Won't ruin the coils, you might blow the struts though. Rear shocks seem to be more resilient.
Front and rear reinforcement plates should be a no-brainer by now.
Originally Posted by mjpgolf1
The e46 M3 is by far the most boring and worst M3 that BMW has made to date.
It's amazing to me that a non M E46 is such a beautiful car but the E46 M has never done much for me.