When I banged up my first set of OEM-reps and replaced them, the 3M tape took off some of the paint from the bumper! Yea, I think 3M tape will hold the 4 oz (or whatever it is) splitter just fine!
...and yes, I repaired the paint chip before replacing.
2014 Porsche 911 Turbo S - FOR SALE
2010 BMW M3 (e90) - SOLD
2005 Corvette C6 - SOLD