exhaustO2 Sensor - Downstream Torque Specsfor 1990 BMW 535i 3.5L I6 M30 · RWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Flange BoltsCritical40 lb-ft · 55 Nm——Hanger Bolts17 lb-ft · 23 Nm——Mounting Bolts23 lb-ft · 31 Nm——O2 SensorCritical40 lb-ft · 55 Nm——O2 SensorCriticalAnti-seize threads40 lb-ft · 55 Nm—📝 Suggest a correction to this torque spec