The iSport International team has reached the end of its tether with the glitch-prone #8 car, which once again broke down during the race weekend in Spain.
British GP2 driver Sam Bird has called time on the feeder series, and switched to a new opportunity in Formula Renault 3.5/World Series by Renault for 2012.
Just two weeks after the end of the 2011 GP2 Series, the teams are already gearing up to more on-track activity as they prepare to head to Jerez for two days of testing.
Giedo van der Garde has won his third GP2 Series race of the season after a measured display of driving in slippery conditions at Monza saw him snatch victory from Vitaly Petrov with just three laps remaining.
As expected, both Luca Filippi and Karun Chandhok were called before the stewards and handed post-race penalties after Sunday's GP2 Series sprint race in Valencia.
Karun Chandhok finally enjoyed some good fortune in a GP2 Series sprint race in 2008, overcoming the early loss of his pole position to claim a second career win.
Motorsport's governing body has said that it will review security measures at the Istanbul Park circuit after Bruno Senna was taken out of Sunday's GP2 Series sprint race by a collision with a stray dog.
Reigning GP2 Series champion iSport International has made its first signing for the 2008 season by confirming Karun Chandhok for both the regular summer season and the new GP2 Asia initiative.