Might want a hydraulic jack like you use to change your tires to hold it up. No use tiring out while you undo bolts. Oh and someone to stabilize the door while you take it off.
I think you need an E20, a 8mm, and a 13mm. I recommend you have a friend hold the back half of the door while you go after the bolts or you will end up with something that looks like this
You definitely want two people. You should be able to remove the hinge pins and the catch. The electrical connectors probably have a plug just inside the door itself you can access by pulling away the rubber housing there.
Looks like maybe an e20 socket you’d need for those bolts
Two people
Doors are kind of like cutting limbs off of trees. Whatever you think it weighs, double or triple it.
Last time I did a door with friends. 2 people held the door of an e39, 1 person was on bolts. It was 10 grueling minutes of “got it? You good yet? Please tell me it’s almost there…” Then 30-40 minutes of adjusting the door to make it fit correctly… And that was just putting it on
Go to pelicanparts.com
Check out their forums, they’ll have step by step directions with details on the size of each bolt/nut
listen im gonna be honest with you
If you dont even know what tools you need to replace your door, im gonna doubt you have the ability (at least right now) to replace something like this. this isnt just some “unbolt and rebolt” job
Two person and go for it