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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Stoptech BBK Rotor Replacement ?



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      01-19-2021, 03:39 PM   #1
jliffcones
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Stoptech BBK Rotor Replacement ?

Hello Everyone,

I recently purchased a BMW 335D which has a beautiful set of Stoptech 6 Piston Trophy brakes on it. Mfg#: 83.154.6700.R1.

However they seem to be really worn and appear to have hairline cracks all over them. Do I need to replace them? The entire car has only 27k miles on it.

See pictures below:



View post on imgur.com


I have quotes from ECS to replace them.

2nd question, do I need to replace the pads at the same time?

Thanks for your help!
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      01-19-2021, 04:01 PM   #2
fgpalmer71
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Yes....pads and rotors same time.
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      01-20-2021, 11:44 AM   #3
jliffcones
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Quote:
Originally Posted by fgpalmer71 View Post
Yes....pads and rotors same time.
Do they look like they need replacing? The car only has 27k miles on it, and I am unsure when the BBK was installed.
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      01-20-2021, 12:59 PM   #4
fgpalmer71
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Yes!!! Those cracks are definitely NO BUENO. Replace them pronto from what I'm seeing.

I'm no expert but that looks like a ton of stress cracks to me and I'd replace them immediately.
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