Its a must, I got it done early last year.
I had UCC Stage 2 in my e34 M5 before, and the Z3 shifter in my e30 before that.
This, is much less agressive than the UCC which was too notchy, and is more like the Z3 which was night and short and precise.
His--2000 BMW ///M5 .:Jet Black on Black:. Individual - Style 65 Wheels; 9.5" Square Set up;275 Tires;10mm/3mm Spacers; Black Kidneys;Muffler Delete; 3.5" Dual Tips; Beast Power Sway Brackets; "Dinan" Ducts; E60 SSK; BC Coils
Hers--2000 BMW ///M5 .:Avus Blue on Grey/Black:. '01 Exterior Upgrades; E60 SSK