▁the ▁semi - final s ▁of ▁UEFA ▁Euro ▁ 2 0 0 4 ▁and ▁was ▁a ▁successful ▁manager ▁at ▁R angers , ▁as ▁their ▁new ▁coach . ▁However , ▁Adv oca at ▁was ▁unable ▁to ▁turn ▁the ▁team ' s ▁fort unes ▁and ▁res igned ▁in ▁April ▁of ▁the ▁following ▁year . ▁Form er ▁M ön ch eng lad bach ▁player ▁and ▁German ▁international ▁Hor st ▁Kö ppel ▁was ▁appointed ▁care t aker ▁for ▁the ▁remaining ▁five ▁fi xt ures ▁of ▁the ▁season . ▁Kö ppel ▁had ▁managed ▁the ▁club ' s ▁res erves ▁since ▁leaving ▁Bor uss ia ▁Dort mund ▁in ▁June ▁ 2 0 0 4 . ▁For ▁the ▁ 2 0 0 6 – 0 7 ▁season , ▁legend ary ▁M ön ch eng lad bach ▁player ▁and ▁coach ▁Ju pp ▁He yn ck es ▁was ▁appointed ▁as ▁team ▁coach . ▁ ▁Bor uss ia ▁had ▁taken ▁steps ▁to ▁improve ▁their ▁financial ▁situation ▁with ▁the ▁construction ▁of ▁a ▁new ▁state - of - the - art ▁stad ium ▁called ▁Bor uss ia - P ark ▁with ▁a ▁permitted ▁capacity ▁of ▁ 5 9 , 7 7 1 ▁spect ators ▁( limited ▁to ▁ 5 4 , 0 6 7 ▁for ▁Bundes liga ▁games ▁and ▁to ▁ 4 6 , 2 4 9 ▁for ▁international ▁games ). ▁The ▁club ▁had ▁long ▁been ▁h inder ed ▁by ▁playing ▁in ▁a ▁much ▁smaller ▁and ▁older ▁facility ▁( B ö kel berg , ▁capacity ▁ 3 4 , 5 0 0 ) ▁and ▁with