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m340i tuning question
How much wheel HP and torque can I expect if I unlocked an 2023 LCI m340i xdrive and did the following:
1- just a flash tune, 93 octane pump gas
2- flash tune + high flow catted downpipe, 93 octane pump gas
3- flash tune + high flow catted downpipe, E85 fuel
Note that the car already has the AWE touring exhaust installed.
Thanks!
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