2014 BMW 335i Xdrive

Hello everyone, I’m looking at purchasing a 2014 335i xdrive with 80k miles on it. Looks super clean but I’m curious if the mods done are potentially bad or something i should be aware of. I don’t really know much about modding or anything like that. Would appreciate some advice!

Mods listed are:

Flexfuel 85 tune VRSF aftermarket intercooler VRSF Downpipe/Midpipe VRSF quad exhaust aFe magnum force air intake Muffler/Resonator delete Bootmod3 stage 2 ECU tune