Well since I just shipped out my OEM 19" I had for sale, I thought I'd let everyone know the approx. weights for the tire & wheel combos:
F: 48 Lbs/each
R: 52 Lbs/each
These where done at Fed Ex & they round to the higher full number...eg. Fronts really came in as 47.3 lbs, Rears at 51.2 lbs.
08 E90 M3, JrzB/BB, 360 Forged 8 Mesh, H&R Springs, RPI Scoops, Eisenmann Sport Exh, VRS Lip, CF Decklid, CF Diffuser, OSS LED AE, Rear Headrest V1, '09 iDrive Controller, Euro Rear Fog, OEM BlackLine TL, MRTM Design E90 Pedals & Door Lock Studs