The same w/ OE tune, Dinan piggybacks and MHD stg1 & 2 flash tunes w/ OE DP and CTS cat DP.
It seems to happen less if you keep the RPMs up by keeping the transmission in "Sport"; however it still sometimes happens anyway at lower RPMs.
It's a "feature".
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My 2017 M240i: MHD, xHP, Modded OE Intake, AA GESi 400 CPSI Cat DP, Dinan Mid-pipe, M Performance LSD & Rear Diffuser, BMS Exhaust Tips, Apex EC-7 Wheels, M-Tech Front Lip, iND Painted Mirror Caps, Smoked Reflectors