maintenanceSpark Plug Service Torque Specsfor 1997 BMW 328is E36 2.8L I6 M52 · RWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Cover Screws8 lb-ft · 11 Nm——Engine Cover Clips2 lb-ft · 3 Nm——Ignition Coil Bolt8 lb-ft · 11 Nm——Mounting Bolts21 lb-ft · 28 Nm——Spark PlugCriticalGap before install16 lb-ft · 21 Nm—📝 Suggest a correction to this torque spec