WTB: finned Diff cover for E30 M3 4.10 diff

[jdehaan]

i would like to find a finned diff cover that would fit an E30 M3 4.10 diff. if anyone has one let me know. thanks.

[cali-ti]

got mine from bimmerbum on ebay, around $200 i think. came with the paper filter and all hardware for mounting it to the diff.