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#1
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Alignment
Took it for alignment (see printout attached), and now I feel like car is pulling to the right a bit. Not sure if it's just crown of our roads or my caster is out of wack (right side less than left). What do you guys think about slight pull and excessive outside tire wear? |
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#2
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read this thread: https://www.bimmerfest.com/forums/sh...d.php?t=668729
your toe on each wheel should be 0.01 to 0.02. Your camber is seems aggressive. What size tires? What tire pressure you running? I know you will find the whole 'toe is the root of evil' thing hard to accept. People eventually do though, as you will read in that thread. Caster cannot be changed, should not be your issue. |
#3
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I actually asked mechanic to do 0.02 toe in all around, but he convinced me not to do it because it would be out of spec. I guess I shouldn't have listened to him and insisted on 0.02. My tires are so worn on the outside that I will most likely need to change them within next 5k miles, and most likely do alignment again.
I got sport package, so it's 255/50-19 all around. I used to run 32/35 psi (per door sticker), but now changed it to 34/35 psi, and do feel ride to be a bit harsher. What's the best camber setting, why do you think it's too aggressive? Also, I moved two most worn tires to the rear, but now since toe is 0.06 in the rear, not sure if that was the right move. Last edited by isarkisov; 09-01-2019 at 01:04 AM. |
#4
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He is wrong, 0.04 IS NOT THE SPEC. Quote:
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All I can thinks is with low pressure the sidewalls are 'rolling under' due to the toe in and you are getting outer edge wear. More pressure on the fronts should help. Do keep in mind that 'door jamb' numbers assume FULLY LOADED car. Do you drive if fully loaded? If only 1-2 people, inflate the tires to match. I actually will run more air up front for a big diesel with a 105lb driver. 36/34. Quote:
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If it rains where you are, just beware this can lead to hydroplane-induced oversteer. (all things being equal, when you begin to hydroplane, the rears- with less tread- may release first.) Just keep it in mind Last edited by ard; 09-02-2019 at 12:17 PM. |
#5
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lol
burlingame. Same has here. a month or two before the rain.... |
#6
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Your outside wear problem was most likely due to the excessive .09" toe-in and the low inflation pressure. Check the tire sidewall for the max allowed inflation pressure. Then pump the front tires to 40 psi. This is what I run and it will reduce the edge wear. If tires don't have an "outside" marking, dismount and remount with worn edge inside.
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#7
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Yep, hoping to get decent amount of rain this season, you know how it is here , you never know... I also go skiing at Tahoe, so I might have to change tires this winter if we get a lot of snow.
I will go with 35 psi all around and see how that goes. I occasionally tow wake boat, do you recommend increasing tire pressure when towing? |
#8
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Don't you think 40 PSI in front would be too much causing very harsh ride and hard on suspension? |
#9
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Personally I dont think you need to max out in one step.
If you want to 'save' the current tires for as long as possible, sure- maybe go to 40 and try and have them basically riding on the center of the tread... But if you fix the alignmnet, get down to 0.01-0.02...then 36 is prolly fine. dont worry about 'harsh on the suspension'... it is taking an absolute BEATING with everyday use. Will it feel harsher? yes. you wont really notice it in a few weeks. oh, do you know about www.newtis.info? They have specs there. Although BMW used to include 0.00 as 'in spec', I think it now has 0.02 front as the min (and 0,00 rear as before) GL |
#10
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I'm surprised your max inflation pressure is only 40 psi. What type of tires are these? My Goodyear LS2 runflats need 50psi to get the advertised load rating. My non-runflats on other Bimmers are in the mid 40's. I run fronts at 40 and rears at 36 on the X5. Outside edge wear has all but disappeared. |
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