biggest issue with those LEDs usually is that you will have the yellow dashboard warning light on, which indicates broken bulbs. In case you or the vendor is selling a special kit to circumvent that effect, that's fine than.
Otherwise you should be experienced in electrics and electronics to execute that installation smoothly due to the effect described above. You will need a SLK taylored execution here to avoid that problem.
User 'Modo' might help you further, although I have not seen him online for a while, he has done a lot of that installation stuff on his car himself. Maybe you email him directly via the 'User-Suche' (search for users).