engineValve Spring - Single Torque Specsfor 2012 BMW X3 3.0L Turbo I6 · AWDUnitslb-ftNm8 fastenersSeqComponentTorqueAngle—Cover Bolts13 lb-ft · 17 Nm——Gasket BoltsCritical16 lb-ft · 21 Nm——Mounting Bolts21 lb-ft · 28 Nm——Mounting BoltsCritical37 lb-ft · 50 Nm——Rocker Arm BoltsCriticalTighten with cam lobe pointing away22 lb-ft · 30 Nm——Sensor Bolts8 lb-ft · 11 Nm——Spark Plugs - Aluminum HeadCriticalApply anti-seize to threads15 lb-ft · 20 Nm——Valve Cover BoltsTighten in sequence7 lb-ft · 10 Nm—📝 Suggest a correction to this torque spec