For the sake of time, I'm starting this thread as a go-to for the proper setting for IS models with excessive tire wear issues on the inside of the FRONT tires only.

Like many others, I recently took my car in for the 30k mile service on my IS350 F-Sport and was told that my tires had excessive wear on the FRONT tires only.
1) OEM tires are Bridgestone Turanza EL400-02...with just under 25k miles on them.
2) The car has NOT been lowered or altered in any other way that affects driving. It is completely STOCK.
3) Car is a daily driver. It has seen ZERO track time.

Was notified by the tech that I have 5/32" tread wear left on rear tires (even wear) but the fronts are substantially less on the inside. Tech advised me to purchase new tires for the front to address the issue. After asking him if there were ANY alignment issues, he flat out said "no" but added that the camber is slightly negative to help with performance (steering). After looking through many of these threads going back to 2008 I found what I think is the answer but wanted to confirm...

According to lobuxracer, the FRONT tires need to have the toe set to 0. The rears are left at factory settings. Can someone please confirm this (as true or false) as the solution for this issue?

This uneven treadwear problem appears to be a commonly, annoying and costly for those of us that have not slammed our vehicles nor track them regularly. Please advise what has been proven. I'd rather not have this thread turn into speculation about what "could be". Thanks for your help!

 

Doesnt work. I had my tires flipped cuz i had almost bald inner tire. So after flipping it. I had alignment. After 6 months. the inner tire are bald the only solution is to get the bushing from figs engineering.

 

Yeahh our cars come a little too much negative camber stock.

I would still get an alignment to correct toe.. It's nearly impossible to set it at 0 but you want it to be as close as possible.

 

This is pretty much the only solution for the inner tire wear.

https://www.clublexus.com/forums/sus...0-duro-hp.html

The soft lower control arm bushing in addition to slightly aggressive camber from the factory are the sole reasons for the inner side of the front tires to be worn out quicker.

Close to 0 toe will help, but the bushing will help more.

 

getting 0 toe is easy, but like other members said, the toe goes out of whack when braking so the figs bushing is needed.