Ignition coils for 3.2L engine (6VD1-W) (Opel Frontera B)

Removal

Disconnect the cable from the negative battery terminal.

Remove 2 bolts (2) on each ignition coil, disconnect the connectors (1) and remove the ignition coils (3).

Installation

Install the ignition coils (3) on the cylinder head and secure with the bolts (2), tightening them to a torque of 4 Nm.

Connect the connectors (1) to the ignition coils.

Connect the cable to the negative terminal of the battery.

Source is on this resource [OpelBook]