1 . COMPETITION - DOMINANT POSITION - LEGAL MONOPOLY ENJOYED BY MOTOR-VEHICLE MANUFACTURER FOR THE ISSUE OF CERTIFICATES OF CONFORMITY FOR VEHICLES PRODUCED BY IT - RELEVANT MARKET - MARKET FOR SERVICES SEPARATE FROM MARKET FOR THE PRODUCTS TO WHICH THOSE SERVICES RELATE - ECONOMIC DEPENDENCE OF RETAILERS ON PRODUCER ( EEC TREATY , ART . 86 ) 2 . COMPETITION - DOMINANT POSITION - ABUSE - SELECTIVE DISTRIBUTION SYSTEM - OBSTACLES TO RE-IMPORTATION OF VEHICLES BY NON-AUTHORIZED RETAILERS ( EEC TREATY , ART . 86 ) 3 . COMPETITION - DOMINANT POSITION - ABUSE - UNDERTAKING ENJOYING A LEGAL MONOPOLY - FEES DISPROPORTIONATE TO THE ECONOMIC VALUE OF THE SERVICE PROVIDED ( EEC TREATY , ART . 86 )