engineSerpentine Belt Torque Specsfor 2004 BMW 330xi E46 3.0L I6 M54 AWD · RWDUnitslb-ftNm2 fastenersSeqComponentTorqueAngle—Belt Tensioner Bolt41 lb-ft · 55 Nm——Idler Pulley Bolt33 lb-ft · 45 Nm—📝 Suggest a correction to this torque spec