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  1. #1
    Join Date
    Jan 2012
    Location
    Denver, Colorado
    Posts
    611
    My Cars
    840ci

    Quick question on wheel load rating ( E70 X5 4.8L )

    I want to purchase some 20" wheels, 20x10.5 40mm offset on all 4 corners. The preferred tire choice is 275/40/20 all around. Problem is, the load rating per rim is 1280lbs. Now with what I researched about my truck the curb weight is 5335lbs. Does this mean that when I multiply 1280 x 4, the total must be less than the vehicle curb weight in order for it to be deemed safe?

  2. #2
    Join Date
    Jan 2004
    Location
    (northeast) Indiana
    Posts
    19,321
    My Cars
    15 650ix GC & 14 X5 50i
    If you look at the VIN label on your driver's door or door jamb...you should see a GAWR (gross axle weight rating) listed. Wheel load rating requirements are determined by dividing the vehicles heaviest gross axle weight rating by 2.

    If you look at the pic below of a 2006 X5 4.4 VIN label...you can see that the front GAWR = 2789 lbs...and the rear GAWR = 3307 lbs:


    Last edited by Qsilver7; 07-11-2018 at 09:54 AM.
    Become a BMW CCA member! Click HERE to join and feel free to use my BMW CCA member #191509 as a referral.

    2015 650ix GC (Moonstone/Cohiba Brown) <<~>> 2014 X5 50i (Space Gray/Mocha)

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