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      04-09-2015, 11:01 AM   #1
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M-Sport Brakes- upgrade to M Performance rotors?

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Has anybody "upgraded" to the M performance rotors?

I wonder if my dealership will let me upgrade when my stock rotors wear out and I would just pay the difference....
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      04-09-2015, 11:22 AM   #2
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Yes a guy in the UK Tengocity is about to or has replaced his M Sport rotors with M Performance ones. Think they are similarly priced too, so a no brainer.
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      04-09-2015, 11:49 AM   #3
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Originally Posted by NISFAN View Post
Yes a guy in the UK Tengocity is about to or has replaced his M Sport rotors with M Performance ones. Think they are similarly priced too, so a no brainer.
Cool... yea I think they look better if anything. I'm sure it wouldnt be too expensive.
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      04-09-2015, 11:59 AM   #4
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Yes I've done mine, just a few weeks ago. Look a bit nicer, especially now I have the more open style 442M wheels on.
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      04-09-2015, 12:00 PM   #5
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nice, did you pay out of pocket for this? or was it covered with maintenance program?

Not sure if included maintenance is usa thing only....
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      04-09-2015, 12:53 PM   #6
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Trade it at delivery with PSS...no brainer in my opinion:

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      04-09-2015, 01:46 PM   #7
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I'm planning on doing the opposite when I need rotors. ha. I find the M performance rotors to be very noisy, even driving in a straight line, due to the slots. My car sounds like a locust going down the road. I prefer the blanks...
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      04-09-2015, 08:23 PM   #8
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Quote:
Originally Posted by PabloK
nice, did you pay out of pocket for this? or was it covered with maintenance program?

Not sure if included maintenance is usa thing only....
Yes, I bought new pads and discs and fitted all round when the car needed new front pads, at around 36k miles.
I got them at a good discount though due to having family who worked at the dealership.
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      04-09-2015, 08:26 PM   #9
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Quote:
Originally Posted by la02max
I'm planning on doing the opposite when I need rotors. ha. I find the M performance rotors to be very noisy, even driving in a straight line, due to the slots. My car sounds like a locust going down the road. I prefer the blanks...
A previous car I had with fully drilled rotors on was my E46 330- it really made a different noise under hard braking but I really liked it.
I was actually a little disappointed that these were barely any different to blank discs in how they sounded. I can hear some difference but not a lot.
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      04-09-2015, 10:15 PM   #10
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Quote:
Originally Posted by Tengocity View Post
A previous car I had with fully drilled rotors on was my E46 330- it really made a different noise under hard braking but I really liked it.
I was actually a little disappointed that these were barely any different to blank discs in how they sounded. I can hear some difference but not a lot.
Agree I like the noise they make..call us crazy!
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      04-22-2015, 11:32 AM   #11
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Quote:
Originally Posted by la02max View Post
I'm planning on doing the opposite when I need rotors. ha. I find the M performance rotors to be very noisy, even driving in a straight line, due to the slots. My car sounds like a locust going down the road. I prefer the blanks...
I have the M performance rotors, I never noticed the "locust" sound until recently when driving with my windows open. (received my car in Jan. weather is finally nice so I can drive with the windows open).

That sound drives me crazy. I scheduled an appointment at the dealer so they can take a look and see wtf is causing the sound. I really hope it's not the rotors, I like the look etc... but if it's the rotors I will swap them out and sell them. 1.5k miles on them.

The sound is noticeable at 15+mph and when driving in a tunnel or next to a wall or any object it amplifies. It's annoying! lol. Rant over
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      04-22-2015, 03:33 PM   #12
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Quote:
Originally Posted by JoshVass View Post


I have the M performance rotors, I never noticed the "locust" sound until recently when driving with my windows open. (received my car in Jan. weather is finally nice so I can drive with the windows open).

That sound drives me crazy. I scheduled an appointment at the dealer so they can take a look and see wtf is causing the sound. I really hope it's not the rotors, I like the look etc... but if it's the rotors I will swap them out and sell them. 1.5k miles on them.

The sound is noticeable at 15+mph and when driving in a tunnel or next to a wall or any object it amplifies. It's annoying! lol. Rant over

It's definitely the rotors (I have them, too, along with the noise). I have had previous big brake kits from other manufacturers that were just as noisy, so I knew what to expect and just live with it.
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      04-22-2015, 05:29 PM   #13
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Originally Posted by wwmiller3 View Post
It's definitely the rotors (I have them, too, along with the noise). I have had previous big brake kits from other manufacturers that were just as noisy, so I knew what to expect and just live with it.
I guess it's bitter sweet news. Good news there is nothing actually wrong with the car. Bad news, I'm stuck with the noise lol.
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      04-22-2015, 05:48 PM   #14
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Quote:
Originally Posted by Tengocity View Post
Yes I've done mine, just a few weeks ago. Look a bit nicer, especially now I have the more open style 442M wheels on.
Do you also have the "noise/sound" do to the dimpled rotors?
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      04-22-2015, 06:01 PM   #15
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Quote:
Originally Posted by JoshVass
Quote:
Originally Posted by Tengocity View Post
Yes I've done mine, just a few weeks ago. Look a bit nicer, especially now I have the more open style 442M wheels on.
Do you also have the "noise/sound" do to the dimpled rotors?
Yes there's a small change in the noise but it's not that loud and I like the actual sound. I prefer it as adds to the sensation of hard braking.
And I prefer the feel of the brakes now too.
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      04-22-2015, 10:13 PM   #16
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It's very well known that drilled or slotted or partially drilled rotors make noise.

I was interested in upgrading for the style. I'm more curious if one could put the M3 rotors on
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      04-22-2015, 10:27 PM   #17
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Quote:
Originally Posted by simarddominic View Post
Trade it at delivery with PSS...no brainer in my opinion:

can you clarify? did you have the dealer swap them at delivery?
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      04-22-2015, 10:33 PM   #18
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Quote:
Originally Posted by mattesonb View Post
can you clarify? did you have the dealer swap them at delivery?
I had the dealer instal the M Performance breaks a long with the M Performance rotors when the dealer received the car. I received the car the following day
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      04-23-2015, 01:07 AM   #19
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the problem is the noise is there even when I'm not braking -.-
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      04-23-2015, 11:16 AM   #20
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the problem is the noise is there even when I'm not braking -.-
Exactly, even when not breaking, as soon as you drive 15mph+ you hear what I can only describe as a "buzzing" sound
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