I like the E30 map from MHD - for me, mixing E85 in the tank fixed some bad timing corrections I was having. You do have to buy the monitor module to use that feature - which sucks. I had already paid for Carly BMW which has monitoring, but I found it pretty useless compared to MHD's module.
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And when I die, make sure you spread my blood on a BMW
2012 E92 335i xdrive | KW V1 Coilovers | ER Chargepipe | VRSF 7" HD | VRSF Catless DP | MHD Stage 2+ | xHP Stage 3
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