This Fits Your 2012 BMW S1000RR
Full size assembly image of HP hand lever, folding (1/2)
HP hand lever, folding (1/2) HP hand lever, folding (2/2)

HP hand lever, folding

K42: HP4 (0D01, 0D11): (2012-2015)
K46: S 1000 RR 10 (0507,0517): (2009-2012)
K46: S 1000 RR 12 (0524,0534): (2011-2015)