Just ordered KM3 in E should I change to D?

CaveDiver

New member
2017 JKU - I just ordered some big new tires BFG KM3 in 37x13.50r17 rated E - now I’m wondering if E was a bad choice and if I should change it to 37x12.50r17 rated D. I want the best off-road performance, on-road doesn’t matter. What would you guys recommend? Does the 1in extra width make up for the little less flex? Using steel 17x9.5 rims.
 

A.J.

Active Member
2017 JKU - I just ordered some big new tires BFG KM3 in 37x13.50r17 rated E - now I’m wondering if E was a bad choice and if I should change it to 37x12.50r17 rated D. I want the best off-road performance, on-road doesn’t matter. What would you guys recommend? Does the 1in extra width make up for the little less flex? Using steel 17x9.5 rims.

I would stick with the 13.50’s


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CaveDiver

New member
How far could I air down without beadlocks? Or would it be saver to go with D - I only care about performance in Moab and Colorado, so not sure what I would have to do to make the E perform
 
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