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B58ftw B58ftw is offline
Brad Z
Posts: 15
Join Date: May 2019
Car: BMW 340i xDrive MPPSK
Default Big Boost Stage 3 - 05-24-2019, 08:09 AM

Hi all,
New to this forum and have had my first BMW for only a few months now (340i). I currently have the BMS Intake, JB4, WMI, ER Down pipe, Mission Performance Tune, Mission Performance trans flash, and some NGK 97506 plugs gapped to 0.020". As I bet a lot of you can relate to, it already feels slow to me.

I'm really tempted to go with the Big Boost St. 3 turbo but is it worth it? With the WMI spacer being before the intercooler, the distribution is bound to be uneven so I can't count on that for fueling, and even though my MP tune definitely cracked the DME (I'm hitting 20+ psi on meth map) I know the stock HPFP is weak. I have xDrive so f I can crack the 500whp mark I'd be satisfied. Would appreciate people's thoughts.

Last edited by B58ftw; 05-24-2019 at 08:20 AM..
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