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CF1 ECU engine chip

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I have removed this ecu from another car I'm breaking as an attempt to send it to a tuner to fit a new chip into it.
All the large numbers are the same on both ecu's just the 8 small numbers under the "Germany" that are different.

I'm assuming these change every time another unit is made. Can someone confirm please.

Thanks Andy
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516 Posts
Are you planning to move the ECU from one car to another? They are mated to the immobilizer box so you cant just swap them. In order to move an ECU from one car to another you must make it "virgin" or disable the immobilizer function. A serious tuner can probably help you with that.
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