41 00... Notes On Cleaning Agent R1
WARNING: This page is about a different car, the 2013 BMW M3, 2012 BMW M3, and 2011 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
Use only cleaning agent R1, as other cleaning agents cab be emollient/moistening or may start to dissolve the cathodic dip paint primer.