Reply To: O5/06 E46 M3? Welcome to the GGC Autocross Program › Forums › GGC Autocross Forums › Autocross Discussion › O5/06 E46 M3? › Reply To: O5/06 E46 M3? April 14, 2018 at 9:39 pm #10411 Jack YuModerator Both repairs. SMG locked up, wouldn’t shift into any gear. Sub-frame had minor cracks so it was welded and reinforced with plates.