520

I STFA's but nothing came up....I don't even know but they may be the same calipers, lol.

Alpine 87.5

if you had the part number for yours im sure someone could help you. I havn't tried my etka CD yet, so im not much help. sorry

NJRoadFan

The actual calipers anyway...
4kq P/N:
b#853 615 423 X left rear

b#853 615 424 X right rear

B3 Coupe Quattro P/N:
b#853 615 423 AX left rear

b#853 615 424 AX right rear

Both are made by Lucas. That extra "A" suffix might make a part VERY different though

beermonster

I'm 99.9% certain that they will fit. However, the 4000kq has the Girlking 36 Caliper, the Coupe Quattro has the Girling 38.