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Thread: What causes outer tire wear

  1. #1

    What causes outer tire wear

    I bought my ZHP 5 years ago with 49K miles. When I got the car I had put new Michelins on all 4 corners. I only drive the car about 500 miles a year, and earlier this year I had the lower control arms, bushing, balljoints, struts installed, and an alignment. When I left Florida 6 weeks ago the front tires still looked new. The wife drove the car 750 miles to NC yesterday and the front tires are both worn on the outside edge. They have about 5/32's of tread where the inside has 7/32's. Could it be the age of the tires? I checked the mechanic receipts, all parts were OEM and they are all the corrects ones. The only thing I can think of is the tires are just old and wore out fast or the shop forgot to align it. Any other thoughts?

  2. #2
    Join Date
    Oct 2017
    Location
    Southington, CT
    Posts
    1,114
    can't imagine it's the tires..... incorrect inflation would have likely worn both edges, not just the outer. So I'd suspect improper alignment for them to wear that quickly, especially after the suspension refresh
    Pete


  3. #3
    Join Date
    May 2020
    Location
    SF Bay Area, CA
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    1,038
    Did you get a printout of before/after alignment specs?

    Sent from my SM-G781W using Tapatalk
    2004 BMW 330CI ZHP (well, technically ZAM)


  4. #4
    My mechanic had the alignment done so I don't have a print out. The tires were just inflated before she drove it back - which is why I am a loss for what happened. The car drives and handles like a million bucks - no pulling - steering wheel is on center. I will take it to a shop next week to have the alignment checked again.

  5. #5
    Join Date
    Jun 2012
    Location
    Socal
    Posts
    1,566
    I would say incorrect alignment if everything else is replaced. Maybe too much toe out.

  6. #6
    Here are a couple of pictures - one is of the rear tire which looks normal and one of the front tire that is flat on the side and top
    Attached Images Attached Images   

  7. #7
    Any one know where I can still find a pair of michelin pilot sport a/s 3 225/40zr18 ? I have been searching high and low as the rear tires still have 9/32 tread so I want to find a pair that match for the front

  8. #8
    Join Date
    Feb 2013
    Location
    Austin TX
    Posts
    6,745
    There are some used ones on ebay. Some years ago I bought one in there for my E90 330. The transaction went smooth and I was happy with the deal. Check this one for example:

    https://www.ebay.com/itm/17493801937...oAAOSw93phP4xj
    2005 IR / black / 6MT
    152,000 miles

  9. #9
    TIRERACK.com - Revolutionizing Tire Buying
    Thanks Fredo - I will ping the seller to see what the date is on it. I am tempted to buy 4 new ones even though my rears have 9/32's of tread left as they are close to 6 years old. This is what happens to garage art - if you don't drive it you eventually end up replacing stuff due to age

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