Get 'em and install 'em. You'll be happy. Forum members have been installing 'em in quantity over the last ten years. Many members have installed 'em to eliminate the cowbell sound of some OEM units.caweter said:i need a new rotor and was wondering if anyone has used ebc parts they r half price of oem bmw parts! just looking for best deal on great parts! any help appreciated! thank you! and yall!