My first thought after reading the thread title was the only way to stop
the mods is to sell the damn car! Have fun with your BBK, I just upgraded
to Stoptech Trophy's and the difference from stock is phenomenal.
2001 E46 Race Car - S54 Swap - Moton Suspension - CAE Shifter
2011 E90 M3 - ESS VT2-625 Supercharger - Stoptech Trophy BBK - Ohlins Road & Track - MP Exhaust