For what it's worth:

Motul 8100 x-clean C3 5w40 synthetic lists a bunch of approvals on the bottle. Among them are FIAT 9.55535-S2, Dexos2, BMW LL-04, MB 229.51, VW 502 00/505 00/505 01. It's been over a year since i checked, but I also found it on a MB list... Login to read more.