Quote:
Originally Posted by ngerhartz
I recently decided to look into making modifications to my 2015 228i and so far have upgraded the intake and have flashed a stage 1 91 oct bootmod3 tune with hopes of flashing a stage 2 after the downpipe. I have a catless downpipe ready for install and just wanted to pick yalls brains on the safety of these tunes as I am not trying to blow up my daily driver.
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I daily drive a 15' 228i , VRSF Catless DP, FMIC, on BM3 91 ANCI Stage 2.
Driven the car in this state for over 40k miles, no problems whatsoever just kept with regular maintenance.
I flashed stage 2 way before I did the charge pipe and intercooler, and honestly depending on your area you can definitely get away without it at least to start. I'd put on your DP and flash Stage 2, just make sure to keep an eye on your logs and don't push the car 110% until you have that FMIC.