hvacAC Compressor Torque Specsfor 1997 BMW 850Ci E31 5.4L V12 M73 · RWDUnitslb-ftNm6 fastenersSeqComponentTorqueAngle—AC Compressor BoltsCritical25 lb-ft · 34 Nm——AC Line FittingsCriticalUse new O-rings, add oil15 lb-ft · 20 Nm——Clutch Wire Connector3 lb-ft · 4 Nm——Compressor BoltsCritical31 lb-ft · 42 Nm——Line FittingsCritical19 lb-ft · 25 Nm——Serpentine Belt TensionerCritical18 lb-ft · 24 Nm—📝 Suggest a correction to this torque spec