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      04-12-2012, 12:03 PM   #1
s2pidfda
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Drives: 2011 128i Coupe Space Grey 6MT
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AA Tune

Will it void my warranty if i have the AA tune done to my car? i was told that you have to go back to the technician each time if you switch between OEM settings and the AA tuning, so can the dealer still find out that this tune was put in the car before if i switch back to OEM settings?. so is the BMS powerbox better..?

Thanks!
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      04-12-2012, 12:18 PM   #2
Satalite
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The AA Tune is actually and ECU tune. The BMS is a piggyback that you will have to reset every so often.

If you want the option to go back to normal settings with the AA tune you will have to purchase their handset to do it yourself. Normally BMW will not look for that specific modification in your ECU (but they can void it if they feel necessary).

Installation at a 3rd party place is a one time thing. As they charge you labor for installing it ~100-250$... so you wouldn't keep uninstalling/installing
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