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naoaki naoaki is offline
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Posts: 151
Join Date: Feb 2016
Car: 335i
Default 04-27-2020, 05:44 AM

Originally Posted by Zeezul
The high side occ doesn't delete the flapper unless you buy a flapper delete fitting. Otherwise, you install the "in" hose directly to the flapper and the "out" hose goes to the rear turbo outlet (unless you vent to atmosphere-then you just plug the turbo outlet port and put a filter on the "out" occ port.
I deleted the flapper using VTT's VTA kit. Immediately after changing, blue smoke will now occur during deceleration. Before that, I used BMS's recirculation catch catch kit and had no blue smoke. It's strange because I think that the high side doesn't work at low speeds or decelerations.

BMW 2007 E90 335i
JB4 G5 IOS MHD race flash MMP High flow aluminum intake MMP Hot side inlet Down pipe Outside intercooler Twin oil cooler cp-e charge pipe BMS meth kit turbo lab stage 1 turbo CSF radiator fuel-it stage 1 pump
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