You need a coil removal tool otherwise you are gonna struggle to get the coils out. I know I tried and eventually got the
dealer to do it for me. I am ordering a tool from VW as I have the part number and everything, only like 30.00 quid for it so it is worth it as far as I am concerned. Then you need a long socket to get to the plug and a magnet to remove it from the barrel. Easy enough when you have the tools but if you don't..............