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Go Back   E46Fanatics > Tuning & Tech > Suspension & Braking

Suspension & Braking
Have some questions about suspension or brake setups for your E46 BMW? Get all your answers here!

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Old 10-30-2010, 10:43 PM   #1
TrippinBimmer
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Brembo BBK Rotors Replacements

I know a Few of You Guys are running BBK. I was doing some research and say that Brembo Replacement Rotors are like $500-600 per ring. Then, I saw Stoptech Aero Rotor Rings are that Decently Priced at $200-250 Per Ring. Finally, I saw RaceingBrake have only the 355mmx32mm for $195 Per Ring.

Any Tips Guys? I really dont want to Spend 2 Grand on 4 rotors. I know Stoptech are Great Rotors but I know they are softer then Brembo's. I won't be tracking so that isnt an issue. What I am really asking is it really worth it?

Also, Stoptech Aero Rotor Ring 345mmx28mm the same as the Brembo's? Cause no one said it's compatable...

Alot of People Told me NOT to go RacingBrake as they have issues with them and etc...

-TrippinBimmer

Last edited by TrippinBimmer; 10-30-2010 at 10:50 PM.
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Old 10-30-2010, 11:42 PM   #2
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A reason I never have and probably won't ever go BBK...ever: replacement parts almost cost as much as an entire new setup. GL
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Old 11-01-2010, 04:46 PM   #3
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I couldnt tell you if they were compatible, but I do know that StopTech is definitely a quality product.

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Old 11-02-2010, 05:58 AM   #4
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If the attachment points are the same...don't see a reason why a brembo and ST ring couldn't be interchanged.

This is the reason why I went with my UUC/Wilwood kit...parts are a lot cheaper since it uses the OEM M3 rotor and a fairly common pad...as long as you stick with the 4pot calipers. 6 pot? Pad selection is a whole different story.

But, I think the Brembo and ST stuff will last a lot longer than OEM parts since they are bigger and thicker, can dissipate more heat faster, and made to handle more heat. While replacement parts are expensive, I think you get a lot more mileage/track time out of them. Not saying the a BBK is always cheaper in the long run...
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Old 11-02-2010, 10:35 PM   #5
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looks like you took the leap without looking... i'd stick with the brembo branded rings
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Old 11-03-2010, 12:27 AM   #6
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Quote:
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looks like you took the leap without looking... i'd stick with the brembo branded rings
I have been doing research, before I leap and bought the BBK. For the Price I paid its not a bad deal at all

For anyone who wants to know if the Stoptech 345mmx28mm will fit on the Brembo Rear. There is currently no StopTech 345x28mm rear rotor/hat combination for this Brembo kit. In fact, the StopTech 345x28mm AeroRotors do not mate with the Brembo hats for this kit, since the StopTech rotor mounting flanges are beefier and interfere with the Brembo hat centering ring.

My rear is not Brembo so it will fit just fine. but they are replica of the Brembo with less tighter specs.

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Old 11-03-2010, 12:56 AM   #7
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OT...what do you have on the rear? ST does not have a rear kit.
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Old 11-03-2010, 02:00 PM   #8
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Quote:
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OT...what do you have on the rear? ST does not have a rear kit.
ST do carry a rear kit but its a Special Order Item. Reason for this. ST believe that the 330i doesn't need a rear kit as the stock one will do just fine.

My Rears are F Carbon BBK. It's from a Company that went out of business 3 years ago. Replacement parts is kinda hard to find but you just gotta know where to look.

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Old 11-03-2010, 02:15 PM   #9
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For the StopTech 345mmx28mm rotor ring to fit on a brembo hat, you will have to modify the brembo hat (machine off the lip at the bottom) to make it fit. The stopTech 355mmx32mm rotor ring fit perfect with the brembo front hat.
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Old 11-03-2010, 02:16 PM   #10
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...And now you can feel the pain of all Porsche owners.
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Old 11-03-2010, 02:20 PM   #11
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Quote:
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For the StopTech 345mmx28mm rotor ring to fit on a brembo hat, you will have to modify the brembo hat (machine off the lip at the bottom) to make it fit. The stopTech 355mmx32mm rotor ring fit perfect with the brembo front hat.
This is Correct but Race Technology will blow up this thread about not modifying there hats and its dangerous.

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...And now you can feel the pain of all Porsche owners.


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Old 11-04-2010, 05:04 AM   #12
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Quote:
Originally Posted by TrippinBimmer View Post
ST do carry a rear kit but its a Special Order Item. Reason for this. ST believe that the 330i doesn't need a rear kit as the stock one will do just fine.
Really? I did not know that.
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Old 11-04-2010, 02:59 PM   #13
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Really? I did not know that.
Yep,

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Old 11-04-2010, 03:02 PM   #14
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was there a thread with pictures or are they still unmouted? i wanna see how they look on the car.
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Old 11-04-2010, 03:31 PM   #15
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Quote:
Originally Posted by TrippinBimmer View Post
Yep,

-TrippinBimmer
Do you have any details? Is it with the ST40 caliper? And do you know what the rotor size is?
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Old 11-04-2010, 03:51 PM   #16
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was there a thread with pictures or are they still unmouted? i wanna see how they look on the car.
There is a thread with update on the recoating progress and I will do a proper photoshoot when all is done

..::|TrippinBimmer and Tirado Custom Coatings : Stripping and Powercoating BBK|::..
Quote:
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Do you have any details? Is it with the ST40 caliper? And do you know what the rotor size is?
If I recall correctly when I inquire about them it was 345x28mm with ST-40 Caliper. E-brake is still there I would call ST to verify. It has been awhile since I called them.

-TrippinBimmer

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Old 11-04-2010, 04:46 PM   #17
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Quote:
Originally Posted by TrippinBimmer View Post
If I recall correctly when I inquire about them it was 345x28mm with ST-40 Caliper. E-brake is still there I would call ST to verify. It has been awhile since I called them.

-TrippinBimmer
Thanks You're an OK guy sometimes!

I like the blue calipers!
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