engineTiming Chain Torque Specsfor 1997 BMW 325iS 2.5L I6 M50 · RWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Camshaft sprocket bolt (M8)Critical15 lb-ft · 20 Nm——Chain tensioner plugCritical30 lb-ft · 40 Nm——Crankshaft hub/vibration damper bolt (central)Critical302 lb-ft · 410 Nm——Lower timing cover bolts (M6)7 lb-ft · 10 Nm——Upper timing cover bolts7 lb-ft · 10 Nm—📝 Suggest a correction to this torque spec