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| You should bring it to the dealer and have them check to see if your E46 has the lastest program installed. I went through the same process and found out that I'm running a very old program so they had to upgrade it to new one which cost me about $100.00 but on the brighter side after the upgrade program my rough idle during cold weather went away .
__________________ -Chet Mods : AA Exhaust|UUC Pulley|CAI|Stygar SSK|SI|DiffsOnline 3.46 LSD 40% Lock|TCKline Coil-overs|18x9 Rims| 8k HID | Performance Ignitions | LTW Driver! |