[Racecar_Dave]

So im now shopping for immobilizer repair or swapping to an immobilizer from another car. i see on ebay that you can purchase an immobilizer, dme, keys and mechanical ignition switch as a unit. my question is if i swap to a new ecu/immobilizer that has a different mileage than my cluster will that cause problems? i know if i did that to my bmw that a "tamper dot" would appear on the cluster indicating not actual mileage.

will any other problems arise from swapping dme/immobilizers?