Four Seasons 5712N A/C Compressor Kit

Four Seasons PAC-Kit w/ New Compressor

The Four Seasons 5712N is an A/C compressor kit for select BMW applications that use a 7SB16C or Nippondenso compressor. It is built for 1998-2001 BMW 740i and 740iL models, plus select 1999 BMW 323i, 323is, 323ti, and 328i applications with the listed compressor configuration.

Key Features

• Four Seasons PAC-Kit w/ New Compressor for HVAC A/C compressor replacement
• Part number 5712N
• Fits BMW models with 7SB16C compressor or Nippondenso compressor configurations
• Includes application-specific components referenced by the manufacturer for the listed vehicles
• Built for direct-fit service on confirmed BMW fitments

Detailed Description

Four Seasons 5712N is a PAC-Kit w/ New Compressor for BMW air conditioning service on 1998-2001 BMW 740i and 740iL, as well as select 1999 BMW 323i, 323is, 323ti, and 328i models. The fitment notes call for physical compressor comparison on certain 1999 323-series applications and identify use with 7SB16C or Nippondenso compressor setups. This makes 5712N a focused replacement choice when servicing the compressor side of the HVAC system on the listed BMW vehicles.

This part cross-references 78396 and 83070 for the same application.

What It Is Used For

• Replacing a worn or failed A/C compressor on listed BMW 740i and 740iL models
• Restoring cooling performance on select 1999 BMW 323i, 323is, 323ti, and 328i vehicles
• Addressing compressor noise, seizure, or loss of refrigerant compression
• Correcting A/C system operation when the original compressor no longer cycles properly
• Servicing BMW HVAC systems with the specified compressor type

Installation Notes and Tips

Verify the existing compressor type before ordering, especially on 1999 BMW 323i, 323is, and 323ti applications where physical comparison is required. Confirm the vehicle matches the listed compressor configuration and follow standard A/C service procedures, including proper evacuation, flushing, and oil handling during replacement.

Quality Assurance

Four Seasons supplies HVAC service parts for automotive A/C repair, and this PAC-Kit is cataloged for the exact BMW applications shown above. Part number 5712N is listed for confirmed fitment on the specified 1998-2001 BMW 740i and 740iL, plus select 1999 BMW 323 and 328 models.

• Fits 1998-2001 BMW 740i, N/A
• Fits 1998-2001 BMW 740iL, N/A
• Fits 1999 BMW 323i, N/A
• Fits 1999 BMW 323is, N/A
• Fits 1999 BMW 323ti, N/A
• Fits 1999 BMW 328i, N/A