So after a few weeks of driving the M3 ive started to notice things that don't feel quite right, for example the on-center steering feels really dead, researching this i found that a worn steering coupler can often be the cause. Today i set about replacing it to find out if it would help solve the dead feeling Its a faily simple process, took me about 1.5-2 hrs.  There were two annoying parts to this process...   1) Finding the right part to order as the LHD and RHD parts are diff