On my 330, I've found that my PF01s pads last longer with the Stoptechs vrs the previous UUC/Wilwood BBK.
If you go to a track that is not hard on brakes, I've seen quite a few people that are happy with the ST street performance pads...the ones that come with the brakes.
2015 F34 328iX GT Glacier Silver
2011 E90 M3 Monte Carlo Blue
2004 E46 M3 Imola Red