How do I change the ignition coil? on 2000 Saab 9-5

Could I change the ignition coil without to much trouble?

Asked by for the 2000 Saab 9-5
It's not so much a coil as what's called a Direct Ignition Cassette. It's 4 torx screws and sets right on top of the engine. It's probably the easiest thing to swap out on your car!