 Nyora kupfuurira kweiyi ndima - Muna 2008, akatamira naKlopp kuti ave mutevedzeri wemaneja kuBorussia Dortmund. Anotsanangurwa naKlopp se ruoko rwake rworudyi, Buvač akabatsira kutungamirira Dortmund kudzokera kumashure-ku-kumashure Bundesliga kukunda muna 2011 na2012, pamwe neDFB-Pokal muna 2012, DFL-Supercup muna 2008, 2013 uye 2014, uye kuoneka kwavo kwechipiri muChampions League yekupedzisira muna 2013. Muna 2013, achiri kuDortmund, Buvač akazove murairidzi mukuru weRepublic of Srpska timu yenhabvu. 