I have a malfunctioning TCU that I'm swapping with the exact same part from a salvaged vehicle.

I'm not able to pair (no problem doing this in the past, i know the routine) wondering if there is additional coding that needs to happen with intervention from the dealer.

I'll have to admit that I have no idea if the replacement part is in perfect working order since it has been sitting in a salvage yard or could have found the same fate as my malfunctioning one before the car was salvaged. I have a 90 day warranty so I'm not at risk here. If it doesn't work, I'll bring it back.

Thanks

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2005 x5 4.4i sport