engineTiming Chain Torque Specsfor 1999 BMW Z3 2.3 2.3L I6 · RWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Camshaft sprocket bolt (E12 Torx)Critical15 lb-ft · 20 Nm——Crankshaft central bolt (TTY)Critical302 lb-ft · 410 Nm——Crankshaft pulley/vibration damper bolts (M8)Critical16 lb-ft · 22 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