Hi all, I recently picked up a bit of a bargain off eBay. Front aero wiper arms from a Mk4 Golf for £22 delivered. Now my problem is, I bought the standard size wipers, (21" and 19") but the passenger side is fouling on the black plastic trim down the side of the windscreen. Will just fitting an inch smaller blade fix this? Everyone elses that I've seen don't seem to have this problem. This might clear it up if I wasn't. Thanks everyone. -Callum.