Replacing compressor for air conditioning (Cooper S and JCW)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2021 MINI Cooper, 2020 MINI Cooper, 2019 MINI Cooper, 2018 MINI Cooper, and 2017 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 9 030
32 1 270

WARNING: Injury hazard!
Refrigerant circuit is under high pressure!
Avoid contact with refrigerant and refrigerant oil.
Read and comply with safety instructions:

Follow SAFETY INSTRUCTIONS for handling R134a refrigerant.
Follow SAFETY INSTRUCTIONS for handling refrigerant oil.

IMPORTANT: Risk of damage!

Restart engine only when air conditioning has been correctly filled.

Read and comply with NOTES on compressor replacement!

Follow NOTES for opening and replacing parts in refrigerant circuit.

If Air conditioning is opened for more than 24 h:

Replace DESICCANT INSERT for A/C system.

Preliminary work needed:

Drain off AIR CONDITIONING SYSTEM .
Disconnect BATTERY GROUND LEAD.
Drain COOLANT .
Remove FAN COWL WITH ELECTRIC FAN .
Remove front right WHEEL ARCH COVER .
Remove front UNDERBODY PROTECTION .
Release DRIVE BELT for alternator.

Version with brake cooling duct:

Remove right BRAKE COOLING DUCT .

Removal:

IMPORTANT: Seal openings or lines on compressor with special tool 32 1 270 to prevent leakage of media and dirt contamination.

Unlock and disconnect the connector (1).

Unscrew the screws (2).

Remove refrigerant lines (3).

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Secure compressor (2) against falling out.

Unscrew the screws (1).

Feed out compressor (2).

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Adjust coolant oil level in new compressor

IMPORTANT: Danger of compressor damage!
Danger of customer complaints due to reduced cooling power of the Air conditioning!
Before the installation of the new compressor, it is absolutely necessary to adjust the coolant oil level in the new compressor!
Read and comply with all applicable SAFETY INSTRUCTIONS .

Installation:

Position compressor (2) correctly.

Tighten down screws (1).

Tightening torque 64 52 3AZ .

Courtesy of BMW OF NORTH AMERICA, INC.

Position refrigerant lines (3) correctly.

Tighten down screws (2).

Tightening torque 64 52 4AZ .

Attach and lock connector (1).

NOTE: Replace sealing rings.

Use special tool 00 9 030 to install sealing rings without damaging them.

Courtesy of BMW OF NORTH AMERICA, INC.

Required reworking:

Evacuate and fill AIR CONDITIONING .
Connect BATTERY GROUND LEAD. b
Add COOLANT .
Vent and fill COOLING SYSTEM .
Install FAN COWL WITH ELECTRIC FAN .
Install front right WHEEL ARCH COVER .
Install front UNDERBODY PROTECTION .
Tension DRIVE BELT for alternator.

Version with brake cooling duct:

Install right BRAKE COOLING DUCT .