In case you are searching for detail on rubber flex disks: I was checking for my 02/98 E36 M3 with automatic trans the possibility to use a flex disk from the M3 with 5-speed. BMW ETK just showed the bolt hole numbers and diameter which were same 96/6. I found after a long search a site where I got all the details and the difference. In this case

26112226842
Rubber Flex Discs
BOLT CIRCLE DIA = 96mm, OE PART NUMBER = 26117511454, 26112226842
PART NUMBER...MAKE...BOLT CIRCLE DIA....BOLTS HOLES...BOLT HOLE DIA...BOLT HOLE LENGTH.....................................NOTES.. ..........................OE PART NUMBER
GAB01-017...... BMW........ 96mm...................... 6.................. 12mm................ 30mm...................... X3, X5, X6, 3er, 5er, 7er................. 26117511454, 26112226842
pic https://www.powertrainindustries.com...ski7jil2d6ldv0

26112226527
rubber flex discs
PART NUMBER.......MAKE....BOLT CIRCLE DIA......BOLTS HOLES..........BOLT HOLE DIA.....BOLT HOLE LENGTH.........................NOTES.............. ......OE PART NUMBER
GAB-82................ BMW........... 96mm.................... 6.......................... 12mm................... 35mm.................... M3, M5, Z3, Z4................ 26112226527
pic https://www.powertrainindustries.com/story/GAB-82

https://www.powertrainindustries.com/catalogs.htm

So whenever you are in doubt what fits, search for the correct part number for your car in the ETK and then paste that in the search by OEM part number in the above link and you get the details.