Alpina was pretty crazy into racing back in the 70's and 80's. Their street cars were always expensive and offered serious power gains and stiff ass suspension. Now they are more leaning towards luxury than sport driving. Thier B3S only comes in auto and the Z8 Alpina only comes with auto too. Personally interms of euro BMW tuners I like Hartge the best. Just look at some of their vehicles.
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