In sport mode, usually when warming up or on cold days, I would also get loud burbles and pops; but always at lower rpms, but also goes away after warmup.
I do have the MPE tho.
__________________
BMW F22 M235i M Performance
VMR 18" V710 Staggered | M Performance Exhaust | M Performance Splitter | M Performance Diffuser | M Performance Grille | M Performance CF Interior | CF Mirror Caps | CF Trunk Lip | 35% Ceramic Tint
|