Quote:
Originally Posted by bkrbmw
I figured it would need the bigger injectors. I assume the software upgrade will need to be done by a shop? will it not work at all without these upgrades?
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unless you have software equipment and most of all the actual knowledge i suggest you hire a reputable shop to perform the task for you.
since the ecu controls air/spark/fuel it must be reprogrammed, the larger injectors are useless without the ecu sending more fuel etc.
software is a must to have the car run properly be reliable and prevent catastrophic damage to the engine.