@Andy calipers look spot on but the piston on the BKD is 40mm and the gti is 38 as I've found so now have a diesel caliper for sale
![doh :doh:](https://www.mk5golfgti.co.uk/forum/Smileys/newsmileys/facepalm-gesture-smiley-emoticon.gif)
on the positive side I've rebuilt my left caliper today and have a brand new one for the drivers side all scotched up ready for black paint so can't be bad
![Smiley :smiley:](https://www.mk5golfgti.co.uk/forum/Smileys/newsmileys/smiley.gif)