try these guys to give you some options. Myself or friends have all ordered from the below companies. Most will have to order in BMW rotors but will have pads etc.
www.vsport.com.au
www.brakesdirect.com.au
www.frysspares.com
Supercheap or repco can order in from DBA
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2006 E87 130i
M3 front and rear arms, M3 Front and rear ARB , Quaife LSD, BMW performance wheel (non electronic), 135i Brakes, DS2500 pads, Apex wheel studs, Adjustable Bilsteins, API Half cage, Hankook Z221's (track) and Bridgestone RE002's (street) 225's all around