IMO, I would not have put the fuse there. The fuse should be as close to the battery as possible. It is to protect from fires more than it is to protect your equipment. If the power wire rubs through and grounds between the battery and the fuse, you will have a fire.
2008 IB E92 M3| BBS | KW | Arkym | Platte Forme A.G. | Active Autowerke | K&N | Fabspeed | Dinan | Evolve-R