^^ Damn bro, that is pretty bad. Mine was also this bad, and I'm glad it's been OK since they took the pebble out. I don't remember having this problem on my E46 M3. Sounds like something in that area is poorly designed if this is and keeps happening to so many M3s....
2008 E92 M3 6MT, AW/Blk Ext., brushed aluminum
2006 E46 M3 ZCP 6MT Carbon blk/blk(sold)
2001 E46 325Xi 5MT Jet Blk/Blk (sold)