View Single Post
      08-18-2011, 11:02 AM   #10
Second Lieutenant
Drives: 2008 128i
Join Date: Jul 2010
Location: St. Louis, MO

Posts: 283
iTrader: (0)

I believe the 128i only comes with the three stage if you have the n51 variant which has different compression ratios made for emissions purposes
jaf89f is offline   United_States
Reply With Quote