Bought BM3
obviously do not need this it comes with the aluminum case. I bought it all from here few months ago
Fits
BMW 2 Series:
• 2014+ N20/N26 F22 F23 220/228
BMW 3 Series:
• 2012+ N20/N26 F30 320/328
BMW 4 Series:
• 2014+ N20/N26 F32 F33 F36 420/428
BMW 5 Series:
• 2011-2016 N20/N26 F10 / F11 520/528
BMW X Series
• 2013+ X1 E84 N20
• 2013+ X3 F25 N20
BMW Z Series
• 2013-2016 Z4 N20