It seems like ECS Tuning has a sale on these wheels. I have no idea how good or bad they are, but if someone is looking for 20" relative cheap wheels, here they are - linky 450$/set of 4.
Pics from ECS:





I'm not affiliated with ECS, just trying to help if someone is looking for some cheap wheels.

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Stable: e92is, e46 M54B25, e83 N52, e53 N62 - sold, e39 M54B30 R.I.P.