Bosch 1986AD1054 A/C Compressor

Bosch A/C Compressor for BMW HVAC Repair

The Bosch 1986AD1054 A/C compressor is an OE-style replacement built for BMW climate control systems that use R134A refrigerant. It is oil-filled, uses PAG YF 46 oil, and is configured with a 6-groove pulley, 110 mm outside pulley diameter, and 12-volt coil for direct-fit service on select BMW Z4 and BMW X1 applications.

Bosch’s A/C compressor line draws on OE manufacturing experience and a controlled release process with testing for endurance, performance, vibration, leak, salt spray, and noise. The result is a replacement compressor engineered to match OE casting, pulley, and connector specifications for a cleaner installation and proper system alignment.

Key Features

• Part number: 1986AD1054
• Brand line: Bosch A/C Compressor
• Refrigerant type: R134A
• Compatible oil type: PAG YF 46
• Oil filled: Yes
• 6-groove pulley design
• 110 mm outside pulley diameter
• 6SBU14A compressor type
• 12-volt coil voltage
• Includes seal ring

Detailed Description

The Bosch 1986AD1054 is a replacement A/C compressor for BMW HVAC systems that require an OE-matched fit and refrigerant specification. It is built for 2012-2016 BMW Z4 and 2012-2015 BMW X1 models, making it a direct search match for drivers looking for a BMW Z4 A/C compressor or BMW X1 A/C compressor replacement. The compressor is pre-filled with oil and specified for PAG YF 46, which helps streamline service preparation when restoring cooling performance.

This Bosch A/C compressor uses a 6SBU14A design with a 6-groove pulley and 12V coil, supporting proper belt engagement and electrical compatibility in the intended BMW applications. The precise casting, pulley, and connector specifications are aligned to OE requirements, which helps reduce fitment issues during replacement service. This part cross-references BMW 64529223694 for the same application.

What It Helps Fix

• Weak or inconsistent cabin cooling
• Noisy compressor operation
• Compressor seizure or internal wear
• Refrigerant pressure loss from compressor leakage
• Air conditioning system performance decline in BMW Z4 and BMW X1 models

Installation Notes and Tips

Before installation, verify that the vehicle uses R134A refrigerant and PAG YF 46 oil specification. Confirm pulley groove count, connector style, and compressor mounting alignment against the removed unit to ensure the Bosch 1986AD1054 matches the vehicle’s OE configuration. After installation, evacuate and recharge the system according to factory service procedures and inspect for leaks, belt tracking, and proper compressor engagement.

Quality Assurance

Bosch subjects this A/C compressor line to endurance, performance, vibration, leak, salt spray, and noise testing before release. Those checks are used to verify durability and OE-level fitment consistency for BMW Z4 and BMW X1 applications.