Thanks. Now I believe Bentley says that whenever you remove the two bolts that hold the caliper you should disgard them and replace with new. Are you planning to replace these as well?

I am actually annoyed because I was thinking of rotating the wheels myself, but I got lazy and recalled they said it was free, so I called them and checked, sure enough no charge for the rotation, except that they double threaded my nut with their power tool... will teach me not to be lazy ! Although in all honesty they did give me a chance to take my car back without the rotation as they knew it was going to break, it was most likely too late at this stage..
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'89 244DL M47 162K miles