DIY: How to replace ignition coil pack on GT86 / BRZ / FRS and fix CEL P0351

For many of us guys tracking our GT86 / BRZ twins we’ll sooner or later come across ignition coil wear especially on cylinder 1 (CEL 0351). So here’s a DIY that would save you a few hundred bucks and a trip to a dealer to replace ignition coil pack