View Single Post
      08-07-2014, 06:01 PM   #17
stressdoc
Moderator
stressdoc's Avatar
Dominica
618
Rep
10,855
Posts

Drives: BMW i8; Toy 4runner TRD pro
Join Date: Jun 2005
Location: Waco TX

iTrader: (0)

Quote:
Originally Posted by tom @ eas View Post
It's a tough road ahead for wheel manufacturers in order to keep within the ballpark of stock weights.
The 18" 513M wheels per BMW weigh 19.1 / 21.4
The 19" 437M wheels per BMW weigh 21.9 / 22.7

Current weights for BBS RI-D
front 19 x 9 22 5x120 72.5 bore = 7.4 kg (16.3 lbs.)
rear 19 x 10 25 5x120 72.5 bore = 7.7 kg (16.98 lbs)

Unbelievable! > 2.5 kgs (5.6 lbs) lighter per wheel !!! Over 22 lbs less unsprung weight in total.

$ = 2.5k per wheel...
Appreciate 0