Hb399S.630 - Hawk Ht10 Race Brake Pads - Bmw 318, 325, 328, 524, 528, 533, 635, 735 - Rear - Intermediate To High Torque With A Smooth Initial Bite. (Sounds Like A Wine.) - Good Higher Torque Pad For Medium To Higher Hp Cars. Can Be Difficult To Bed, And If Not Bedded Properly Will Squeal. Can Be Driven To And From Events. Easier On Rotors Than Hawk Blues.