Well given that there is just about nothing available yet for FI, I would say go with bolt-ons until there is a good SAFE FI kit available. This will probably take at least a year or two. I would not want to be one of the first cars with FI only to have engine damage...just not worth it for me.
2012 Audi R8 V10| 6MT| Suzuka Grey| Dallas Performance Stage 1.5 Twin Turbo| 817whp pump| 950whp on 109 octane| GMG springs| Klassen M52R| Toyo R888R| GT Tails| GT wing| Black Optic Grille| CF everywhere| Satin black badges
2015 BMW X5 35d|Mineral White| Mocha
2017 BMW M3 ZCP| Mineral Grey