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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 08-15-2012, 06:14 PM   #21
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Rotors alone cost me about $400 from R1
Wow.

Y???
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Old 08-15-2012, 06:16 PM   #22
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Rotors alone cost me about $400 from R1
.....what? you could've gotten stoptech drilled rotors for less.
they're like $250 tops on the r1 site.
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Old 08-15-2012, 06:46 PM   #23
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I think he means $400 for all 4 rotors.
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Old 08-15-2012, 06:53 PM   #24
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$400 for all four rotors is still extremely excessive. I'd expect these to cost about $10-15 each. Genuine BMW wouldn't even cost you $400 for all four corners. WTH?
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Old 08-15-2012, 07:20 PM   #25
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i'll get back to you on the drilled holes versus cast holes because they have not replied to my email yet. i will not buy rotors that have been drilled.
I know both you and Mango mentioned cast holes vs drilled holes. Last I heard no company actually cast the holes into the rotor, they are all drilled. How they drill them and how they build them with the intention on drilling them is another story, quality does matter!

See thread here for more info (great discussion on the topic with Rob from UUC and member jpr):

http://forum.e46fanatics.com/showthread.php?t=449052
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Old 08-15-2012, 08:36 PM   #26
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I know both you and Mango mentioned cast holes vs drilled holes. Last I heard no company actually cast the holes into the rotor, they are all drilled. How they drill them and how they build them with the intention on drilling them is another story, quality does matter!

See thread here for more info (great discussion on the topic with Rob from UUC and member jpr):

http://forum.e46fanatics.com/showthread.php?t=449052
so then what's the difference between a drilled rotor that will crack and one that won't?
i was under the impression that brembos and such were cast with holes
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Old 08-15-2012, 09:22 PM   #27
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$400 for all four rotors is still extremely excessive. I'd expect these to cost about $10-15 each. Genuine BMW wouldn't even cost you $400 for all four corners. WTH?
Mango, I know you dont like these rotors, but cmon, you cant get ANY rotors for our cars for $10-$15 each.
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Old 08-17-2012, 05:21 PM   #28
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Wow there seems to be a lot of ignorant comments here as in people making comments about stuff and products they have no knowledge of. While I also have never heard of R1 Concepts I cannot base an opinion on them without knowing anything about them. If he spends his hard earned money that way go for it. Either way am I lost when I say that I thought drilled rotors were just that "drilled" ???
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You sir, just thread jacked the sh!t out of OP.
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Old 08-17-2012, 05:24 PM   #29
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Wow there seems to be a lot of ignorant comments here as in people making comments about stuff and products they have no knowledge of. While I also have never heard of R1 Concepts I cannot base an opinion on them without knowing anything about them. If he spends his hard earned money that way go for it. Either way am I lost when I say that I thought drilled rotors were just that "drilled" ???
Why shouldn't we be suspicious of parts that we have no knowledge of? I prefer to have an in depth understanding of not only how a specific component on my car functions, but also who manufactured it and how it was manufactured. Brakes are probably the absolute best example of this. I will ONLY install quality components manufactured by trust brands.

You mentioned hard earned money. If the money is so hard earned, shouldn't that necessitate a high amount of research into the matter before a purchase is made? Don't you want the highest value for your money? Certainly seems as though OP didn't care.
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Old 08-17-2012, 05:30 PM   #30
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Mango, I know you dont like these rotors, but cmon, you cant get ANY rotors for our cars for $10-$15 each.
Apparently, you've never heard of OPParts.
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Old 08-17-2012, 05:32 PM   #31
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Wow there seems to be a lot of ignorant comments here as in people making comments about stuff and products they have no knowledge of. While I also have never heard of R1 Concepts I cannot base an opinion on them without knowing anything about them. If he spends his hard earned money that way go for it. Either way am I lost when I say that I thought drilled rotors were just that "drilled" ???
That is exactly why you should be suspicious of said generic brakes.

We're not talking about exterior mirrors here, we're talking about brake components. One of the single most important safety-related items on your car.

Would you trust generic airbags? or generic brake pedals?
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Old 08-18-2012, 01:04 AM   #32
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I think the point is and you guys have said it, he spent his hard earned money which means he obviously did his research. If he wants to spend his money that way after doing his own research than thats his business.

I am quite sure there are standards and regulations that would have to be met in order to manufacture those items. Now that being said I absolutely agree that you can still buy "garbage" but he is the one who did the research and spent the money.

Maybe we have all just been introduced to a rising company with quality products?

But then again... maybe not
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Old 08-18-2012, 01:06 AM   #33
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Why shouldn't we be suspicious of parts that we have no knowledge of? I prefer to have an in depth understanding of not only how a specific component on my car functions, but also who manufactured it and how it was manufactured. Brakes are probably the absolute best example of this. I will ONLY install quality components manufactured by trust brands.

You mentioned hard earned money. If the money is so hard earned, shouldn't that necessitate a high amount of research into the matter before a purchase is made? Don't you want the highest value for your money? Certainly seems as though OP didn't care.
Ya be suspicious not belittling. I so curious than go do the research. Not tear down someones decisions until you know whether or not.
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You sir, just thread jacked the sh!t out of OP.
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Old 08-18-2012, 08:26 PM   #34
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What's R1 concepts? is that an ebay company? La Habra? Were those holes drilled after the rotor was cast?
yeah there really seems to be no aftermarket company that makes the perforated rotors with the holes cast in them for the E46. i recall ads from TMS that the Zimmerman rotors had the holes cast but that seems to be inaccurate and later removed. several years ago jpr uncovered this long time mistake about cast holes. i was under that same impression that brembo and bmw motorsport ones were likely cast holes too. if anything new has been discovered i would be interested to review the findings.
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