exhaustCatalytic Converter - Universal Torque Specsfor 1997 BMW 850Ci E31 5.4L V12 M73 · RWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Flange BoltsCritical44 lb-ft · 59 Nm——Flange BoltsCriticalAnti-seize44 lb-ft · 59 Nm——Hanger Bolts19 lb-ft · 25 Nm——Heat Shield Bolts13 lb-ft · 17 Nm——O2 SensorCriticalAnti-seize44 lb-ft · 59 Nm—📝 Suggest a correction to this torque spec