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Discussion Starter #1
hi , need some knowlegible help in replacing an e40 ecm with a same service no ( second hand ) from another vehicle . Would I save the custom tune from my ecm first then just remove from car and plug in second hand unit start tech2 with tis 2 web go to sps and copy my car specific program to second hand ecm , change the vin to mine , then load the custom tune into it and then link the unit to my pim ?
 
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