The season also saw Airwaves BMW score their first win in the series when Rob Collard won the second race of the day at the opening meeting at Brands Hatch.
Andrew Jordan became the youngest driver to qualify on pole at Donington after team-mate Fabrizio Giovanardi was excluded for failing technical checks.
Triple 8 continued to run Vauxhall Vectras under the VX Racing banner, retaining the reigning double Champion Fabrizio Giovanardi and Matt Neal but replacing Tom Onslow-Cole with Andrew Jordan.
After SEAT withdrew at the end of 2008, Jason Plato made a last minute switch to an RML Group-run Chevrolet Lacetti under the Racing Silverline banner.
Motorbase Performance entered as Airwaves BMW with Rob Collard as lead driver but Steven Kane was replaced by double SEAT Cupra Champion Jonathan Adam.
Team Dynamics once again ran a pair of Super 2000 Honda Civics, initially retaining Gordon Shedden and replacing Tom Chilton with the returning David Pinkney.
TH Motorsport continued to run a Honda Integra for John George and entered a Civic Type-R for Matt Hamilton in the final two meetings.
Other notable failed entries included Paul Luti in a Dreadnought-run MG and Ian Court in a self-run Alfa Romeo 156.