FORUMS
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| 12-18-2012, 09:35 AM | #2 |
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Major General
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You don't resurface BMW rotors, especially the cross drilled ones.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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| 12-18-2012, 10:06 AM | #3 | |
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Lieutenant
 
Drives: 2007 X5 E70, 2011 M3 E92 Join Date: Apr 2011
Location: Bakersfield, CA
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Why can't I? If I can't what is your recommendation ? But new ones or just throw a new set of pads? |
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| 12-18-2012, 07:56 PM | #7 |
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Major General
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What's the problem you're having? Why do you need to resurface?
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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| 12-18-2012, 09:21 PM | #8 | |
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Lieutenant
Drives: 2007 X5 E70, 2011 M3 E92 Join Date: Apr 2011
Location: Bakersfield, CA
Posts: 539
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| 12-18-2012, 11:53 PM | #9 |
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Major General
Drives: 05 Tundra, 11 M3, 08 Odyssey Join Date: Dec 2009
Location: SoCal
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People say to not resurface drilled rotors. I think it may be mostly as it could damage the cutting tool on the brake machine. I had my drilled rotors resurfaced on my Tundra years back in El Monte with no issues. I would imagine if the thickness is still good it should not be an issue as long as you can find someone to do it.
Like other have stated this might not be needed for your particular situation, I am just letting you know that I have had drilled rotors turned. Personally I think BMW says to not turn then as they want your $$$. Post some pictures so others can chime in.
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- 2006 E90 330i TiAG retired.
- 2011.75 E90 M3 - BMW Performance Exhaust, BMW Performance Grills, Lux H8 V3, IND Reflectors, Ceramic Tint 58%, Brembo 380mm BBK, V1 with custom multi-color display by www.Radar-Mirror.com - custom radar mount by www.performancepackage.com.  Last edited by spdy330; 12-19-2012 at 10:03 AM. |
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| 12-19-2012, 12:45 AM | #10 |
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BimmerPost Supporting Vendor
 
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Please just buy new rotors.. I would never consider having mine resurfaced.
Yes they are expensive but they last a pretty long time.
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| 12-19-2012, 02:32 AM | #11 | |
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Lieutenant
Drives: 2007 X5 E70, 2011 M3 E92 Join Date: Apr 2011
Location: Bakersfield, CA
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Here are the pictures. The other side is smooth, the outer side I can feel grooves and a lot of very hard baked on pad material. Can I use some sand paper to try to smooth it all out?  |
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| 12-19-2012, 02:33 AM | #12 | |
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Lieutenant
Drives: 2007 X5 E70, 2011 M3 E92 Join Date: Apr 2011
Location: Bakersfield, CA
Posts: 539
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| 12-19-2012, 04:24 AM | #14 |
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Lieutenant General
Drives: MW E93 M3/E89 Z4 35i Join Date: Jun 2009
Location: The Valley, SoCal
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Since BMW covers breaks... why not just take it to them?
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 Next track day: http://www.m3post.com/forums/showthread.php?t=651089 Sorry I'm just someone who comes on here to fill a void..I dont have the $ to own a BMW. This is a nice E93:http://www.e90post.com/forums/showthread.php?t=434032 |
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| 12-19-2012, 09:48 AM | #15 |
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Major General
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You look to have a pretty good lip on those rotors. BMW goes by rotor thickness to determine replacement needs. I don't know the exact specs, but most likely you'll need to replace them. They're designed to be replaced with the stock pads.
__________________
Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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| 12-19-2012, 06:07 PM | #19 | |
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Lieutenant
Drives: 2007 X5 E70, 2011 M3 E92 Join Date: Apr 2011
Location: Bakersfield, CA
Posts: 539
iTrader: (4)
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Please let me know your shop address as well.  |
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| 12-19-2012, 06:14 PM | #20 |
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Major
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I believe he's renewing his sponsorship so he may not be allowed to post
http://www.mrfengineering.com/ BTW thorny, how do you like those stoptech street performance pads. For just regular driving, any difference compared to OEM. Less dust? |
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| 12-20-2012, 01:20 AM | #21 | |
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Lieutenant
Drives: 2007 X5 E70, 2011 M3 E92 Join Date: Apr 2011
Location: Bakersfield, CA
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StopTech SP pads are perfect for street driving, no matter how aggressive, no noise and no dust. They are better than stock. I worn out two set of fronts and rears are still OK. They are also somewhat OK on the track for beginners and intermediate level drivers. I do not recommend them for those who beat the sh&t of their brakes on the track. By the way, I managed to remove all the nastiness from the rotor with sand paper (150 grit). I used a metal piece to keep it pressed evenly to the rotor and rotated the rotor with the other hand. It took me an hour to do that one side that looked bad. The outer and inner areas are still worn more, but this will allow me to get by until I upgrade my brakes |
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