Intake and MPE will probably give you close to nothing.
Only other bolton tune than chip that would increase your hp/tq would be DP and upgraded intercooler.
Rest is only for fun and games and might make you think it is faster because of the sound.
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320i Activeflex - JB4 - Afe Airfilter - VRSF IC - ER DP - ER CP - @Ethanol
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