just ordered ma self interface to link to ma laptop and get diagnostics via obd port on the zs or any other car for that matter.,
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has anyone ever bought such a thing, there seems to be alot of free software out there just wondering what the best was?
there is company called powerdyn and it says ya can do power/torque graphs etc,
should be interesting wen it arrives, i'll keep everyone posted...
http://cgi.ebay.co.uk/ELM327-USB-Pro...QQcmdZViewItem