27mm shank aftermarket ET lug bolts for 15mm wheel spacers
12x1.5 thread pitch(set of 20), 17mm wrench recommended
2002-2017 Z4 Roadster
take off one of your bolts and compare the specs
follow your stock torque specs Benefits:
safely mount your rims to avoid a wheel flying off
special anti-rusting multi-layers, not easy rusting even the first black layer striped off!