64 52 523 Replacing compressor for air conditioning

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

WARNING:

Follow safety instructions for handling REFRIGERANT and REFRIGERANT OIL .

IMPORTANT:

Risk of damage! Restart engine only when air conditioning has been correctly filled.

Follow notes for OPENING AND REPLACING PARTS in refrigerant circuit.

If air conditioning is opened for more than 24 hours: REPLACE CAPACITOR FOR HEATING AND AIR CONDITIONING SYSTEM

Necessary preliminary tasks:

Drain off AIR CONDITIONING SYSTEM
Disconnect NEGATIVE BATTERY LEAD
Drain COOLANT
Remove FAN COWL WITH ELECTRIC FAN
Remove FRONT RIGHT WHEEL ARCH COVER
Remove FRONT UNDERBODY PROTECTION
Release drive belt for alternator. See DRIVE BELT FOR ALTERNATOR (B36 / B38) or DRIVE BELT FOR ALTERNATOR (B46 / B48) .

Version with brake air duct:

Remove right BRAKE AIR DUCT

Removal:

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

Unlock and disconnect the connector (1).

Unfasten screws (2).

Remove refrigerant lines (3).

Fig 1: Refrigerant Lines, Screws, And Connector

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Secure compressor (2) against falling out.

Release screws (1).

Feed out compressor (2).

Fig 2: Compressor And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

ADAPT AMOUNT OF REFRIGERANT OIL 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 amount of refrigerant oil in the new compressor!

Read and comply with all applicable SAFETY INFORMATION .

Installation:

Position compressor (2) correctly.

Tighten down screws (1).

Tightening torque 64 52 3AZ .

Fig 3: Compressor And Screws

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.

Fig 4: Refrigerant Lines, Screws, And Connector

Courtesy of BMW OF NORTH AMERICA, INC.

Required reworking:

Evacuate and fill AIR CONDITIONING
Add COOLANT
Vent and fill COOLING SYSTEM