engineSerpentine Belt Torque Specsfor 1990 BMW 735iL 3.5L I6 M30 · RWDUnitslb-ftNm2 fastenersSeqComponentTorqueAngle—Belt Tensioner Bolt41 lb-ft · 55 Nm——Idler Pulley Bolt33 lb-ft · 45 Nm—📝 Suggest a correction to this torque spec