Replacing spark plugs
Remove ignition coils.
Remove the spark plugs with a set of 16 and 21 mm torque wrenches with a torque limit of 17.5 and 28 Nm + a 9-9.52 square adapter for the Ele wrench. 1086 (Ele. 1382) (1).
Check and, if necessary, adjust the gap between the electrodes for each spark plug. Install spark plugs.
Torque tighten the spark plugs to 28 Nm.
Install the ignition coils.