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The Tire Rack's Tire & Wheel Forum
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Old 12-30-2008, 03:37 PM   #1
homervins
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Bent Rims? Gas Pedal Pulsating/Vibrating

2004 325xi (E46) with 25,000 miles.

When driving above 30mph, the gas pedal is vibrating/pulsating quite noticeably. Initially thought that I had a flat tire, but the tire pressures were all normal.

Took it to dealer, and they did a half-ass job of checking it. Told me that there werent sure why. They said it could be bent rims, bad tires, or lastly the axles.

Anyone else have similar issues in the past or know what is the most likely cause?

I am about to buy 4 rims w/ tires from craigslist but wanted to ask the forum experts if they had any ideas.
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Old 12-30-2008, 05:56 PM   #2
shadow 2
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Unless you need new tires and wheels, why would you replace what you have if you don't know if it will fix the problem? Any competent tire store can put your wheels on a machine to see if they are bent/out of balance. I would start with that first before I dropped a bunch on new wheels and tires.
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Old 12-30-2008, 06:46 PM   #3
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The weird thing is that you are having a pulsating gas pedal... Double check your tire balancing. Maybe a weight has fallen off or it could be a bent wheel. I recommend using a Hunter Road Force balancer to check if the wheels out of round. Thats what we use here and we love it!

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Old 01-04-2009, 03:36 PM   #4
homervins
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Thanks VMR Wheels.
In case anyone is also wondering, the reason for the gas pedal pulsating/vibrating is because my left front and left rear rims are bent (pictures attached).

VMR Wheels: Can you tell me if it possible (and recommended) to repair these?
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Old 01-04-2009, 04:20 PM   #5
shadow 2
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Looks like you hit a moon crater at 60 mph! Both wheels! However, these should be repairable if you have a competent shop nearby.
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Old 01-05-2009, 04:28 AM   #6
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I would send those pictures to a wheel repair place (i see those fix-a-rim / truwheel ads everywhere). They will be able to evaluate whether these can be safely repaired or not. My best guess is that they can bang it out, and then dial out the vibrations with a road force machine.

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Originally Posted by homervins View Post
Thanks VMR Wheels.
In case anyone is also wondering, the reason for the gas pedal pulsating/vibrating is because my left front and left rear rims are bent (pictures attached).

VMR Wheels: Can you tell me if it possible (and recommended) to repair these?
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Old 01-09-2009, 08:42 AM   #7
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THOse wheels have to be checked out on a machine, the pictures show that the dents are reapairable but without spinning them you can't see if the damage is structural or not.
One thing is for sure, you never BANG IT OUT. The wheel would need to be professionally repaired using electric/hydraulic equipment. Hammer's may work on fixing a
windshield but never on a wheel.
Roadforce eliminates vibrations within a rim/tire assembley but when a wheel is excessively bent it can not do it & the machine will say to replace the wheel.
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Old 01-12-2009, 01:26 AM   #8
03SVTcobra
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Geez this is becoming a habit. go to www.unitedwheel.biz I have had them fix wheels before and the pricing is very very fair. you can call them at 423-337-2194 then press 1 and ask for Brandon, tell him Derek with the Cobra told u to call him. Keep in mind they will not be able to tell you anything by looking at that pick, thats easy for them to fix and smooth out to circular but if the rim is "Center Bent" your screwed and then you will be looking for new wheels because there is no way to fix that.
Good luck
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