Here you go (from thread):
http://zeckhausen.com/
Shop is known for have "clutch delay valve" (CDV) delete for all manual BMWs since the E46 3 series. CDV is a fluid flow restrictor in hydraulic line just before the clutch slave cylinder that increases wear on disc, DMF, etc...and gives modern manual BMWs a shitty clutch/pickup feel.
Details here.
Stupid part, stupid design.