Buuxi weedha soo socota: Sannadkii 2006, Klien wuu ku guuldareystay marka la barbar dhigo saaxiibkiis kooxda ee khibradda badan David Coulthard, maadaama Ingriisku uu dhaliyey kaalintii koowaad ee kooxda wuxuuna ahaa mid ka sii joogto ah Klien xilli ciyaareedkii oo dhan. Bishii Agoosto 2006, waxaa la xaqiijiyay in Klien uusan la sii joogi doonin kooxda Red Bull xilli ciyaareedka soo socda ee 2007, ama ugu yaraan sidii darawal tartan, sababtoo ah saxiixa Red Bull ee Mark Webber. Kadib markii 2 dhibcood ay ku dhamaatay Bahrain iyo
Jarmalka, waxaa jiray hubanti la'aan ku saabsan halka Klien uu ku sii socon doono mustaqbalkiisa tartanka, mala-awaalku wuxuu soo jeediyay Ameerika inuu yahay xulasho macquul ah oo loogu talagalay reer Austria, laakiin wuxuu diiday kursi ChampCar ah koox ay taageerto Red Bull sannadka 2007, isagoo doorbiday inuu raaco wadista Formula One ee koox kale. Natiijo ahaan, kooxdu waxay ku dhawaaqday in Klien laga saaray saddexdii tartan ee ugu dambeysay xilli ciyaareedkii oo uu doortay darawalkii tijaabada Robert Doornbos.