Quote:
Originally Posted by e90drvr
I understand the aa tune to be the DME software upgrade from Active Autowerke, right? What does stage 2 include?
Thanks.
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People (including me) call it the stage 2 tune because at the time they came out with it, it was a newer version to their original offering. If you were to get an ECU tune by AA you would automatically get this version. Stage two does not mean any other bolt-ons.
For the money if you are looking for best gains for your $$ on a stock 330i N52 get an AA tune and a less restrictive intake (charcoal deleate + K&N or euro intake) which should get you an honest +12 HP/TQ. Then if you want even more go cat-less headers for another 12-15 HP/TQ, problem is you will be LOUD!
The only real gains out of an exhaust is hacking out the CATs and the sweet sound you get!