View Single Post
      07-16-2022, 09:59 AM   #41
TopJimmy
Major General
TopJimmy's Avatar
United_States
5529
Rep
5,203
Posts

Drives: 2023 M3 Comp xDrive
Join Date: Jul 2019
Location: Chester County, PA

iTrader: (5)

Quote:
Originally Posted by daruuuuton View Post
So the best option is to get another DME for tunes and your stock DME for SMOG?

Or can anyone confirm they are able to save the OEM tune using bm3 and flash back to pass smog?
I was heavily tuned and running downpipes, no pass. Then I put my cats back on and flashed BM3 to my Stock tune, and passed. This was PA.

Swapping a DME is a fairly involved job (done it), so I wouldn't unless it's a last resort.
__________________
'18 F80 Base 6MT | '19 F82 Exec DCT | '18 F82 Comp Exec DCT | '23 G80cx
Appreciate 0