Originally Posted by madein

I had one old from my Rover 75, so I used this....., than I found ECU was still on fault becouse of the air intake temperature, so I used my original one and it was like take the turbo out from the car, so I used another one from my friend BMW with the air temperature sensor, but I didn't "coded" the ECU - it is really important? If I will buy same part number as it was the old one?