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2010 2011 BMW 5 Series Forum F10 Brakes Pulsating - Question |
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04-24-2017, 09:41 AM | #1 |
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Brakes Pulsating - Question
So my rear rotors were mashed up pretty good so I went ahead and replaced them with new pads as well. Shortly after, my car started to get some serious pulsating under hard braking.
Question is... do you think that replacing the rear pads could cause the fronts to wear? My theory was that the rear pads/rotors weren't up to the OEM standards causing the fronts to work harder. I'm reaching here. Got the front rotors cut and it's worse. Guy did a horrible job. Thought? |
04-24-2017, 10:16 AM | #2 | |
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04-24-2017, 10:48 AM | #3 |
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Ordered new front zimmerman coated rotors and pads today. Wonder if I should replace the rears, even though I just replaced them about 10,000 miles ago.
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05-15-2017, 01:55 PM | #4 |
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You should be fine on the rear. I wouldn't bother with those at this point.
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07-07-2017, 01:23 AM | #5 |
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Had a similar issue. On a long drive I came across an unexpected speed bump and stomped on my brakes like I have never done in my life. Foe a good 5 seconds it felt like the brakes were jelly but they did their job. The next day braking from 200kph resulted in very loud grinding sound. Took the wheels off and the front rotors had reddish spots on them. Took them out and had them turned.
Hellish vibrations introduced after this turning. Removed them and asked the workshop to turn them again since they were still within spec. There was improvement but that unbearable pulsation was still present. Bought new rotors and it is now as smooth as silk! I am skeptic doing the aggressive 8 or so break in stops. Reading INSTA there is only mention of gentle us for 200km or so to break them in. I am going with that seeing that majority of cars are not broken in aggressively and seem to do just fine. I noticed these rotors emerge rather "rough" from the lathe. It is as if they are made of softer material compared to most. |
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