Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSBMW1999328I 2D CONVERTIBLE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)GENERAL SERVICINGA/C COMPRESSOR SERVICINGCALSONICCLUTCH COILINSTALLATION

1999 BMW 328i 2D Convertible, Automatic

Clutch Coil: Installation

1999 BMW 328i 2D Convertible, AutomaticSECTION Installation

Ensure clutch disc and pulley contact surfaces are clean and free of excessive grooving and/or excessive heat damage. Check clutch coil for loose connection or cracked insulation. Replace components as necessary. Replace clutch disc and pulley assembly as a set.
Align clutch coil pin with hole in front head of compressor. Install clutch coil harness clip and clutch coil snap ring. Using hand press and Pulley Installer (J-41261), install pulley assembly. Install pulley assembly snap ring. Install original shim(s) and clutch disc. Using Clutch Disc Wrench (J-41260), install and tighten center bolt to 10 ft. lbs. (14 N.m). Ensure pulley turns smoothly.
Using a feeler gauge check clutch plate and pulley assembly air gap. Air gap should be 0.012-0.024" (0.30-0.60 mm). If air gap is incorrect, add or remove shims as necessary.
Install compressor and any other components. Evacuate and charge A/C system. Operate A/C system and engage and disengage A/C compressor clutch about 30 times to break in replacement clutch disc and pulley assembly.

Fig 1: Exploded View Of Compressor (Calsonic V6)

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.