Thanks Artemis. Actually Fundahl was the only one who mentioned the "stupid little metal tab" but must be an issue on all cars I assume.
It is always good to ask people like Matt these specific questions since they are pushing the car and its set up more than most of us and has a direct experience about the car's change of behaviour after certain chassis mods.
2011 BMW 1M: Euro spec, w/out Nav, manual seats. Evolve Race+N55 mid, Michelin PSS, ER charge pipe, aFe ProDryS drop-in filter, CDVx, BMW-IND trunk spoiler matt cf/VO stripe, BMW blacklines, BMW black grills, IND side gills&rear M logo, silver turn indicator bulbs, anthrazit overlays on side creases and on air curtains, MPerformance steering wheel w/VO ring, BMW steel pedals, custom mats, color matched MPower e-brake.