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      12-09-2008, 02:36 AM   #23
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Quote:
Originally Posted by watrob View Post
So it's your opinion that ST are a better application for the M3 than Brembo?
NO, I believe that Brembos are great brakes too! In my personal shopping experience the ST staffs has really put the effort forth. I talked to a sales rep today for 45 minutes he told me every thing he knew and all of it was very good info. One of the most impressive things he said was ST test every single part that leaves their factory now that is quality control. He also told me all parts were made in house and if I ever have a problem with the brakes I cold just go change em out right there.

The only draw back is the F50 style Brembos look better but that is the least of my concerns.
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      12-09-2008, 06:33 AM   #24
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Interesting thoughts, what the approx cost difference between ST & Brembo's roughly for a M3?
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      12-09-2008, 06:48 AM   #25
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Quote:
Originally Posted by Gary_C View Post
Brembo has more usable combination's of discs (by diameter, thickness, annulus and airgaps) and calipers (each with a variety of piston diameters) than any other manufacturer in existence. We had the option for various rear systems (345mm, 355mm, 380mm) and the final decision was based on the pedal feel and modulation with that particular combination of disc diameter (effective radius) and piston volume.
Thanks for the info.

Just to clarify, how many variations of calipers with piston diameters does Brembo have?
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      12-09-2008, 08:13 AM   #26
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Quote:
Originally Posted by watrob View Post
Interesting thoughts, what the approx cost difference between ST & Brembo's roughly for a M3?
The STs are about $1500 less.
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      12-09-2008, 10:55 AM   #27
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I think Stop Techs are original equipment on the latest Viper ACR. That should say enough.
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      12-09-2008, 06:25 PM   #28
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took some pics of my Kit today....











and for the ultimate comparison... the 15 inch rotor compared to a Peanut M&M...



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      12-09-2008, 07:29 PM   #29
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Originally Posted by KINGLEH View Post
and for the ultimate comparison... the 15 inch rotor compared to a Peanut M&M...


I think a soda can would provide a better comparison.
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      12-09-2008, 09:20 PM   #30
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Quote:
Originally Posted by badfish View Post
Just to clarify, how many variations of calipers with piston diameters does Brembo have?
You can download the specs on the different calipers and rotors they make on their website. They have over 60 iron rotors. I didn't count the calipers, but they have many different types available. You can work out the permutations between the caliper and rotors that would actually work together. Stoptech does not have that kind of breadth, but I am not saying their products are inferior for that reason or anything. Just answering your question.
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      12-10-2008, 03:52 AM   #31
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You can download the specs on the different calipers and rotors they make on their website. They have over 60 iron rotors. I didn't count the calipers, but they have many different types available. You can work out the permutations between the caliper and rotors that would actually work together. Stoptech does not have that kind of breadth, but I am not saying their products are inferior for that reason or anything. Just answering your question.
Actually I was asking because I know the answer and it's doesn't quite align with what you are saying but it's depends how you word it. So I'm just waiting for the answer...
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      12-10-2008, 10:48 AM   #32
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Quote:
Originally Posted by badfish View Post
Actually I was asking because I know the answer and it's doesn't quite align with what you are saying but it's depends how you word it. So I'm just waiting for the answer...
Not all rotors will work with all calipers obviously, so as I said, I don't know the number of matching permutations that are appropiate for the M3. If you simply count the number of different types of discs that are being offered for instance, Brembo seems to have more. If you share what you know, that would be informative.
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      12-10-2008, 03:04 PM   #33
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For you guys that are looking into ST, a lot of the old S4 owners who tracked a lot with ST brakes had issues with the rotor hats with heavy track use. I think it was either cracking or corroding. ST was telling them that it's normal wear and tear. After that, a lot of guys switched to Alcons and Brembos. Just something to think about.
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      12-10-2008, 05:32 PM   #34
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ive had tons of track work on Stoptechs before and never had a problem.....
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      12-10-2008, 05:40 PM   #35
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Quote:
Originally Posted by KINGLEH View Post
ive had tons of track work on Stoptechs before and never had a problem.....
Sorry, I never tracked my car so I can't speak for the guys who did have problems. Here's a picture of what happened. It looks like the rotor hats are basically falling apart and Stoptech didn't cover it saying it's a wear item

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      12-10-2008, 08:26 PM   #36
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Maybe its me but that looks like it came off a car rotting in a junk yard for the past 30 years.
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      12-10-2008, 10:12 PM   #37
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Quote:
Originally Posted by masmole View Post
I'm concerned about the brake clearance wheel requirements for the Stoptechs though. All the posts I've seen mention that a 19" wheel is a necessity with the Stoptech kit. Meanwhile, there's been several posts with pictures as evidence that confirm that the Brembo BBK will at least work with select 18" wheels like Volks, HREs, etc. Is there something about the Stoptech Caliper+Rotor+Hat design that affords less brake clearance for certain 18" wheels compared to the Brembos? If so, this would be a huge deciding factor for some including myself who plan to go with a BBK for track duty, since using an 18" track wheel set up would be more ideal because of the larger variety of R-compound tires that fit available only in 18". This would be unfortunate since the preference towards the Stoptechs because of lower cost and more user-friendliness would be outweighed by the need to go with the obvious benefits of an 18" track wheel set up.
I confirmed with Stoptech today that they will be releasing a 355x35 front kit for the M3 sometime around January. Also, they have seen 18" Volk TE37s clear the 380mm kits before as well. But the 355mm kit is designed to fit in an 18" wheel so this is probably your best option.
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      12-10-2008, 10:27 PM   #38
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Quote:
Originally Posted by bigjae1976 View Post
Maybe its me but that looks like it came off a car rotting in a junk yard for the past 30 years.
Absolutely who would post such a ridiculous photo and ascribe this to wear or a defect.

Ugh - RECALL. I see the issue, it is not the rust it is the broken hat portions....

Last edited by swamp2; 12-11-2008 at 03:47 AM.
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      12-10-2008, 10:44 PM   #39
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Quote:
Originally Posted by HIS4 View Post
Sorry, I never tracked my car so I can't speak for the guys who did have problems. Here's a picture of what happened. It looks like the rotor hats are basically falling apart and Stoptech didn't cover it saying it's a wear item

That is what happens when you mix aluminium + iron + salt + water. The zinc coating on the rotors is not acceptable in harsh environments and they should be cadmium plated and the adapter should have type III hard anodizing. Is this acceptable…no. Is it a defect...yes by design and they know about it for sure.

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      12-10-2008, 10:59 PM   #40
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Quote:
Originally Posted by KINGLEH View Post
ive had tons of track work on Stoptechs before and never had a problem.....
+1000

Stoptech FTW!!

Customer support is light years ahead of Brembo!!
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      12-11-2008, 02:49 AM   #41
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Quote:
Originally Posted by masmole View Post
Speaking of Stoptechs for the E9x M3.... where do you get them? Who has them in stock?

Perhaps that's why they're not getting any love? I've had Stoptechs on past cars and they performed very well at the track and as much as I'd lean towards getting stoptechs for my M3, every online vendor I've visited only list the Brembo BBKs for E9x application and no Stoptechs to be seen. Even a local tuner shop who is both a Brembo and Stoptech dealer claims "stoptech isn't available for the M3 yet". Perhaps they're not up to date with their info but I think for the most part, many people aren't even aware that an E9x kit is already available. If a Stoptech is available for the E9x M3, what on earth happened to Stoptech marketing?
We are an officially Authorized seller of Stoptech. We are also an Authorized Brembo dealer - just so forum members have some help. I am jumping in here. Partly our fault as well I'd say but the Marketing effort hasn't been pushed very hard to get it out there, I think its all more due to the internal growth at Stoptech/Centric now - they've been acquiring a lot of brake companies and making a lot of changes there. They have definitely been beefing things up.

Quote:
Originally Posted by Mickb View Post
I have the Brembo BBK for my car. On my last car (E46 M3) I had Stoptechs and they were fabulous. I am sure there is nothing between them in terms of stopping distance or fade, and I really went with Brembo this time for the change.

I am satisified with the Brembos, and I think they look better than the Stoptechs, but if I could buy them again I would go for the Stoptechs purely because of the pad change issue. The caliper removal thing really gets on my tits, especially for track work. Its ridiculous that a "track" upgrade has a really track-unfriendly feature.

Go for stoptech's lads and save yourselves some wedge.
You guys are discussing two very different philosophies in the setups. I am curious since you've had both, how long did it take you to replace the Brembo rotors? I've seen that the Brembo rotors will last longer then having to replace the Stoptech rotors, so that extra cost benefit is almost a wash. But good to hear feedback, hopefully you can give us more depth on it.

Quote:
Originally Posted by badfish View Post
Not many people have done the homework yet to see if any 18" wheels clear. You can call Stoptech or visit their website to get a template. Then you have to do a bit of legwork. But give them a call and see if they know of any wheels that will clear.
I've talked to them multiple times on what wheels, none that they endorse or know about lol. Its going to be as hard as finding 18" wheels for the Brembos, you are looking at only a handful of wheels.

Quote:
Originally Posted by masmole View Post
I'm concerned about the brake clearance wheel requirements for the Stoptechs though. All the posts I've seen mention that a 19" wheel is a necessity with the Stoptech kit. Meanwhile, there's been several posts with pictures as evidence that confirm that the Brembo BBK will at least work with select 18" wheels like Volks, HREs, etc. Is there something about the Stoptech Caliper+Rotor+Hat design that affords less brake clearance for certain 18" wheels compared to the Brembos? If so, this would be a huge deciding factor for some including myself who plan to go with a BBK for track duty, since using an 18" track wheel set up would be more ideal because of the larger variety of R-compound tires that fit available only in 18". This would be unfortunate since the preference towards the Stoptechs because of lower cost and more user-friendliness would be outweighed by the need to go with the obvious benefits of an 18" track wheel set up.
If you would like some cut outs of either of the wheels let us know, I'll be glad to help you with either of the products.

Quote:
Originally Posted by Kampfer View Post
I think Stop Techs are original equipment on the latest Viper ACR. That should say enough.
Wait isnt that car filled with Aftermarket products, I mean it has KW's as coilovers right, and an aftermarket exhaust - plus like what 1500 were made?

Quote:
Originally Posted by eagletangogreen View Post
+1000

Stoptech FTW!!

Customer support is light years ahead of Brembo!!
Wow that is not to nice. I've been working with both companies for quite some time. Both of them have amazing customer support they are always eager to help their customers and will get you the right information, make the right recommendations and be there by all means to help the customer. Yeah that is quite false information here, they are some of the best in this Industry - and that means a lot!!!
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      12-11-2008, 09:24 AM   #42
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Quote:
Originally Posted by badfish View Post
I confirmed with Stoptech today that they will be releasing a 355x35 front kit for the M3 sometime around January. Also, they have seen 18" Volk TE37s clear the 380mm kits before as well. But the 355mm kit is designed to fit in an 18" wheel so this is probably your best option.
That is good news. Hopefully they will fit the OEM 18's as well.
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      12-11-2008, 12:12 PM   #43
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Quote:
Originally Posted by Ron************ View Post

Wow that is not to nice. I've been working with both companies for quite some time. Both of them have amazing customer support they are always eager to help their customers and will get you the right information, make the right recommendations and be there by all means to help the customer. Yeah that is quite false information here, they are some of the best in this Industry - and that means a lot!!!
In my situations, Brembo has always let me down (maybe I talked to the wrong people), as with Stop Tech I always was helped and had parts over nighted (sometimes free of charge). In the end Stoptech will always have my $$$. As far as them (Brembo) being the best in the Industry is all a matter of opinion, just like I think Stoptech has better customer support. In the end its up to the customer...

Cheers
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      12-11-2008, 12:27 PM   #44
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Maybe its me but that looks like it came off a car rotting in a junk yard for the past 30 years.
That's what happens to the rotor surface after many high heat cycles from heavy track use. The issue is not the rotor surface but the cracking of the rotor hat. I'm not sure how often those are supposed to be replaced or if they are supposed to be replaced at all. It just seems odd that they would crumble like that.
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