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Old 15-05-18, 09:30 AM   #1
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Join Date: May 2018
Posts: 8
Default free running ecu, new BSI?


Just a quick one - if an ECU is decoded (immobiliser bypassed), should a new BSI work (same part number from same model) with the old keys or would the original keys for the replacement BSI be required?

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Old 15-05-18, 06:28 PM   #2
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Bsi will only work with matching key regardless of part numbers AND free running ecu will only work if the car is capable of working as most issues are wiring related so immobiliser issues are not usually ecu or bsi problems.

There are ways to do as you suggest but i tend to find fixing the real issue is easier.
assume nothing check everything twice !!
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