i ended up placing one screw in the front along with the 3M tape and regular screws. i have a thill event next month. hopefully that holds well enough. i have been checking it and it seems as strong as the day i installed it. guess well see.
2011 E82 BMW 1M Series Coupe (current)
2011 E92 BMW M3 AW
2004 E46 BMW M3 TIAG
2004 E46 BMW M3 LSB