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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Time to do my brakes, need recommendations



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      07-07-2009, 02:43 PM   #1
asifjahmed
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Question Time to do my brakes, need recommendations

Hi All -

Well my SA told me that the rear brake pads are right at 3mm and that it would cost me $675 to do the rear brakes

I would like to do them myself. A few questions:

-Do I also need to replace the rotors?
-Should I stick to OEM pads or go aftermarket? (I would like to reduce brake dust but don't want to hinder braking performance)
-Do I need to replace the sensors?

Any insight, info, links, etc are appreciated.

-Jamie
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      07-07-2009, 03:13 PM   #2
woodnphilosfr
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I would replace the sensor. It has a finicky clip and if you break it it's hard to reinstall properly (if you don't break it you can return the new one). As far as the rotors go they should be good to go if this is your first pad replacement and there is no vibration when you apply the brakes. If you want to make sure they are within spec you can measure the thickness. If not sure what the specs are or don't have the means to measure, take them to the nearest auto parts store they should be able to do it for you.
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      07-07-2009, 08:49 PM   #3
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Measure the rotors, the spec is stamped right on it. Replace the pads and the sensor. You will not be able to reset the service life without replacing the sensor.
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      07-07-2009, 10:15 PM   #4
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Def go aftermarket pads. There are many good alternatives out there. I heard lots of good stuff about carbotech, Cool carbon is another brand to consider.
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      07-07-2009, 10:39 PM   #5
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Quote:
Originally Posted by asifjahmed View Post
Hi All -

Well my SA told me that the rear brake pads are right at 3mm and that it would cost me $675 to do the rear brakes

I would like to do them myself. A few questions:

-Do I also need to replace the rotors?
-Should I stick to OEM pads or go aftermarket? (I would like to reduce brake dust but don't want to hinder braking performance)
-Do I need to replace the sensors?

Any insight, info, links, etc are appreciated.

-Jamie
How many miles are you at? My e90 has 4yr/50k full maintenance!
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      07-08-2009, 08:24 AM   #6
asifjahmed
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I am at 57k miles. It is a CPO car but no extended maintenance plan
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