AP 558 R4/R4E
Front for BMW: 92-98 318 Series E36, 95-98 318Ti, 98-00 323 Series, 91-99 325 Series E36, 01-07 325 Series E46, 97-00 328 Series E36, 97-00 328 Series E46, 96-02 Z3, 03-06 Z4 2.5i, 03-09 Z4 3.0i
AP 396 R4-S
Rear for BMW: 96-98 316, 93-95 530i, 89-93 535i, 89-93 535is, 93-95 540i, 88-94 750iL, 87-91 95-99 M3, 98-02 Z3 M Series, 92-93 730i, 87-92 735i, 88-92 735iL, 93-94 740i, 93-94 740iL, 89-93 M5
R-4 – Our original road racing compound that is very rotor friendly and easy to modulate, has medium friction with a 0-1400 temp range. Optimum temp range for this pad is 450F – 1200F.
R4-E – The Endurance compound has a slightly lower friction than the R-4 but is designed to wear longer for enduro races(4-6HOURS). Characteristics are much the same as the R-4.
R4-S – The performance street pad, this pad offers the least dust and squeal of any of the street pads we carry. It is very rotor friendly and will last as long as your stock pad but typically they last a little bit longer.