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      04-30-2015, 07:48 AM   #26
PeterPure
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Belgium
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Drives: BMW F80 M3
Join Date: Jun 2008
Location: Belgium

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2017 BMW F80 M3  [0.00]
I had issues with oem dv holding boost post shift when running 20+ psi. It would drop 5 psi post shift every now and then.

I installed the stiffer spring that pure sent me in the oem dv. So far it runs fine. No more post shift boost drop.
Appreciate 0