 Despite the effectiveness of the Cosworth engine, the Bridgestone tyres and the two drivers, the FW28 could only display brief flashes of promise.Too often this promise was compromised by poor reliability - an embarrassment for a team which prided itself on engineering excellence.The car seemed competitive at the beginning of the year, when the cars scored a double points finish with Rosberg setting the fastest lap of the race on his F1 début at the Bahrain Grand Prix.