Hi I need to replace front ARB mounts (D Bushes) on my 2002 (02) Leon Cupra 1.8T 1M (AUQ). Planning to fit powerflex replacements and struggling on which size (19, 21 23 mm). I've been advised (Awesome GTI) that the only sure fire way to correctly purchase the right size is to physically measure the bar. Unfortunately I don't have calipers and am holding out hope that someone can advise correct size for my car. I'm tempted to just order the 23mm as that seems most likely, but hoping that someone might know?