My wifes ML mercedes was even worse than the 1er. When they needed replacing I went with an OEM spec. pad and rotor set up. Ever since then, no problems at all. So glad I did not buy replacements (pads/rotors) from the dealer!
When the 1er is due, I will be looking for a good aftermarket set up.
08 135i |Alpine White w/ Terra Boston Leather|Sport Pkg| Premium Pkg| Shadowline| Gloss Black Trim| Nav| Comfort Access| Active Steering| Steptronic| Htd Seats| Prem. Sound/Sirius| Park Distance| PPK 1|BMS 4LED|M3 Sway Bar