Quote:
Originally Posted by freedomfries
The "upgrade" is the solid panel that reinforces the subframe:
It won't fit non-M subframes but I replicated it by using the same mounting points for my own bracing. It reinforces the tension strut and wishbone mounts. It was more of an experiment but I couldn't believe the difference it made. Biggest surprise was the reduction in NVH gained from the M3 arms.
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Awesome! Just curious but what keeps the M3 panel from fitting? The exhaust?