![Just finished fitting B9 S4 6 piston calipers to B8.5 S4... it's a pain, but can be done, and far more cost effective than other BBK's : r/Audi Just finished fitting B9 S4 6 piston calipers to B8.5 S4... it's a pain, but can be done, and far more cost effective than other BBK's : r/Audi](https://i.redd.it/sxlqkv1hpm361.jpg)
Just finished fitting B9 S4 6 piston calipers to B8.5 S4... it's a pain, but can be done, and far more cost effective than other BBK's : r/Audi
![Just finished fitting B9 S4 6 piston calipers to B8.5 S4... it's a pain, but can be done, and far more cost effective than other BBK's : r/Audi Just finished fitting B9 S4 6 piston calipers to B8.5 S4... it's a pain, but can be done, and far more cost effective than other BBK's : r/Audi](https://i.redd.it/kwt3sv1hpm361.jpg)
Just finished fitting B9 S4 6 piston calipers to B8.5 S4... it's a pain, but can be done, and far more cost effective than other BBK's : r/Audi
![Just finished fitting B9 S4 6 piston calipers to B8.5 S4... it's a pain, but can be done, and far more cost effective than other BBK's : r/Audi Just finished fitting B9 S4 6 piston calipers to B8.5 S4... it's a pain, but can be done, and far more cost effective than other BBK's : r/Audi](https://i.redd.it/t5unfv1hpm361.jpg)