View Single Post
      09-20-2017, 10:13 AM   #50
epiphanyray
First Lieutenant
124
Rep
352
Posts

Drives: 2003 E39 M5 + 2013 F10 M5
Join Date: Mar 2017
Location: Santo Domingo, Dominican Republic

iTrader: (1)

Quote:
Originally Posted by BadGTR View Post
Oh my. Stock tune and that lean. Still super dangerous. Most dyno shops won't even finish the pull when your air fuel is that lean.
Thanks BADGTR. So AFR is the problem (safety/power). Can a Boost/vacuum leak cause such a Lean condition? What are the culprits in our cars for such a Lean condition?
Appreciate 0