I have had my R53 layed up (2 mo.) to change out the supercharger, replace the radiator/water pump, all cooling lines. My question is do I need to reprogram ECU or just initiate the maintenance mode before starting it up.


Regards,

Keith

 

No, there is no need to do anything to the ECU. Given that everything was installed correctly, it should start right up.

 

THX cooper48 for the update. On start-up engine would not fire and cranked fine. I think the fuel pump may need replacing, have to diagnose the problem.

 

@mcart5 Fuel pump would be easy to diagnose. Release the pressure from the fuel rail, crank the car a few times and see if the pressure returns. Furthermore after the pressure is relieved you should hear the pump running once you engage the key without even trying to crank the engine.

Do you have access to ISTA or INPA?