I believe the weight of the OEM 17 x 7.5" wheel w/ 235/45 R 17 is close to 50 lbs or somewhere between 45 and 50.

It has been some time since I last checked but I know my Brabus are about 10 lbs more than my OEMs.

I hope this helps.

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'00 E430 White / Gray w/ Xenons
Brabus 19'' Monoblock V, 2 piece
H&R Sport Springs

'03 Porsche Carrera Coupe, Silver / Blk, 6-speed
Xenon, Sport Suspension, Bose, GT-3 Side Skirts . . .