Yes, a bit more filing of the remote and fob housing but it fitted in nicely in the end.Nice to hear people are finding this usefull and taking the mod on. Where you able to simply wedge your circuit board in then?
Do you mean the thickness? Yes you will need to file down the flat face of the blade a little to get it to slide into the pivot piece. Not sure it should make any difference which side you do though, you should just be able to turn it over and have it either way? My key is symetrical which I assume they all must be otherwise you would only be able to insert the key holding it a certain way round. I took the smallest slither off of both the top and bottom to make it a tight fit and have it sit in a central position.
Yes it is symetrical and if you use the notch method you did in your guide you can flip it over. If you cut a groove in like the original like I did you can't flip it over.
No photos taken but tbh the finished product looks the same but with a longer key and I have slightly filed down the part where the key goes in to make it not catch when flipping.