F55/F56 :: Hatch Talk (2014+) MINI Cooper and Cooper S (F55/F56) hatchback discussions.

F55/F56 Rear brake discs

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Old Aug 11, 2016 | 02:40 PM
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barmybee
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Rear brake discs

Anybody notice why the rear brake discs have irregular groves on the leading edge of the disc? (F56)

Both my MIN cooper and JCW show signs of grooves.
Is this done for balancing reasons?
 
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Old Aug 11, 2016 | 02:59 PM
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Special Fred Flintstone option?
 
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Old Aug 15, 2016 | 01:29 PM
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Yep , its for balancing the rotor.
 
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Old Aug 15, 2016 | 03:18 PM
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Thanks for the reply ECSTuning

When you see it, you wonder if you have an inferior part fitted. Should have known MINI quality control wouldn’t let anything like that pass.
 
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Old Aug 16, 2016 | 06:18 AM
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Welcome.
 
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