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Can anyone explain the numbering system for the maps? For example, on my head unit the current map version shows NA Next 2015-2, but this map says NA Next 2022-1. Is there a difference between -1 and -2? Will this map work for me?
Thanks
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335i rwd auto, 2015 with m performance LSD and Dinan stage 2. Cts charge pipe, mad 5" stepped intercooler.
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