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Discussion Starter #1
This is my first post so bear with me....
Put my '03 325ci in the shop today for Dinan's CAI, Throttle Body, Exhaust and software upgrade. I was later informed that no upgrades would fit my car, except for the exhaust because some '03 325's in Cali and 2 other states have a new super low emissions engine. Got nothing done except for the exhaust. Are there any parts out there that will upgrade engine performance and are compatible with this new low emissions engine???
My car is very new, about a month old....thinking about doing a port and polish. Would this be worth it this early?? How much more power will I feel??

Thanks for the help.
 
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