BMW M4 F82 – Schmiedmann Stage-2 turbo upgrade – Dyno test #1

First dyno test with the new Schmiedmann stage-2 turbos.
575whp @ 24psi

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By | 2017-02-05T12:34:45+00:00 February 5th, 2017|Categories: BMW 4 Series, BMW M4|0 Comments

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