Vertial adjustment is already available via the one adjuster that doesn't have the rivet in it. It moves both the low and high beams at the same time. I believe in Europe the low and high beams are (vertically) adjustable individually. As I mentioned in an earlier post, the adjuster with the rivet in it isn't connected to anything on the inside of the headlight.If you need vertical adjustment the rivet needs to be drilled out, and replaced with an expanding rivet. Instructions note a part no but it is just reference to a group of parts, DG 88. I could only find two possible expanding rivets so it is one of the two: A 000 990 54 92 or A 000 991 66 40. I couldn't really tell from the pictures which one exactly.