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      02-06-2021, 12:43 PM   #92
Ninefourteener
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Drives: 2020 X5 M50i
Join Date: Sep 2019
Location: American in Belgium

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Quote:
Originally Posted by AmooManiak View Post
Nice, thanks for the review. Would have loved to see before and after performance numbers. It's always hard to measure a butt dyno.
Agreed... the "butt dyno" is highly irregular and unreliable.

My butt-dyno says maybe a couple extra hp at the high end of the RPM range. Not much more. I didnt expect much though. I dont think anyone should.

If nothing else, it's the last time I'll ever buy filters for.it.
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2020 X5 M50i, Alpine, B&W, Air Susp, anthracite, coffee, **CD player**:
12+ PAGE BUILD THREAD:https://g05.bimmerpost.com/forums/sh....php?t=1694019
690HP / 928nM Dynotune:https://g05.bimmerpost.com/forums/sh....php?t=1729813
6-Piston X5M Big Brake Kit:https://g05.bimmerpost.com/forums/sh....php?t=1779038
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