Had tried doing the interior of the tips with brake cleaner and a dofferent type of wool, but did not work, although one of the bmw technicians recommended ot.
Going to do this soon. So, my question is do you use the steel wool with some sort of cleaner or with the polish? Thanks in advance!
2009 LCI E90/N54/Space Gray/M-Package/Sport Premium Package/6MT w BMW Performance Shifter/Black Dakota Leather/Wood Trim/Navigation/PDC/Comfort Access/