicle’s electrical system. Mounting is secured via a 3 tangent plus one rear head configuration, providing a stable and precise fit. The compressor uses pin-type connectors and includes slim line sealing washers (O-Rings 24255 and 24234) to maintain system integrity and prevent leaks.

Common Applications and Issues Addressed

• Restores A/C cooling performance in BMW 750i xDrive and M5 models
• Replaces worn or failed compressors causing insufficient refrigerant compression
• Solves clutch engagement problems affecting air conditioning operation
• Addresses pulley wear or damage impacting belt alignment and drive
• Eliminates refrigerant leaks due to faulty seals or O-rings

Installation Notes and Tips

Ensure the vehicle’s A/C system is properly evacuated and flushed before installing the new compressor. Verify compatibility with the R1234yf refrigerant system and inspect the serpentine belt for wear. The included oil is pre-filled, but confirm oil levels according to manufacturer specifications. Use the correct mounting points (3 tangent plus one on rear head) for secure installation. Electrical connections utilize a pin-type connector; ensure a clean and secure connection. Replace O-rings with the included slim line sealing washers to maintain a leak-free system.

Quality Assurance and Warranty

The Four Seasons New Compressor 158509 is a new, factory-quality replacement part designed to meet OEM standards. It includes essential components such as the clutch and oil to ensure proper function out of the box. While specific warranty details vary, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.