Quote:
Originally Posted by Second325
Please do let us know. I just picked up a 06 325 and started wondering about this swap. After finding this post I still can't believe after two years there is no definitive answer on the performance gain? The only thing holding me back is if the 325 ECU can be reprogrammed and used? Anyone know I missed the answer in the pages and pages of this thread?
Thanks
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The tuning company I'm working with says it is definitely possible. However, it's not a simple matter of cut and paste. The have to make a custom
maping that will make use of the new intake manifold. The ecu of the 325 shares the same part number as the 330 as well as the engine block, pistons injectors, exhaust etc. The only differences are in the ecu programming, intake maifold and the ehaust tip.