09-13-2021, 07:56 AM | #1 |
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Brake system idrive warning
I have a '16 with 47k miles and just got this message on idrive stating my pad(s) is low. The pads look like they have plenty of life left (car is a DD and has never been tracked) so I think it's just a bad sensor. I have BM3 but the code does not show up in diagnostics, how do I know which sensor to replace? I can't find any more info in idrive.
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09-13-2021, 02:48 PM | #3 |
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Oh ok, I thought there were 4 total, good to know, thanks.
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09-13-2021, 05:49 PM | #4 |
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This BMW tool (or a cheaper equivalent) may be useful if you want to see how much thickness each pad still has:
https://www.tillmantools.com/Baum-To.../bmt341260.htm https://www.ecstuning.com/b-genuine-...e/83300492467/. I'm not sure if you can measure the pads on the inside of the calipers with this tool. If not, I'd try measuring each outside pad and then eyeball its inside counterpart to estimate its thickness.
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09-13-2021, 07:58 PM | #5 |
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dradernh , those depth gauges are interesting. I haven't seen those before.
However, I find a simple set of width gauges to be accurate enough for quickly checking brake pad thickness. Something like this: https://www.amazon.com/Steelman-9784.../dp/B003QHSHMW These are steel, sturdy, work quickly, and are easy to poke in for a quick comparison of how much pad materiel is left. Don't necessarily even have to touch the pads with them as you can eyeball comparison if you get them close. |
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