for Carrera Cup GBThe Porsche Carrera Cup GB should feature live on ITV4 this Sunday (31 August 2008) when rounds 17 and 18 of the championship are run at Silverstone.The races, which come as the championship battle heads towards a dramatic conclusion, will be broadcast in the extensive ITV4 programme that features live coverage of the HiQ MSA British Touring Car Championship. Highlights of round 17 from Sunday morning will be broadcast, followed by live coverage of round 18.Providing that the BTCC action and the race day timetable runs to plan, round 18 of the Carrera Cup race go out live to an audience of up to half a million viewers, with the race due to start at 3.55pm. The BTCC programme on ITV4 runs from 12.30pm to 5.30pm and will give unrivalled coverage of the action.The Silverstone Carrera Cup races are set to be thrillers as Michael Caine, Tim Harvey and Tim Bridgman continue their season-long battle for the crown, with Caine now leading Harvey by just five points.The action from both rounds 17 and 18 of Carrera Cup at Silverstone will feature as usual in the Motorsport UK series, with the half-hour programme going out on both ITV4 and ITV1 in October.