51162405916 Genuine BMW M Performance Carbon/Alcantara Armrest 1, 2 Series. New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). Brand New Genuine BMW M Performance Carbon/Alcantara Armrest 1, 2 Series. Part number 51162405916 Small details make the biggest difference: the armrest completes the exclusive motorsport look in