engineTiming Chain Torque Specsfor 2021 BMW M3 3.0L Twin-Turbo I6 · RWDUnitslb-ftNm6 fastenersSeqComponentTorqueAngle—Crankshaft pulley/hub central boltCritical148 lb-ft · 200 Nm——Timing chain tensioner (N54/N55)Critical37 lb-ft · 50 Nm——Timing cover bolts M67 lb-ft · 10 Nm——Timing cover bolts M816 lb-ft · 22 Nm——Valve cover bolts7 lb-ft · 10 Nm——VANOS/Cam sprocket bolts (Torx)Critical15 lb-ft · 20 Nm—📝 Suggest a correction to this torque spec