engineTiming Chain Guide Torque Specsfor 2011 BMW M3 E90 4.0L V8 S65 · RWDUnitslb-ftNm8 fastenersSeqComponentTorqueAngle—Camshaft Sprocket BoltCritical63 lb-ft · 86 Nm——Crankshaft Pulley BoltCritical150 lb-ft · 203 Nm——Guide BoltsCritical21 lb-ft · 28 Nm——Tensioner BoltCritical17 lb-ft · 23 Nm——Timing Chain Guide BoltsCriticalReplace if worn9 lb-ft · 12 Nm——Timing Cover BoltsCritical12 lb-ft · 16 Nm——Timing Cover Bolts - 8mmCriticalTighten in sequence18 lb-ft · 25 Nm——Valve Cover BoltsTighten in sequence7 lb-ft · 10 Nm—📝 Suggest a correction to this torque spec