I remember doing it on a thinkpad. I didn't break any cables, I didn't need a guide, and it got significantly quieter afterwards. Macbooks are pretty, they've got a great CPU, but the repairability is just rubbish
replies(2):
I wonder if something will change for the better in the future, given that the EU will force (from 18th February 2027) every computer sold in the EU to have removable and replaceable batteries.