It seems to me that with the AC on, it will inevitably make your RPM go up because the alternator has to supply enough power to it, and when your RPM goes up, you will start to move, just like when you hit the gas. So I believe that it is completely normal for that to happen.
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-Brian
2X 2006 BMW 325i [Electric Red & Mystic Blue] | ZPP | V1 | Rear Fogs | M3 Lip Spoiler | EAS RemoteKey | BMS Powerbox | Projector90 Headlights w/ LED AE | LED plate lights | OEM Blacklines
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