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HR F10 HR F10 is offline
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Posts: 4
Join Date: Apr 2015
Car: 2011 550i M-Sport
Default 06-28-2016, 11:59 PM

I have a stage 1.

Is this new stage 2 different from the old stage 2?

If so, does it run safer than the old stage 2? (coil or maf going bad)

Is it worth it to upgrade to this new stage 2 if we plan on running 93 most of the time?


550i M Sport - Alpine White - Vossen CV4 Graphite / H&R Sport springs / Active Autowerke Down pipes & Exhaust / BMS Stage 1
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