I daily drove my GT3. Only prob for me was the squeaky brakes. I can count on 1 hand the amount of times I had a prob cause of ground clearance.
13 E92 M3 ZCP
Stock w/Rs3 - WSIR 1:33:9 / BW C13 2:03:6 / ACS 1:56:7
KW CS w/Rs3 - WSIR 1:32:8 / BW C13 1:59:2 / ACS 1:55:1
APR Wing/Rs3 - WSIR 1:30:9 / BW C13 1:57:7