Originally Posted by mrchris1979
For clarification. I emailed Jeff at Burger Tuning last week and he verified that Stage 1 will need to be purchased in addition to the stage 2 upgrade if you want to run stage 2 right away.
This is the only reason holding me from buying this tune. I know that members like Alan have stated that they went straight to stage 2 with no issues but Terry and other Burger Tuning employees keep saying that you need both stages.
I would like for them to explain in detail the reason why both stages are needed.
2011 535i (07/2011 build) Imperial Blue, Oyster/Black Interior, Anthracite Wood Trim, ZSP, ZPP, ZP2, ZCV, 2TB, 6NF, 6NR, JB4 S2, BMS Intake, Center Muffler Removed.