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  1. [Zafira B] [05---] Best version of OPCOM?

    Astra, Corsa, Zafira, Meriva, Adam, Agila, Combo
    Hi - so I would like to add cruise control, get average MPG and generally read any codes. Is there any version of OPCOM that's better than another and do all the cheapy readers on flea bay work OK? Is around £25 OK? Cheers