I fancy one of those Quaife's for my 4/4 - but it's nearly half the value of the car laugh2 It doesn't need it though, with the nice wide spread of torque...
I agree on the 6 speed for the 4/4 Sport - having had 6 in the Boxster S and with 6 in the Clubman...

Graham (G4FUJ)

Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW