engineTiming Chain Guide Torque Specsfor 2012 BMW X3 xDrive35i 3.0L I6 Turbo N55 · AWDUnitslb-ftNm3 fastenersSeqComponentTorqueAngle—Timing chain guide rail bolts (M6)Critical7 lb-ft · 10 Nm——Timing chain tensioner plugCritical37 lb-ft · 50 Nm——VANOS central boltCritical48 lb-ft · 65 Nm—📝 Suggest a correction to this torque spec