Hi i have been on the glyco /http-www.elcome.ltd.uk-fm-index.asplang=11 thanks to Mark Halligan and have found out alot of infomation on s2 bearings however still not sure what to do. ineed a set of .5 undrsized bearings for my 3b s2 it would appear no on makes them only standard size this is the case for s2/s4/s6/rs2 infact all 20vt 2226 5 pots I have found that there are loads of bearings that fit but for three points no1 20vt bearings are made with glyco 199 no2 they have a wall thickness of 1,395mm no3 they have nip ie out of round of 0.032 all the the other bearings that fit the journals are made from glyco 40 have a wall thickness of i.406mm and anip of o.o20 2.5tdi bearings are made from glyco199 but not in .5 so what is so special about glyco 199 and why no undersize they do undersize in glyco 40 which they appear to use in the 1.8t20v including the tt dose any one have any ideas or has any one been faced with this problem if not they soon will the milage on these cars is increasing my car had a 1st class service record and i looked after it as I do my s6 but the s2 still failed. any help would be much appreciated thanks