BoostCreep717

e30 MHD Stage 2+ Cyl 2 - Timing corrections , Need advice 2013 535i


BoostCreep717

e30 MHD Stage 2+ Cyl 2 - Timing corrections , Need advice 2013 535i

Noticed some negative timing corrections on cyl -2, Fresh NGK step colder spark plugs, Stage 2+ (FMIC Catless DP, Charge pipe) any ideas on how to fix the negative timing corrections?
Discussion