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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Wheels / Tires / Suspension / Brakes Uneven rotor wear
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      08-30-2019, 08:28 PM   #1
NasN55
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Uneven rotor wear

Does anyone have an idea what could be causing this uneven rotor wear? There's vibration in the steering wheel during braking at 40-70mph.
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      09-05-2019, 12:39 PM   #2
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Sorry, don't know what is causing that but I have the opposite wear pattern. No unusual braking but I'm not getting rotor wear on the outer 3/8's of inch on the rotor and it's also only on the left front.
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      09-05-2019, 07:28 PM   #3
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OP that's some serious scarring. Either the pad is worn and needs to be replaced. The pad could also have picked up maybe a contaminant and it embedded into the pad causing the surface marks. I suggest bring it to the dealer or an Indy shop and have it diagnosed
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      09-05-2019, 09:44 PM   #4
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Quote:
Originally Posted by lsturbointeg View Post
OP that's some serious scarring. Either the pad is worn and needs to be replaced. The pad could also have picked up maybe a contaminant and it embedded into the pad causing the surface marks. I suggest bring it to the dealer or an Indy shop and have it diagnosed
Thanks. The steering wheel shake is slowly getting worse. I picked up a set of Zimmermann rotors and Akebono pads.
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      09-06-2019, 07:29 AM   #5
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Quote:
Originally Posted by NasN55 View Post
Thanks. The steering wheel shake is slowly getting worse. I picked up a set of Zimmermann rotors and Akebono pads.
Probably tires are out of balance. When I worked at Sears Automotive I can recall a high amount of complaints with steering wheel vibrations and alot of if it was because of wheel weights coming off. Also, when was the last time you had an alignment done? Once the tire has improper wear even after getting the tires rebalanced and rotated in alot of cases will not fix the vibrations because of the improper tire wear. And the last thing I can think of is worn tierods, LCA's and bushings
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      09-06-2019, 02:14 PM   #6
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Quote:
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Quote:
Originally Posted by NasN55 View Post
Thanks. The steering wheel shake is slowly getting worse. I picked up a set of Zimmermann rotors and Akebono pads.
Probably tires are out of balance. When I worked at Sears Automotive I can recall a high amount of complaints with steering wheel vibrations and alot of if it was because of wheel weights coming off. Also, when was the last time you had an alignment done? Once the tire has improper wear even after getting the tires rebalanced and rotated in alot of cases will not fix the vibrations because of the improper tire wear. And the last thing I can think of is worn tierods, LCA's and bushings
I'll have the suspension parts inspected during the brake job.
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      09-06-2019, 06:06 PM   #7
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I'll have the suspension parts inspected during the brake job.
Year and mileage?
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      09-06-2019, 06:39 PM   #8
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Quote:
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I'll have the suspension parts inspected during the brake job.
Year and mileage?
2016 50k
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      09-20-2019, 04:01 PM   #9
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My experience with a bad (warped) rotor was a pulsing of the brake pedal when braking. I concur with the above posting that suggests tire(s) out of balance or perhaps alignment. Typically, this problem is a function of vehicle speed and that seems to be what you've described.
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