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1 . DRL_TFL_MIT_RL_BL_2
2. DRL_TFL_MIT_SL_2
3. RL_BL_2_MIT_TFL
It's going to be either one of these three from the FRM module. Which you might or might not have any idea but your friendly local code guy might. Easier way might be buying an OBD bluetooth or wifi adapter and downloading an app on your smartphone and coding it yourself; which you can do by yourself.
Look for BMWHAT app for ios or android.
Their OBD adapter is on for sale but it is pricey.
posted for others as well
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