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      04-01-2008, 10:42 PM   #30
GregW / Oregon
Drives: 2015 M4 Coupe, 2012 ML350
Join Date: Nov 2005
Location: Lake Oswego, OR

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Wheel weight

Originally Posted by JEllis View Post
Huh? The 19's weigh about 4lbs more per wheel. Thats 16 pounds of unsprung weight or equivalent to about 64lbs of sprung weight using the "times four" rule of thumb.

I have yet to see hard data to support that weight difference. My weighing of 19s with tires, and subtracting out tire weight, puts them at;

Front: 47.0 - 24 = 23.0# wheel weight
Rear: 51.5 - 25 = 26.5# wheel weight

Post #10: No way the 18s weigh 4 lbs less than that.

Greg Lake Oswego, Oregon, USA
2015 M4 Coupe - Silverstone/Sakhir/CF
2012 ML350
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