Originally Posted by McKenna Performance
FYI - From our experience installing the BMW Performance Spoilers, it is much easier to use 3M double-sided automotive tape rather than the BMW Betalink.
I don't doubt that. There would be much less cleanup required. If you're going to use betalink make sure you dry fit the spoiler first and lay down painters tape on the trunk. I got a very clean install with minimal clean up using this method.