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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > All-Wheel-Drive (Xi / xDrive) Talk > DEACTIVATE AWD to dyno



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      04-15-2018, 10:44 PM   #1
Blueeyesredpanda
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DEACTIVATE AWD to dyno

Where I live don't have AWD dyno, I need to drive about 6 hours to get an AWD dyno. As I will be doing an intake manifold upgrade and tune, I would like to know before and after gain. When the transfer case connector is disconnected, the front wheels will be deactivated. Will I get an accurate WHP?

Last edited by Blueeyesredpanda; 04-21-2018 at 11:14 PM.
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      04-21-2018, 11:14 PM   #2
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      04-23-2018, 04:47 PM   #3
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I mean...I would assume with the actuator disconnected, power will only run to the rear wheels so I would THINK you would get an accurate number. Just remember that rear diff is totally open, not sure if that is going to have an effect at all. Either way, you should see a differential from before and after the mods are installed, just don't know how "spot-on" that is going to be.

Last edited by motiv7891; 04-23-2018 at 04:48 PM. Reason: Grammar
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