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S3 Brakes

Discussion in 'A3/S3/Sportback (8P Chassis)' started by MattS, Jun 12, 2007.

  1. MattS
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    MattS Member

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    [Jun 12, 2007]
    HI guys,

    Another brake question!!!! I am looking to change the brakes on my A3 2.0T and am looking to purchase the S3 set up. I have priced it up and it is quite reasonable compared to Brembo etc.

    I know Brembo will be the better set up but I think the S3 will be a good upgrade.

    Cheers!!
    #1
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  3. normski
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    normski Member

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    [Jun 12, 2007]
    I find the S3 brakes to be very, very good indeed...probably not up to Brembo standards when getting hot etc., but they feel very firm and the slightest touch slows you down greatly.

    I personally don't like the feel from cars I have driven with Brembo's, most noteably a new Sti I drove last week. Bit spongy for my liking...
    #2
  4. jamiekip
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    jamiekip Guest

    [Jun 12, 2007]
    I agree with normski, the brakes on the new S3 were one of the first things I noticed - everyone has had a few Audi's will know Audi tends to make the brakes on their cars to be grabby, but the S3's are very progressive and powerful. I've had a few 'hard' drives and not managed to get the bake grumbling or fading so happy so far!
    A worthy upgrade and the calipers look great behind the rims!
    #3
  5. Hatmeow Sportback
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    Hatmeow Sportback New Member

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    [Jun 13, 2007]
    How much does the S3 set up cost? Does that include rear calipers as well? How does that compare to Brembos in price?
    #4
  6. MattS
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    MattS Member

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    [Jun 13, 2007]
    I priced them up a few months back, and the S3 front calipers, discs and pads were less than £500.

    I'll get an exact price later today hopefully. I have not enquired about the rears yet though.

    But thanks for the feedback guys, if they are good on a S3, then they should be more than OK on a 2.0T.:rockwoot:
    #5
  7. cyanescent
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    cyanescent Member

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    [Jun 13, 2007]
    but... that's not including the fitting.. or are you fitting them yourself? I'd be interested to know the entire cost including fitting (fitting push-bike brakes is something I'm more than capable of.. but I'd rather not trust myself with brakes on a car!)
    #6
  8. Shao_khan
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    Shao_khan Member

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    [Jun 13, 2007]
    I think if you are doing the upgrade to S3 brakes and while doing it instal braided hoses, upgraded fluid and pads (if you can find some) you will be very pleased with the results.

    I'm not sure yet, but I suspect with Factory fit in say track use we'll probably find that the Pads, fluid and interconnects will be where the problem occurs and thats all easy to fix.
    #7
  9. Boydie
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    Boydie Guest

    [Jun 13, 2007]
    the s3 brakes are twin piston so as far as i am aware you need to bleed the brakes etc... so i would suggest a specialist!

    why not consider the 3.2 A3 brakes? they have 345mm discs with uprated calipers and carriers

    they do weigh a lot though which you might see a difference - but they will definately stop you!
    #8
  10. sjahS3
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    sjahS3 Member

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    [Jun 13, 2007]
    Some braided hoses, .5 fluid and fast road, track pads and you'll be laughing :cool:

    Am sure the std discs are good for occasional track use anyhow ! ;)

    -Sal-
    #9
  11. MattS
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    MattS Member

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    [Jun 13, 2007]
    I will fit them myself, I have the kit to bleed the brakes properly, the set up is very very similar to Vauxhall which I have been doing for years.

    Your right, braided hoses are a must considering they are only £56.00 a set, it would be nice to put in some Mintex pads, but not sure if they are available yet, I won't change the fluid as I only see a benefit unless your doing lots of track days all year. Should be a nice set up.

    3.2 brakes were very high on my list, but the increase in up sprung weight really puts me off, I know they will stop very well but the S3 brakes are apparently slightly lighter than the standard 2.0 T brakes. As I am also changing the dampers and Anti Roll bars, I want to try to keep the car as nimble as possible.

    Exactly my thoughts too.:icon_thumright:
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  12. N8
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    N8 Kowalski Details VCDS Map User

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    [Jul 5, 2007]
    I'd be interested in a set for my 2.0 TDI sportback when it arrives. They don't make Brembos for mine? Do you just source the parts from audi?
    #11
  13. MattS
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    MattS Member

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    [Jul 5, 2007]
    PM sent N8KOW.

    These will be sourced from Audi. Trying to tempt them into some discount first.
    #12
  14. Boydie
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    Boydie Guest

    [Jul 5, 2007]
    Matt, can you pm me the list of parts and numbers if you have them as well as prices please?

    thanks
    #13
  15. Beddie
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    Beddie Member

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    [Jul 5, 2007]
    Same request please Matt if you would be so kind :icon_thumright:

    Heading back to the Ring in October and the standard brakes were next to useless on my trip there in May so would like an upgrade before i'm dragging the A3 out of the gravel...lol!
    #14
  16. jamiekip
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    jamiekip Guest

    [Jul 5, 2007]
    At mallory last weekend on a track day I got chatting to the guys from milltek. Their black S3 had an RS4 brake conversion..... it was sreiously cool, though requires upgrading to 19" wheels.
    At mallory the brake on my S3 we're fine, however, the course isn't that heavy on the brakes and it was very wet, so speeds we're sensible and braing distances very much on the cautious side, so don't really think they we're having much of a work out.
    The guys from Milltek we're saying their S3 on standard brakes at croft coped with 4-5 hard laps before they faded right-off, hence they ahve gone for the RS4 conversion to get more out of each session.

    In summary, even the S3 set up will start to struggle with sustained track use (though this is from word of mouth!), however for road use and my experiences so far, I stand by my guns as a great set up - one fo the best i've tried in an Audi.

    FYI - the RS4 brake conversion was quoted at c£1600 and is only for the front, the rears we're deemed more than up for the task!!!
    Looked awesome too!
    #15
  17. nwhiteley
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    nwhiteley Member

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    [Jul 6, 2007]
    What is the difference between the S3 set up and those on the standard 2.0T. I see that you havnt included the carriers in your parts list,are they the same?
    #16
  18. stevehsv868
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    stevehsv868 Unofficial Audi UK Endurance Test Driver

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    [Jul 9, 2007]
    I would also be very interested in the S3 brake set up

    failing that the 3.2 V6 brakes would also be a good option

    or failing that go for the 312mm discs and caliper carriers , off the 2.0 turbo
    #17
  19. Boydie
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    Boydie Guest

    [Jul 9, 2007]
    2.0 turbo brakes are the same as the tdi - only options are:

    S3
    3.2/r32 brakes but are very heavy
    312mm flat brembo disc's and TT carriers
    #18
  20. stevehsv868
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    stevehsv868 Unofficial Audi UK Endurance Test Driver

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    [Jul 9, 2007]
    are you sure isnt there 288mm for the 140 tdi ,

    then 312mm for the 170 tdi and the 2.0 turbo ???
    #19
  21. Boydie
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    Boydie Guest

    [Jul 9, 2007]
    im not sure - i was told that the brakes r the same
    #20
  22. Beddie
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    Beddie Member

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    [Jul 9, 2007]
    No mate, as Steve above has said 288mm for the 140 TDi and 312mm for the 2.0T and 170 TDI..

    Makes an easy upgrade possible for the 140 though, just discs, pads and caliper carriers required to get the 312mm fronts although i was never that impressed with the same setup on my MKV GTI tbh so would like something bigger again for the A3....

    Hell, it needs something better than the ***** it's got now lol! :)
    #21
  23. curley
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    curley Member

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    [Jul 9, 2007]
    Might help you stop if you had some new tyres...
    Slip sliding away:idea:
    #22
  24. Beddie
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    Beddie Member

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    [Jul 9, 2007]
    Erm..Arrr...I'm working on it.... lol ;)
    #23
  25. d3fy
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    d3fy Active Member

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    [Jul 9, 2007]

    Get a price from Nelson_Wilbury he works for a Audi Stealer in the parts department. Sorted me out for a few things.
    #24
  26. TDI-line
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    TDI-line Uber Post Whore

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    [Jul 9, 2007]
    Why are the 3.2 ones so heavy?
    #25
  27. Boydie
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    Boydie Guest

    [Jul 9, 2007]
    because they are 346mm or there abouts
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  28. TDI-line
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    TDI-line Uber Post Whore

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    [Jul 9, 2007]
    So what size are the S3 ones?
    #27
  29. Boydie
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    Boydie Guest

    [Jul 9, 2007]
    312mm?? that i am not sure!
    #28
  30. TDI-line
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    TDI-line Uber Post Whore

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    [Jul 9, 2007]
    Ok, so if the S3 ones , are say 312, and the R32 ones are 346, covering a larger surface area, but are heavier.

    Which are best?
    #29
  31. Beddie
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    Beddie Member

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    [Jul 9, 2007]
    Ok, just had a look at the S3 specs given in this months AudiDriver mag and also the Audi UK web site and the S3 has:

    345mm front ventilated discs
    310mm rear ventilated discs

    The MKV R32 according to Volkswagen driver mag and also the VW UK website also has:

    345mm front ventilated discs
    310mm rear ventilated discs

    The R32 shares it discs with the A3 3.2 V6 and also the calipers which although pretty hefty are only single piston as opposed to the twin piston set up used on the MK4 R32..

    There is no mention whether the new S3 uses the same single piston caliper as the R32 but looking at pictures of both they appear very similiar with the S3 having the clip on 'S3' logo cover on the caliper face,

    It certainly appears that both models share the same disc setup and very probably calipers too and i know from looking a while back that a front A3 3.2/R32 setup can be had for around the £500 mark, so the S3 setup could be exactly the same but with black painted calipers as opposed to blue on the R32 and silver for the 3.2...?

    So..

    288mm for 140 TDI
    312mm for 170 TDI / 2.0T - both these share a common caliper

    345mm for 3.2V6 Quattro

    345mm for S3 - possibly shares a caliper with the 3.2

    HTH :icon_thumright:
    #30
  32. Boydie
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    Boydie Guest

    [Jul 9, 2007]
    good work lad!

    so going by your stats the s3 brake discs will be exactly the same as the 3.2?

    from what i have heard the bigger discs are noticably different weight wise
    #31
  33. Beddie
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    Beddie Member

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    [Jul 10, 2007]
    No probs at all mate :icon_thumright:

    It certainly seems that the S3 and 3.2 discs are the same even if the calipers turn out to be different in some way, and yep, the are pretty weighty bits of kit... there is quite a noticeable difference in weight between the 288mm and 312mm discs so would assume even more so when going up to 345mm...
    The S3 has some aluminium suspension parts iirc which will go some way to offsetting the extra weight of the bigger brakes and help keep the unsprung weight down although i personally would be happy with a little extra weight to lug around for the much better braking performance...:icon_thumright:

    Here's a pic of the full 345mm brake conversion offered by Autotech for $1299..

    [​IMG]
    #32
  34. Beddie
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    Beddie Member

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    [Jul 10, 2007]
    And here are some part numbers relating to the various upgrades, obviously please double check the numbers before ordering etc etc.. :icon_thumright:


    312 x 25mm Disc Setup
    Disc: 1K0 615 301AA [SIZE=+0]- [/SIZE]
    Carriers: 1K0 615 125-C[SIZE=+0] [SIZE=+0]- [/SIZE][/SIZE]
    Calipers: Not required when upgrading from 288mm

    345 x 30mm Disc Setup
    Disc: 1K0 615 301M
    Carriers: 1K0 615 125-B
    Calipers: 1K0 615 123-C or / ......124-C
    #33
  35. nwhiteley
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    nwhiteley Member

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    [Jul 11, 2007]

    Would the back plates need to be changed as well?
    #34
  36. Boydie
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    Boydie Guest

    [Jul 11, 2007]
    might go for the 312mm jobbies since my car is heavy enough!
    #35
  37. stevehsv868
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    stevehsv868 Unofficial Audi UK Endurance Test Driver

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    [Jul 11, 2007]
    Im just in the proces off getting a price for the full S3 front brake set up.

    price is still unconfirmed, but it is going to be around the £750 mark

    which incudes Discs, carriers, calipers, pads

    is anyone interested ?????????????:blackrs4:
    #36
  38. A3simon
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    A3simon Active Member

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    [Jul 27, 2007]
    did you get a confirmed price for these as im very interested
    #37
  39. stevehsv868
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    stevehsv868 Unofficial Audi UK Endurance Test Driver

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    [Jul 30, 2007]
    according to audi accesories.co.uk the brake master cylinder is different on the S3 , so he would be not confident supplying them, :blownose:



    so the only other options are 3.2 v6 brakes , or going for a none genuine upgrade
    #38
  40. emzino
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    emzino Active Member

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    [Jul 30, 2007]
    Why don't any of you go for the Brembo GT kit, what's wrong with those?
    #39
  41. jonnyc
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    jonnyc Member

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    [Jul 30, 2007]
    Rather than buying the standard s3 pads get yourself a set of ferodo ds2500.. had these on my mk5 gti and they were very good.

    You also may have to buy brake lines because the front calipers have a different connection to the standard calipers..

    Jonny
    #40

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