Easiest Way to Push More Power? Stock F30 440i M Sport [Archive] - Bimmerforums

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jacobjmusk

11-21-2021, 12:26 AM

Title. Looking to push more power cheaply, while still being able to return the car fully to stock for when I want to sell. California Compliant please. Thanks!

328 Power 04

11-21-2021, 03:49 PM

Tune (there are some California compliant ones) or a JB4 device.

dworthy

11-23-2021, 07:15 AM

+1

Just takes a few minutes to upload most tunes and depending on what you have/want can be customized too.