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Old 04-11-2011, 09:54 AM   #16
markseven
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Iíve been running the UUC BBK for just over a weekÖ I am very, very impressed with this kit. The fit and finish of the calipers are top notch, the kit is all inclusive, and the price is a BARGAIN!

Initial bit is great and from there the braking gets better. Progressive, linear, and good feel - very confidence inspiring. And this is with an S52 up front. I canít imagine how these would perform on a M42-powered 318is. Turn-in seems to have improved due to the reduced unsprung weight.

Two caveats:
  • If you donít have ABS, be careful during hard stops. These will lock up much quicker than lesser units (obvious, right? You would think so, but I flat spotted both front tires while bedding the brakes)
  • Check your kit for correct parts and fitment

Lastly, Rob at UUC is a stand up guy
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Old 04-11-2011, 10:05 AM   #17
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I've had my kit on for close to a year now and have been very please with the 3000 or so miles I've covered.

There were some initial problems with the rotors, both of mine developed cracks after bolting them down to the aluminum hats. I was using the kit-supplied Loctite and a click-type torque wrench set to the exact specs in the instructions, yet both rotors developed crack on the 'dog-ears'. I subsequently removed the rotor from the hat and some of the dog ears fell off completely; they had snapped clean off the rotor. I called Rob @ UUC and he was very apologetic, sending out 2 brand new rotors very quickly. He also included return shipping labels for the old ones; he really wanted to investigate what was going wrong. I never heard back from his investigation but I can only assume the rotor mfg'r had some kind of QC issues and made a bad batch. The replacements went on the car just fine and I've had zero problems with them since.

I have a very heavy (3150lbs) car with a 3.5 swap, it was is sore need of some good brakes. I probably could have gone with an aggressive pad but the style, looks and quality of this kit was very appealing to me. I just had my calipers powdercoated and am looking very forward to another season with these brakes. Thumbs up!
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Old 04-11-2011, 11:27 AM   #18
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Waiting to install mine in the next month... along with brake cooling plates/ducts and new front wheel bearings. I'll post my impressions after.
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Old 04-14-2011, 05:40 PM   #19
TrackjunkiE30
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Anyone have any uneven pad wear? I have gone through two sets of pads (DTC-60) and both set have had uneven wear.
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Old 04-14-2011, 05:52 PM   #20
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Quote:
Originally Posted by TrackjunkiE30 View Post
Anyone have any uneven pad wear? I have gone through two sets of pads (DTC-60) and both set have had uneven wear.
Pics?
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Old 04-14-2011, 06:45 PM   #21
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Pics?
Won't be able to get pics for a while. Between work & racing (not my car), it will be a couple of weeks.
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Old 04-14-2011, 07:02 PM   #22
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Quote:
Originally Posted by TrackjunkiE30 View Post
Won't be able to get pics for a while. Between work & racing (not my car), it will be a couple of weeks.
Can you describe the abnormal wear?
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Old 04-15-2011, 08:12 AM   #23
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Quote:
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Can you describe the abnormal wear?
It is 2 part:

1) the top of the pad doesn't come in contact with the rotor, so there is a fraction of the pad thar doesn't get used.

2) the leading edge of the pad gets worn significantly more. I lost brakes going into T1 @ VIR and did a visual inspection of the pad (without removing the wheel) and it appeared to still have enough pad (not much, but enough). After it happened again, I removed the wheel and noticed that the leading edge was on the backing plate.

For reference, the DTC-60 lasts me around 4 - 5 track weekends.
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Old 04-15-2011, 08:21 AM   #24
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Quote:
Originally Posted by TrackjunkiE30 View Post

1) the top of the pad doesn't come in contact with the rotor, so there is a fraction of the pad thar doesn't get used.
I have noticed this same issue
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Quote:
Originally Posted by slammin.e28
I thought a rim job had more to do with the other...eh....end....

Or have I been licking buttholes for no reason all this time?
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Old 04-15-2011, 09:24 AM   #25
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Quote:
Originally Posted by TrackjunkiE30 View Post
It is 2 part:

1) the top of the pad doesn't come in contact with the rotor, so there is a fraction of the pad thar doesn't get used.

2) the leading edge of the pad gets worn significantly more. I lost brakes going into T1 @ VIR and did a visual inspection of the pad (without removing the wheel) and it appeared to still have enough pad (not much, but enough). After it happened again, I removed the wheel and noticed that the leading edge was on the backing plate.

For reference, the DTC-60 lasts me around 4 - 5 track weekends.
I thought the staggered piston size was supposed to mitigate that leading-edge wear... do you have adjustable bias valve?

Quote:
Originally Posted by CorvallisBMW View Post
I have noticed this same issue
Yeah, I remember Lee bringing that up when Rob announced the 4-lug kit.
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Old 04-15-2011, 09:56 AM   #26
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Quote:
Originally Posted by markseven View Post
I thought the staggered piston size was supposed to mitigate that leading-edge wear... do you have adjustable bias valve?.
Nope, no valve.

I just sent an email to Rob asking him to take a look at this thread and advise.

Last edited by TrackjunkiE30; 04-15-2011 at 10:25 AM.
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Old 04-15-2011, 10:01 AM   #27
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Very interested to see if others are having this issue too...
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Old 04-16-2011, 12:27 AM   #28
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Quote:
Originally Posted by CorvallisBMW View Post
I've had my kit on for close to a year now and have been very please with the 3000 or so miles I've covered.

There were some initial problems with the rotors, both of mine developed cracks after bolting them down to the aluminum hats. I was using the kit-supplied Loctite and a click-type torque wrench set to the exact specs in the instructions, yet both rotors developed crack on the 'dog-ears'. I subsequently removed the rotor from the hat and some of the dog ears fell off completely; they had snapped clean off the rotor. I called Rob @ UUC and he was very apologetic, sending out 2 brand new rotors very quickly. He also included return shipping labels for the old ones; he really wanted to investigate what was going wrong. I never heard back from his investigation but I can only assume the rotor mfg'r had some kind of QC issues and made a bad batch. The replacements went on the car just fine and I've had zero problems with them since.

I have a very heavy (3150lbs) car with a 3.5 swap, it was is sore need of some good brakes. I probably could have gone with an aggressive pad but the style, looks and quality of this kit was very appealing to me. I just had my calipers powdercoated and am looking very forward to another season with these brakes. Thumbs up!
You're running the Kopi wheels, right? Any clearance issues with the caliper?
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Old 04-16-2011, 06:31 AM   #29
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Quote:
Originally Posted by MR 325 View Post
You're running the Kopi wheels, right? Any clearance issues with the caliper?
He's running 17" Kopis. No spacers, no caliper issues.
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Old 04-16-2011, 01:14 PM   #30
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Just installed a set and they didn't fit under my 16" Alpinas with out a 5mm spacer.
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