The only thing a 1M has on an M3 is the illuminated ///M in the gauge cluster. Other than that, it is no better...
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)