engineTiming Chain Torque Specsfor 1990 BMW M3 2.3L I4 S14 · RWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Camshaft sprocket boltCritical55 lb-ft · 75 Nm——Crankshaft pulley/hub boltCritical302 lb-ft · 410 Nm——Lower timing cover bolts (M8)16 lb-ft · 22 Nm——Timing chain tensioner boltCritical30 lb-ft · 40 Nm——Upper timing cover bolts (M6)7 lb-ft · 10 Nm—📝 Suggest a correction to this torque spec