Hmm, never knew that thanks.
.... I am putting summer wheels on in a week or two... Should I take the slide pins back out and wipe them off? I did it put much on, literally the least amount possible I put on them
2008 328i E90 Jet Black:6MT:Premium:Sport:Walnut/Black interior:Xenon:MTEC V3 AEs:19" Beyern Mesh:35% Tint:Blacklines:OEM Front Splitters