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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Whats the max miles allowed on CBS before the dealer will replace your brakes?



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      05-02-2011, 02:20 PM   #1
samsamwu
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Whats the max miles allowed on CBS before the dealer will replace your brakes?

i have about 6 mnths left on my maintenance/warranty
and CBS says i have 6000/8000 miles left on front/rear brakes
when i can i bring it in and have them replaced/
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      05-02-2011, 03:50 PM   #2
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when they are worn, of course. BMW won't do it early, sensor has to register the code.
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      05-02-2011, 04:14 PM   #3
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do several 100-0 panic stops every day until its worn.
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      05-02-2011, 04:22 PM   #4
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This is the first car I've ever had where the rears wear significantly faster than the fronts. My hunch is it's not physics, it's electronics. Just like new Accords whose rear brakes last as little as 15k. The CBS says my fronts have 41k left, and the rears 24k. The car has 26k and is over 4 y.o. my hunch is the squeaking is somehow stability/traction etc. related.
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      05-02-2011, 05:34 PM   #5
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before your warranty is up bring it in and have them check out your car... mention your brakes squeak... having a cool Service Adviser helps too...
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      05-02-2011, 05:38 PM   #6
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Quote:
Originally Posted by John 070 View Post
This is the first car I've ever had where the rears wear significantly faster than the fronts. My hunch is it's not physics, it's electronics. Just like new Accords whose rear brakes last as little as 15k. The CBS says my fronts have 41k left, and the rears 24k. The car has 26k and is over 4 y.o. my hunch is the squeaking is somehow stability/traction etc. related.
Maybe it's your driving? :P I believe the rear brakes are used as a sort of "virtual LSD" to give it the effect of an LSD, which is why they wear so quickly.
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      05-02-2011, 05:43 PM   #7
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Maybe it's your driving? :P I believe the rear brakes are used as a sort of "virtual LSD" to give it the effect of an LSD, which is why they wear so quickly.
I don't think it can be my driving....but what's this handle with a push button at the end in the center console, can I push it down so it's not in the way while I'm driving?
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      05-02-2011, 06:30 PM   #8
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rear brakes are used a lot of stability control and such.

drive with 2 feet, one on gas, one on brake. should wear it down!
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      05-03-2011, 11:18 AM   #9
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Originally Posted by chromisdesigns View Post
when they are worn, of course. BMW won't do it early, sensor has to register the code.
I have been in before and my brake sensors werent on and the SA replaced them anyways, he told me that the computer told him it was time
I know I cant be the only this has happened to, i was just wondering if anyone knew what the secret mileage acutally is
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      05-03-2011, 11:21 AM   #10
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      05-03-2011, 11:30 AM   #11
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are you driving an auto? if you don't down-shift going into corners, I suspect the DSC kicks-in more often than you think.

Quote:
Originally Posted by John 070 View Post
This is the first car I've ever had where the rears wear significantly faster than the fronts. My hunch is it's not physics, it's electronics. Just like new Accords whose rear brakes last as little as 15k. The CBS says my fronts have 41k left, and the rears 24k. The car has 26k and is over 4 y.o. my hunch is the squeaking is somehow stability/traction etc. related.
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      05-03-2011, 11:48 AM   #12
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Quote:
Originally Posted by samsamwu View Post
i have about 6 mnths left on my maintenance/warranty
and CBS says i have 6000/8000 miles left on front/rear brakes
when i can i bring it in and have them replaced/
I think it's within 1000 miles, but you might be able to get away with a little more than that. Drive your car for another 6 months, and take it in just before the warranty expires.
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      05-03-2011, 12:30 PM   #13
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The rear brakes wear faster because they do most of the stopping on a BMW that is why you don't have a nose dive when going on the brakes hard. my 06 at 90,000 miles went in for service and i asked them to check them they did and they replaced them even though the computer did not say it needed them. the service tech measured the rear pads and they were at specs to be replaced. they just didn't set off the warning.
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      05-03-2011, 02:05 PM   #14
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I am sure its differ from dealer to dealer, I have 2 months and 5000 miles to go before my cabin filter is due, when i bring it to the dealer, my SA "reminded" me that they are due, and should be change out for $150??? HOLY CRAP, I can get one for $50 and put it in myself in 10 minutes.

However, when my brake pad is over 1000 miles and a little over a month due for service, when I ask my SA, he said it is not due yet, obviously not, cause its a free service, so go figure
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      05-03-2011, 04:50 PM   #15
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It's mainly based off a combination of front/rear braking bias and if your rear has an electronic traction control / ESD.

My wife's Jetta (2001) burned thru rear brakes twice as fast as the front. I can tell you that thing has major front dive when braking. It has no traction/stability control. In this case, it's really the braking bias vs. the sizing difference of the front/rear braking system.
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      05-03-2011, 05:12 PM   #16
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Quote:
Originally Posted by John 070 View Post
I don't think it can be my driving....but what's this handle with a push button at the end in the center console, can I push it down so it's not in the way while I'm driving?
Were you driving around with your parking brake not fully disengaged??? That would explain things...
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      05-03-2011, 05:54 PM   #17
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Were you driving around with your parking brake not fully disengaged??? That would explain things...
My thoughts exactly......
That would be the squeakings source
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      05-03-2011, 06:47 PM   #18
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parking brake uses a separate drum/shoe mechanism inside the regular rear brake rotor.
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      05-03-2011, 07:06 PM   #19
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i remember a member on here had like 7-8k left on his brakes, he took his car to a track session and the CBS read 600 miles left on his brakes. Just drive it hard and brake a lot!
About the stomp and the gas and brake to wear out the back, i thought gas + brake threw a code on our cars or something? would it be considered abuse?
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      05-03-2011, 07:12 PM   #20
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Just a quick question, my rear brake service is due soon too... what does this entail? Brake Pads + Rotors or only the pads?
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      05-03-2011, 10:54 PM   #21
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i believe both are supposed to be replaced at the same time
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      05-04-2011, 12:42 AM   #22
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i believe both are supposed to be replaced at the same time
Yep, except when it's going to be on BMW's dime, then they will try to just replace the pads, even if the rotors are only a hair away from out of spec! Then, by the time the pads come around again, the rotors are long toasted, BUT...you are probably out of warranty by now...

But if you go in for a brake job out of warranty, they'll tell you to replace both pads and rotors at the same time, EVERY time!
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