Buying BBS tires for my 89 325ic

[smooth]

I am looking for 16" BBS basketweaves for my 89 cabrio.
I'm not lowering it, or haven't yet, and don't want to roll my fenders.

I have been trying to read about offset and everything, but am getting confused. Can someone please tell me whether these 16x8 will fit?

BBS GERMANY
06 89
BMW 1179774
384 ET20
7JX15H2

Or do I need to go down to a 7.5" wheel? (what offset do I need to use a 7.5")
If these don't fit, what offset do I need to use an 8" wheel?

Thank you.

[smooth]

this is strange. I looked at those numbers and they appear to be for a 15x7 wheel. The seller is listing them as 16x8"s.

I've contacted the seller to see which ones he will confirm them to be.
In any case, please tell me what offset I need for a 7.5 wheel and an 8" wheel. Thank you.