I have a set of OEM tires (Dunlop Runflat SP Sport 2x 245/35/R18 & 2x 215/40/R18) that came with the 135i. I used them for the first ~6000 miles last summer, and didn't put them back on in this spring (switched to non-runflats).
Now they are taking up garage space and my wife doesn't like the "I may use them again in 4 years" excuse.
I measured the tread using a set of calipers and got 0.185" for the rears and 0.220" for the fronts.
Local pick in Western NY (Syracuse/Rochester/Buffalo) is preferred, but willing to ship if you are willing to pay the shipping costs.
Make an offer. Anything is better than paying $20 to have them recycled.