Bosch 1986AD1120 A/C Compressor

Bosch A/C Compressor for BMW 328d and 328i GT xDrive

The Bosch 1986AD1120 A/C compressor is built for direct replacement on select BMW diesel and gas applications, including 2014 BMW 328d, 2014 BMW 328d xDrive, and 2015-2016 BMW 328i GT xDrive. It is engineered to match OE casting, pulley, and connector specifications for a cleaner installation and proper system fit.

Designed around Bosch OE manufacturing experience, this compressor is released through a controlled quality process and tested for endurance, performance, vibration, leak resistance, salt spray exposure, and noise control. The result is a replacement A/C compressor for BMW 328d and BMW 328i GT xDrive applications that supports reliable cabin cooling under demanding conditions.

• Direct-fit Bosch A/C compressor, part number 1986AD1120
• Compatible with R134A refrigerant systems
• Uses PAG 46 compressor oil
• Oil filled and supplied with seal ring
• 6-groove pulley with 110 mm outside pulley diameter
• 6SEU14A compressor type with 12V coil voltage
• OE-matched casting, pulley, and connector specifications

Detailed Product Information

This Bosch A/C compressor is intended for HVAC service on BMW 328d, BMW 328d xDrive, and BMW 328i GT xDrive models listed in the fitment data. The 1986AD1120 is built to align with OE dimensions and connection points, helping maintain proper belt alignment and refrigerant system integration. Bosch’s release process includes validation testing for vibration, leakage, salt spray, and operating noise, along with performance and endurance checks.

This part cross-references BMW 64529223695 for the same application.

Common A/C System Issues It Can Address

• Loss of cabin cooling from compressor wear or internal failure
• Noise from a worn or damaged compressor assembly
• Refrigerant leakage at the compressor body or seal area
• Poor A/C performance caused by compressor inefficiency
• Belt drive concerns related to pulley wear or mismatch

Installation Notes and Tips

Before installation, verify refrigerant type, oil specification, pulley groove count, and connector alignment against the vehicle’s original compressor. The system should be properly evacuated and serviced according to BMW A/C procedures before returning the vehicle to operation. Replace contaminated refrigerant oil only with the specified PAG 46 type and confirm the belt path and pulley alignment after installation.

Quality Assurance

Bosch backs this A/C compressor with OE-focused manufacturing standards and a test program that evaluates endurance, performance, vibration, leak integrity, salt spray resistance, and noise. The 1986AD1120 is built to meet the demands of BMW HVAC service while maintaining OE-style fit and function.