 The first Bulgarian drivers to participate in the GP2 Asia Series when they made their débuts during the 2009–10 season were on what team, one of who now competes in the fifth generation of the BMW 3 Series range of entry-level luxury cars?
Plamen Kralev:  He and Vladimir Arabadzhiev became the first Bulgarian drivers to participate in the GP2 Asia Series when they made their débuts during the 2009–10 season, with Kralev competing with the Trident Racing team.
i don't know