| 12-03-2021, 05:20 AM | #1 |
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SCHNELL
224
Rep 835
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Pagid RS29 - why you betray me?
Factory rotors, 30km old, 3rd set of rear pads (car may have been driven as BMW M intended...). Fresh RS29 - after factory, 1st set RS29, and then these. Only this third set has coincided with bad disk grooves! I do pick up a few stones on the road course, but it should be between the shield and disk, not the pad?! Any clues? The fronts are running great - DBA 5000 with Ferodo 3.12, cooling ducts.
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| 12-04-2021, 02:45 AM | #2 |
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First Lieutenant
 
143
Rep 320
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Hard to tell from the photos, but I'm seeing cosmetic stuff, nothing that is going to degrade performance.
How are the discs measuring? Is it the same inside / outside? Are right and left the same? |
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| 12-04-2021, 11:08 AM | #3 |
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///M User
25
Rep 216
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Almost looks like the pad had uneven pressure from the caliper pistons. I'd start my troubleshooting with the caliper, unless you think the pad may have been installed incorrectly. I take it the other side is fine?
By the way this rotor is not in good shape. |
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