Luis, it is just plug and play. You stretch the rubber boot over the bigger AFM opening, move the little gear inside(on top) to tune it to your liking, and you are ready for some fun.
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--'00 BMW ///M5 .:Jet BLK/BLK:.Individual-Style 65 Wheels; 9.5" Square Set up;275 Tires;Spacers;Black Kidneys;Muffler Delete; 3.5" Dual Tips; Beast Power; "Dinan" Ducts; E60 SSK; BC Coils
--'07 BMW M5/6.:Indianapolis Red
'88 BMW 635CSi
'81 MB 500 SEC Koenig