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      06-09-2012, 05:17 PM   #67
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1. you said performance rotors are the same size as the 328xi's, so what's the size of these rotors? 324x22 or 300x22? According to ESC Tuning, the size of 328xi's rear rotor is 300x22.
2. If the size is not 324x22, how do you know it is the proper size?
3. If the size is 300x22, why your rotors can't fit properly? Does it means the frames are also different even though u can install the rear caliper on it?

Good news is that if the 324x22 is the correct size of performance rear rotor, maybe I can find a perfect one. I'm contacting with the seller. Will let u know when I confirm the size and the drilled/slotted style.[/quote]

According to RealOEM the Rotors that come with the Performance brakes are 300x22
http://realoem.com/bmw/showparts.do?...90&hg=34&fg=95

I used 300x22 with the 135 but they do not fit perfectly.

my rears are from a 135. 135i uses 324x22 rear. So, my brakes should work perfectly with the 324x22. That is a rotor and calliper swap from the 135.
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      06-09-2012, 05:27 PM   #68
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The problem is with hat. The hat on the 135 is much deeper than the 328i. Not sure about the xi.
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      06-09-2012, 05:42 PM   #69
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Quote:
Originally Posted by ObiwanChen View Post
Do u know how much space between the rotor and pad? Does it enough for the extra 3mm if I use that 325x25 rotors? If it does, I would like to have a try.
Quote:
Originally Posted by e90pilot View Post
The problem is with hat. The hat on the 135 is much deeper than the 328i. Not sure about the xi.
^ That is correct
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      06-09-2012, 07:19 PM   #70
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Quote:
Originally Posted by johnniewalker View Post
1. you said performance rotors are the same size as the 328xi's, so what's the size of these rotors? 324x22 or 300x22? According to ESC Tuning, the size of 328xi's rear rotor is 300x22.
2. If the size is not 324x22, how do you know it is the proper size?
3. If the size is 300x22, why your rotors can't fit properly? Does it means the frames are also different even though u can install the rear caliper on it?

Good news is that if the 324x22 is the correct size of performance rear rotor, maybe I can find a perfect one. I'm contacting with the seller. Will let u know when I confirm the size and the drilled/slotted style.

According to RealOEM the Rotors that come with the Performance brakes are 300x22
http://realoem.com/bmw/showparts.do?...90&hg=34&fg=95

I used 300x22 with the 135 but they do not fit perfectly.

my rears are from a 135. 135i uses 324x22 rear. So, my brakes should work perfectly with the 324x22. That is a rotor and calliper swap from the 135.
That's a really bad news. Even if I buy the OEM performacne rear rotor, it still won't fit, let alone a replacement. So all we need is a rotor that has the same size with 135's and the same hat with 328xi's... Is that possible to custom one? lol
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      06-09-2012, 10:20 PM   #71
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Quote:
Originally Posted by ObiwanChen View Post
That's a really bad news. Even if I buy the OEM performacne rear rotor, it still won't fit, let alone a replacement. So all we need is a rotor that has the same size with 135's and the same hat with 328xi's... Is that possible to custom one? lol
I don't think you can custom a rotor. best bet is 324x22 and try if it fits. I will give it a try after this summer if no one else tries it.
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      11-21-2012, 07:25 PM   #72
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      11-21-2012, 07:35 PM   #73
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Quote:
Originally Posted by e90pilot View Post
Ran into this exact problem. If you find a rotor with the correct diameter, let me know. The 135 rotor is also too deep and will not center in the caliper correctly. I've actually have a few track days on these brakes. There's a "shelf" that builds because of the part of the pad that doesn't contact the rotor. Hasn't caused me any issues as of yet, but it would be nice to have a rotor that worked properly. The other alternative is to have someone trim the pad.
Can "turned to size" 335 rotors be used instead? They are 336x22. Maybe if they are turned at a machine shop to 324mm it'll work.
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      11-22-2012, 01:32 AM   #74
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Quote:
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Can "turned to size" 335 rotors be used instead? They are 336x22. Maybe if they are turned at a machine shop to 324mm it'll work.
I know someone that used a similar size rotor and then machined it. However, ended up losing the handbrake (had to do with the shape of the rotor). Plus is not very cost efficiency (I dont want to bring it to a shop everytime i need brake jobs, since I do my own rotor and brake pad change).
I changed my route and did a 335 swap at the back and i am still running the 135 brakes in the front (hawk hps pads all corners). It is actually a very good combo.
After winter Will paint the rear calipers to match the fronts, or maybe change the color of all calipers to something less sharp, like grey.

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      03-30-2013, 10:03 PM   #75
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Hey guys, I'm about to order the front kit for my E91. But wanted to ask if
running the Performance fronts with stock xdrive rear brakes is ok? I know
that the Performance rears do not fit.

Thanks!
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      04-01-2013, 06:50 AM   #76
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Originally Posted by boman993 View Post
Hey guys, I'm about to order the front kit for my E91. But wanted to ask if
running the Performance fronts with stock xdrive rear brakes is ok? I know
that the Performance rears do not fit.

Thanks!
Yeah its ok. I think you need to code the car and add the performance brake option in the VO so the DSC "knows" you have bigger brakes in the front. Its pretty simple, unless you have the dealer install it.
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      04-21-2013, 01:02 PM   #77
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If anyone finished the fronts, I have g2 Phoenix yellow caliper paint kit for the rears that I never used because I sold the car
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      07-13-2013, 12:45 PM   #78
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I think some clarity is needed on the 135i rotors in the rear. Is it the drum that people are referring to as the problem or the hat itself being too deep making the rotor sit too far back?
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      07-13-2013, 01:16 PM   #79
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Quote:
Originally Posted by mapleridge View Post
I think some clarity is needed on the 135i rotors in the rear. Is it the drum that people are referring to as the problem or the hat itself being too deep making the rotor sit too far back?
Both, as you said the 135 rear rotor hat is too deep so you can't fit it right. And if you use machined rotor like me, you will most likely end up with losing hand brake. In my case, I used E60 735i rear rotor (324x20) and machined a lip inside of the hat. But the hand brake shoe can't touch the rotor so my hand brake dead. Besides, because of the thinner rotor I used (20vs22) the computer estimates the life of rear pad shorter than front.
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      07-13-2013, 02:38 PM   #80
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Quote:
Originally Posted by ObiwanChen View Post
Both, as you said the 135 rear rotor hat is too deep so you can't fit it right. And if you use machined rotor like me, you will most likely end up with losing hand brake. In my case, I used E60 735i rear rotor (324x20) and machined a lip inside of the hat. But the hand brake shoe can't touch the rotor so my hand brake dead. Besides, because of the thinner rotor I used (20vs22) the computer estimates the life of rear pad shorter than front.
So you used a completely different rotor for thats for a 7 series. You have an xi though. The drum size should be the same as the 335i. Is the 7 series rotor drum even bigger than the 335/328xi?
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      07-13-2013, 02:38 PM   #81
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So I discovered something interesting. So the 135 brake doesn't work but the Performance kit fits on the 330, and 328 wagon/convertible. I couldn't figure out why the rear worked on those cars but not on the 325/8 sedan until recently. The rear axel on the 1 series has a different offset than the 3 series. The Performance brake kit rotor has a different part number than the kit for the 3 series. BMW makes a rotor with the correct rotor offset for the 3 series. It doesn't work on the 325 because of the smaller parking brake diameter. If you can get the 180mm brake to work on the 325/8 this would be the perfect solution.

Here's the part number: 34216795755
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      07-13-2013, 03:08 PM   #82
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Quote:
Originally Posted by e90pilot View Post
So I discovered something interesting. So the 135 brake doesn't work but the Performance kit fits on the 330, and 328 wagon/convertible. I couldn't figure out why the rear worked on those cars but not on the 325/8 sedan until recently. The rear axel on the 1 series has a different offset than the 3 series. The Performance brake kit rotor has a different part number than the kit for the 3 series. BMW makes a rotor with the correct rotor offset for the 3 series. It doesn't work on the 325 because of the smaller parking brake diameter. If you can get the 180mm brake to work on the 325/8 this would be the perfect solution.

Here's the part number: 34216795755

That looks like it would work. I still don't understand which kit obiwanchen got then, because it should have all been bolt on in that case.
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      07-13-2013, 06:56 PM   #83
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Looks like he got 135 brakes witch are not bolt on.
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      07-13-2013, 09:38 PM   #84
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Yes, the 335i rear brake kit will fit 328xi with no problem.

I got the Performance Front BBK and installed it as OP did, and I got 135 rear caliper and paint it yellow. Then I got drilled E60 735 rear rotor which match the front pretty well( I didn't use 335 rotor because I would be worry about the structure strength if I machined the entire rotors espetially a drilled rotor)
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      07-14-2013, 03:54 AM   #85
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Quote:
Originally Posted by ObiwanChen View Post
Yes, the 335i rear brake kit will fit 328xi with no problem.

I got the Performance Front BBK and installed it as OP did, and I got 135 rear caliper and paint it yellow. Then I got drilled E60 735 rear rotor which match the front pretty well( I didn't use 335 rotor because I would be worry about the structure strength if I machined the entire rotors espetially a drilled rotor)
I am a little confused because the e60 is the 5 series but you say 735. Also, I looked at the 535i rotors and they are not the dimensions you provided. Can you link the part#? Did you not know about the part number e90pilot provided. That should have been a direct bolt on for you. I think I am going to try that.
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      07-14-2013, 04:14 AM   #86
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I am a little confused because the e60 is the 5 series but you say 735. Also, I looked at the 535i rotors and they are not the dimensions you provided. Can you link the part#? Did you not know about the part number e90pilot provided. That should have been a direct bolt on for you. I think I am going to try that.
Sorry, my mistake, it should be E65 735i. BMW didn't sell this model in North America so you almost can't find parts for it here. I got mine from UK. http://www.ebay.co.uk/itm/Tarox-BMW-...item35c8de73e2
you can also check this for more spec http://www.mtecbrakes.co.uk/index.ph...sj3uq5m0qtc2h5

For the part unmber e90pilot provided, I googled it, it seems drilled performance rear BBK rotor for 3 serise and the spec seems correct.

Let us know how it works if you get them installed
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Last edited by ObiwanChen; 07-14-2013 at 04:23 AM.
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      07-14-2013, 05:03 AM   #87
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Quote:
Originally Posted by e90pilot View Post
So I discovered something interesting. So the 135 brake doesn't work but the Performance kit fits on the 330, and 328 wagon/convertible. I couldn't figure out why the rear worked on those cars but not on the 325/8 sedan until recently. The rear axel on the 1 series has a different offset than the 3 series. The Performance brake kit rotor has a different part number than the kit for the 3 series. BMW makes a rotor with the correct rotor offset for the 3 series. It doesn't work on the 325 because of the smaller parking brake diameter. If you can get the 180mm brake to work on the 325/8 this would be the perfect solution.

Here's the part number: 34216795755
So I searched the part number on realoem. Thats the performance rear brake rotor bmw made for 328 wagon/convertible. And I also found that the 328xi and 328 wagon/convertible share the same rear rotor which is 34216855008. So I assume the rotor you found should also work on 328xi and no need to change the hand brake shoe? What do you think?
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      07-14-2013, 05:43 AM   #88
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Originally Posted by ObiwanChen View Post
So I searched the part number on realoem. Thats the performance rear brake rotor bmw made for 328 wagon/convertible. And I also found that the 328xi and 328 wagon/convertible share the same rear rotor which is 34216855008. So I assume the rotor you found should also work on 328xi and no need to change the hand brake shoe? What do you think?
I think e90pilot found us a supply of rotors that will solve all our worrisome nights. If you have the cash, get one rotor and test it. From the sounds of it. It is going to work.


Where did you get your calipers painted and are they powder coated or just painted? Can you post some pics of them more close up? I love seeing them in that perf yellow color.

Last edited by mapleridge; 07-14-2013 at 06:00 AM.
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