Romoval guides are in the How to bodywork section for all types.
I need to edit one or two of them if it says cover then cover is the Bumper.
I dont know where the part number will be you can start by looking underneath & at the back of the bumper while it is on, you will need a torch, pen & paper & start looking @ one side & accross to the other.
You will know when you find it as the vw & audi badg's will stapmed along side, above or below it & will be accompanied by another ste of numbers.
Note the lot & report back & we will tell you which number is the part number - usually the long one.
Does it have fog light's or fog light outlines on the lower part of the bumper.