>>2939692
>The fan on the side that blows air over the nozzle?
I mean both. I have had issues with heat creep that were fixed by a change and also the part cooling is by default very very weak. This is the first and simplest mod you can do to your printer to get better print quality and faster speeds.
>I could, but my prints so far have been fine
They could be even better and made faster anon.
>avoid changing too many things at once and accidentally fucking something else up
A mod like this is very very simple. You don't even need to change any parameters except maybe turn the part cooling down a little since it would be a lot stronger than it is right now. All you need to do with a MiniMe 5015 chonky which i can personally recommend is take off the old cooling shroud with the hotend, cut off the old fans and solder the new ones to the wires (takes two minutes), add the fans to the new shroud, slide the hotend into the shroud and mount. It really does make a world of difference. Even if you like printing slow, overhangs will be a lot cleaner and it will also be quieter than the stock fans because proper fans don't run at 4000rpm to push a little air.

Don't do anything you are uncomfortable with but i don't think that you need to be scared of things like this. I don't know why the chinks cheaped out like this. 10-20 bucks more improve the printer by like 20-50% without any tuing or extra effort.