Thread: California Tuners, what's a no-no for smog?
View Single Post
      05-27-2023, 10:30 PM   #2
JoeH128
New Member
11
Rep
23
Posts

Drives: 2012 128 coupe
Join Date: Sep 2014
Location: East Bay, CA

iTrader: (0)
Non-OEM engine management software, unless specifically approved by California Air Resources Board, will cause a vehicle to fail a Smog Check inspection.

https://www.bar.ca.gov/modified-software
Appreciate 0
Quote