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SignUp Now!Call APR and leave a message for Dave. He'll help you out with the Map. He'll ask for the serial number on your X1 and email you the new map to load. He returned my call here in Hawaii while he was at home having dinner once (couple years ago). Do you still have your cat converters installed? The map i have installed on my X1 is for TRD charger with 7th injector and no cats. Dave called it a hot tune?