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BMW M5 F90 (2018+) General Forums Engine, Exhaust, Drivetrain, Tuning Modifications    Exhaust flaps

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      09-26-2023, 07:21 PM   #1
greentrbo95gst
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Exhaust flaps

G80's flaps are controlled by DME's and even when a custom exhaust is installed the flaps are capable of opening up to 70% only. G80 owners get Dahler valve controllers in order to open it up to 100%.
Does anyone know if that is the same case on f90's? TIA
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      09-27-2023, 06:24 AM   #2
pbonsalb
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My understanding is that the same is true for the F90. I plan to address this limitation on my car soon. I would probably delete the valves before buying the Dahler controller. First I want to see if my BM3 or XHP will control the valves to 100% open like the Dahler.
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      09-27-2023, 08:52 AM   #3
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Quote:
Originally Posted by pbonsalb View Post
My understanding is that the same is true for the F90. I plan to address this limitation on my car soon. I would probably delete the valves before buying the Dahler controller. First I want to see if my BM3 or XHP will control the valves to 100% open like the Dahler.
Let me know how that works out.
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      09-27-2023, 11:52 AM   #4
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You can get our valve controller here if interested in having that control!

https://valvetronic.com/products/ele...65d71413&_ss=r
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      09-27-2023, 01:16 PM   #5
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Originally Posted by Valvetronic Designs View Post
You can get our valve controller here if interested in having that control!

https://valvetronic.com/products/ele...65d71413&_ss=r
If you guys make it more competitive I will buy two of them.

https://x-ph.com/cg-precision-vsc-2-...nd-controller/
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