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Suspension & Braking
Have some questions about suspension or brake setups for your E46 BMW? Get all your answers here!

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Old 05-01-2011, 02:47 AM   #1
XscoreX
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Rtabs or wheel bearings causing tire failure?

Ok I was driving my wifes 02 vert today when the tire blew out and shredded. When I pulled over and put on the spare I looked at the tire and the very inside edge of the tire had worn down to the threads, same with both rear tires. The rest of the tire had about 70% tread. I have had issues with a roaring noise in the back but recently it had gone away. When I got how I jacked up the car and tried to wiggle the wheels to check for play but they were solid. Now im totally confused. Car has just over 100k on it and we bought it this year. What do you think it is? Control arm bushings or possibly wheel bearings?

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Old 05-01-2011, 02:49 AM   #2
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Also wanted to mention that the car had nos shudders or really any vibration other than the roaring noise, it tracked straight so im totally confused

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Old 05-01-2011, 02:53 AM   #3
330i ZHP
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too much camber or too much toe
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Old 05-01-2011, 03:21 AM   #4
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When I jacked it up seems as if the wheels slid out like they had negative camber, didn't notice toe.

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Old 05-01-2011, 11:28 AM   #5
wamcneil
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I'm having similar issues to a lesser extent. I don't have definitive answer for you, but I'm fairly certain it's not bearings.
The car was aligned not too long ago and looked good, so I suspect it's bushing deflection under braking, causing a toe-out situation when the brakes are loaded up. I too have no obvious looseness and can't get the wheel to move around pushing it about by hand with the wheels off the ground.
I had similar wear on the front that was caused by bad control arm bushings.
Does anybody know which rear bushing(s) tend to fail first on these cars?
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Old 05-01-2011, 01:03 PM   #6
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Too much camber, too much toe and probably some shot RTABS.
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Old 05-01-2011, 03:38 PM   #7
xixixi
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Get that thing on a rack, get back to us with your print out. From there, we can tell you whats failed in the suspension! GL
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