Brake rotors a must change?? - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 11-03-2005, 11:45 AM
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Brake rotors a must change??

Guy I work with has a 323i and he asked me about changing his brake pads.

He claims that everyone he talks to tell him he MUST change his rotors as well when he goes to change his pads.

He asked me about it and I told him that doesnt make sense, especially since it is a BMW and I wouldnt think they would use POS rotors. His rotors have about 45k miles on them and they are not warped. They are fine.

Is this true about having to change the rotors?

Thanks

EDIT: It is a 323i

2004 Black/Black Z06
Currently: Bone Stock
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#2 (permalink) Old 11-03-2005, 01:19 PM
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look in the hand book...there will be a minimum size(thickness) that they can be

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#3 (permalink) Old 11-03-2005, 07:00 PM
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No, he doesnt have to change the rotors as logn as he didnt drive the pads down to the metal so much that it scrapped up the rotors or warped them.


Everyone he is talking to must be from the shady part of town.


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#4 (permalink) Old 11-06-2005, 02:23 PM
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BMW recommends changing the rotors along with the pads to maintain the BMW Braking Qualities you would expect from the vehicle. The reason being is that the BMW Rotors are made of a softer metal than most vehicles. Alot of books dont offer a minimum thickness to the rotors for that reason.

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