64 52 521 Replacing air conditioning compressor (N54)

Special tools required:

WARNING: Follow all applicable SAFETY INFORMATION .

IMPORTANT:

Risk of damage!

Restart engine only when A/C system has been correctly filled.

If air conditioning system is opened for more than 24 hours:

Replace DESICCANT INSERT . Read all notes regarding desiccant insert replacement on this vehicle.

Necessary preliminary tasks:

Release screws (1) and remove refrigerant lines.

Tightening torque 64 52 1AZ .

Installation note:

Replace sealing rings.

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

Unfasten plug connection (2) and disconnect.

Fig 1: Identifying Refrigerant Lines Screws

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Release screw (1).

Tightening torque 64 52 2AZ .

Fig 2: Identifying Air Conditioning Compressor Screw

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Release screw (1).

Tightening torque 64 52 2AZ .

Fig 3: Identifying Air Conditioning Compressor Screw

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

NOTE: Secure compressor (2) against falling off/down.

Release bolt (1) and lift out compressor (2).

Tightening torque 64 52 2AZ .

Fig 4: Identifying Compressor Bolt

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Installation note:

Fitting sleeves (1) must not be damaged.

Replace damaged fitting sleeves.

Fig 5: Identifying Fitting Sleeves

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After installation: