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      01-21-2018, 07:13 PM   #17
SeanWRT
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Drives: E90 M3 & F87 M2
Join Date: Sep 2015
Location: Shanghai

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Quote:
Originally Posted by MTWO View Post
What’s the difference in spool up between Stage 1 and 2? You seem to have that boost dialed in really nicely with BM3 on a Stage 1!
There is noticeably more wait on power with a STG2 turbo, especially from a back to back driving. Also much more power, make no mistake. I've said it many times - STG2 is every bit worth it to the most.

On stock BW turbo frame, beyond STG1 everything is a tradeoff - well I even thought STG1 compromises spool up a bit until log and dyno prove otherwise.

Along with power goal, you will want to think about what to give. To me, injection kit of any kind and flex fuel are no-goes. Which means, without DI fueling solution, I don't even consider STG2 as an option.
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