How to replace convertible top gears on a 1997-2004 Porsche Boxster

Today we are replacing our sunroof gears for a set I bought on eBay for about 40$ job is pretty easy to do just need to pay attantion to detail.
Tools I used were a T25 torx, 14mm socket with wrench, 19mm socket with wrench and a flat head screwdriver.