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Suspension & Braking Forum by BimmerWorld
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Old 02-28-2013, 12:01 AM   #1
adaseb
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Who here is still on their original rear brake pads?

Been 11 years and over 100K miles and I still have plenty of pad life left.

Been checking every 6 months or so and they barely ever seem to ware.

The front I already changed twice.

Last edited by adaseb; 02-28-2013 at 12:01 AM.
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Old 02-28-2013, 12:03 AM   #2
Zell
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That's a really bad sign, unless your car has seen an absurd amount of highway miles with almost no braking.

How many fronts have you gone through? If more than one set, you've got some severe braking problems with your rears.

Edit: saw your edit. 2x fronts? Yep, you've likely got braking problems. It's more commonly a repetition of front - rear - front - rear, etc. due to how brake force is distributed in cars.
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Old 02-28-2013, 12:13 AM   #3
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Hmmm, while not a bimmer, my '05 Civic Hybrid has 207k, have replaced the front pads once, still on the original rear pads.
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Old 02-28-2013, 02:32 AM   #4
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Sell the pathetic 320i. It doesn't go fast enough to need rear brakes.

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Old 02-28-2013, 04:31 AM   #5
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When I replaced my front pads after 60K miles, my rears hadn't worn 1/2 way yet...close to that, but not quite. The 'rule' seems to be that they'll last twice as long (plus or minus), but other things, like what pads you have in front or rear might make a difference. Guys seem to change pads a lot...and if they do on one axle, they'll affect brake bias. You might have good (OE) pads in front and some low dusting pad in the rear which wear even less. Or you might brake like I do...very hard and late whenever possible...that will extend brake life too.

But, if you haven't bled brakes in a long time, might be the rears aren't gripping as well as they should. Brake bleeding should be done every year or two...which means most probably haven't done it in many more years than that.

It might be nothing, or it could be bleeding, but I don't think it means you've got a serious issue...not that you don't, but I'm not seeing it necessarily. You're concerned a little...look into it a little just to be sure.
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Old 02-28-2013, 09:42 AM   #6
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How do the rotors look? Is there uneven wear or scorings? I would make sure the pads actually actuate, to rule out any possible issues like seized calipers, clogged hose etc. You could easily push the piston back manually, slip a piece of paper between the rotor and pads, and have someone hold down the brake as you try to pull the paper out out..
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Old 02-28-2013, 09:58 AM   #7
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Doesn't sound to crazy to me just look into it some. Like mentioned usually you'll use two sets of pads up front before rears. I did all 4 on my 330 when I got it and the rear rotors and possibly even the pads were original at 82k.
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Old 02-28-2013, 10:00 AM   #8
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Doesn't sound too ridiculous to me.
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Old 02-28-2013, 11:09 AM   #9
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I agree with ^. Majority of stopping force is done with the front brakes.
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Old 02-28-2013, 11:20 AM   #10
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Rears lasted nearly 120k. Fronts were previously replaced in 09' ish. So I did pads and rotors at the same time. I do a lot of highway driving.
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Old 02-28-2013, 03:21 PM   #11
adaseb
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I bleed the brakes periodically and the rear do work because I can see them wearing but they wear very very little.

And yes I did do a lot of highway driving.
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Old 02-28-2013, 03:52 PM   #12
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My rears lasted until about 120k. I did many highway miles between 45k and then.
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Old 02-28-2013, 05:10 PM   #13
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Quote:
Originally Posted by Zell View Post
That's a really bad sign, unless your car has seen an absurd amount of highway miles with almost no braking.

How many fronts have you gone through? If more than one set, you've got some severe braking problems with your rears.

Edit: saw your edit. 2x fronts? Yep, you've likely got braking problems. It's more commonly a repetition of front - rear - front - rear, etc. due to how brake force is distributed in cars.
Or he put on crap pads the first time he changed them. The fronts do most of the braking.
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Old 03-02-2013, 03:12 AM   #14
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I was at 193k...just changed them out about 3 weeks ago.
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