HUGE HORSEPOWER UPGRADE!!

Installing ‪@ARMMotorsports‬ downpipes on our 2021 BMW M4 Competition G82!
Tuning was done using bootmod3 (‪@protuningfreaks‬) .
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#car #bmw #downpipe #dyno #unboxing #fyp #performance #mechanic #precisionraceworks

[@MrJsevo29]

Keep the updates coming love it! Great people over at ARM as well!

[@Brocoboy24]

Great video!

[@PrecisionRaceworks]

Glad you enjoyed it!

[@MrJsevo29]

Was the E50 tune custom or OTS?

[@PrecisionRaceworks]

E50 was just OTS BM3 map these motors just want to make power

[@MrJsevo29]

@PrecisionRaceworks wow so with a custom tune it will likely make even more power. Crazy!