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hey gang, very new to this forum and did a search for e90 325i ecu upgrade which lead me here. as this is the most recent thread, i though i'd jump in. i have a 06 325 that came with magnaflow exhaust and simota CF intake. i bought the car a month ago. original owner had no software upgrade so i am looking for best option. any links would be appreciated! so far i have only read about Active Autowerks. was curious about the OE mentioned by OP. thanks in advance!
-DC
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