Backing out of the garage today, I got a C.E.L. and came up as a vehicle specific code p115c. checked BMW codes but not listed and haven't been able to find anything on the internet. Has anyone seen this code and found out what it may be??

 

I got this too now, says its manufactures air module or somethin...
my original guess was the MAF, since i have the alta CAI and with the oil filter.. figured it got clogged- so i cleaned it out with MAF cleaner from autozone, put it back in, and cel went away. a week later now its come back on again... before the first CEL for it, i had the cai in for at least 8 months... so i'm starting to think it may not be the maf...?