@Genius I'm not that dodgy
Right, first thing - fold on remote can be done on facelift modules so far (haven't had a chance to try preface ones), just by editing 3 bytes of eeprom dump, it's just a matter of adding/modifying some hex values. Possible options are: fold on remote, and unfold either on remote or ignition. Pretty easy to do with a programmer. I need to find a table of bits to be modified on certain offets (I made one), can't recall them out of my head. No extra wiring/modules required!
Second - dip on reverse is pretty easy as well. Mirror motor has to be changed for one with 8pin plug from Golf, A6 C6 or so. One of them is 3d0959587c, but as far as I know all motors xxx959587C have memory option. It's just a matter of mounting (3 screws). Wiring is a piece of cake, I did that on facelift modules, but I guess it would work on preface too (pinout is exactly the same). So it goes like:
Mirror green plug pin <-> door module mirror pin
1 - 3
2 - 12
3 - 9
4 - empty
5 - 2
6 - 2
7 - 1
8 - 4
Hardest thing is to pull the loom through rubber sleeve. I managed to that by cutting it, getting rid of all cables, making the loom, sticking black tape and pulling it... Wasn't easy thou lol
Some coding in module 52 - byte 1, bit 0 - mirror with memory function installed, and then module 46 - mirror lowering with reverse (it's byte 11, bit 7 on my module, MIGHT differ on different comfort modules). Almost there
Set the mirror knob to the left, stick reverse, then set mirror position as you want it to be in reverse, and then stick in 1st gear, get the knob back in the middle, and again to the left. That's it
From now it'll dip on reverse, and will get back up on ignition off, on the knob in the middle position, or once the speed is higher than 15km/s, uh flip me, around 10mph. Forgive me any mistakes, I'm just too exhausted to think clear lol Enjoy guys.