The ECU from these people http://www.autotekelectronics.com/autotek/index.php?MakeDesc=VAUXHALL&ModelDesc=ZAFIRA&CatDescription=&EngineSize=&YearFrom=&EngineSize=2.2&YearFrom=2002&CatDescription=Engine+Management+ECU&Page=Results
Is £147 then around 1.5hrs to fit and recode to your car
nigel, December 2011