You may need at least a little to control the VVEL. That's what stopped Haltech from making a standalone for the VQ37 if memory serves me right.
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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent
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