engineTiming Chain Guide Torque Specsfor 2017 BMW M3 F80 3.0L I6 Twin-Turbo S55 · RWDUnitslb-ftNm3 fastenersSeqComponentTorqueAngle—Camshaft Sprocket BoltCritical59 lb-ft · 80 Nm——Crankshaft Hub Central Bolt (replace)Critical148 lb-ft · 200 Nm——Guide Rail Bolts (M6)Critical7 lb-ft · 10 Nm—📝 Suggest a correction to this torque spec