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  1. #1
    Stevie C

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    312mm Disc for upgrade??? Nightmare!!

    Whilst in the process of uprading front brakes on a very early 140bhp A3 8P (Jan 04) i have come up against a problem.

    I have changed the Calipers and carriers (to MK5 Golf GTI Spec which go on with no hassle) to accommodate 312mm disks however i dont seem to be able to locate 312mm disks that will fit over the original hubs. I have tried EBC, Brembo, Audi TT and even S3 Discs with no joy...

    Anyone know if the 170bhp uses larger discs with same offset but larger centre space for the hubs???

    Any ideas....PLEASE!!!
    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

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  3. #2
    SteveTDCi's Avatar
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    I didn't think you needed to change the calipers only the mounting bracket ? what about using standard GTi discs ?
    Gone A3 TDi S Line DSG Bluefined

    Now Seat Leon Cupra about to be Bluefined

  4. #3
    Stevie C

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    got the MK5 calipers and carriers from ebay at a bit of a bargin hence changing the lot.

    Not tried MK5 Golf discs as thought there may be an issue with the offset.

    Thought i would ask the question on here to see if someone had done this before or knows of discs that may fit.
    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

  5. #4
    Stevie C

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    Quote Originally Posted by Stevie C View Post
    Whilst in the process of uprading front brakes on a very early 140bhp A3 8P (Jan 04) i have come up against a problem.

    I have changed the Calipers and carriers (to MK5 Golf GTI Spec which go on with no hassle) to accommodate 312mm disks however i dont seem to be able to locate 312mm disks that will fit over the original hubs. I have tried EBC, Brembo, Audi TT and even S3 Discs with no joy...

    Anyone know if the 170bhp uses larger discs with same offset but larger centre space for the hubs???

    Any ideas....PLEASE!!!
    Found this on another thread.. not sure if this would do the job or not??

    312 x 25mm Disc Setup
    Disc: 1K0 615 301AA

    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

  6. #5
    sprout99's Avatar
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    i've just started to look into this.

    i was just going to buy std disks - offset should be same for Leon, golf, octavia and A3 - it's the wheels that are different
    2004 AUDI A3 S-LINE DSG TDi
    MAURITIUS BLUE
    2005 BMW 120d M Sport 163+
    BLACK SAPPHIRE

  7. #6
    Stevie C

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    Surly the hubs must be thye problem between the early 8Ps and the later model as all the disks we have tried so far have a smaller centre which will not slip over the hubs!

    Going to contact fitz at bristol audi and use my chassis number against the part number below to see if they are an option should get a yeh or a neh by 10am..
    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

  8. #7
    Stevie C

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    You may be able to try a chassis number from the DSG to see if discs are larger but same fitment as your S-Line.. ??? just an idea as i have heard the DSG runs larger discs??
    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

  9. #8
    Stevie C

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    These wont fit the early 2004 8P hubs:

    312 x 25mm Disc Setup
    Disc: 1K0 615 301AA


    the recess is approx half inch too small to cover the hub :-(

    Nightmare! anyone know what is fitted to the 170DSG??? and have a part no??

    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

  10. #9
    sprout99's Avatar
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    yours must need the 8L type discs?

    i did notice the disc offset was very different

    i hope i don't have same chew !!
    2004 AUDI A3 S-LINE DSG TDi
    MAURITIUS BLUE
    2005 BMW 120d M Sport 163+
    BLACK SAPPHIRE

  11. #10
    sprout99's Avatar
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    what is the brake set up codes for your car?

    mine are 1KD , 1ZE
    2004 AUDI A3 S-LINE DSG TDi
    MAURITIUS BLUE
    2005 BMW 120d M Sport 163+
    BLACK SAPPHIRE

  12. #11
    Stevie C

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    not sure on codes where can i find them?

    After chatting with GSF ECP and Others seems like the MK5 golf GTI disks will do the job - going to get the EBC set and see what happens :-)
    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

  13. #12
    sprout99's Avatar
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    look here .....

    http://www.conti-online.com/generato...umbers_en.html

    plate is usually next to spare wheel in boot

    1ZE is disk size and other code is calliper set up i think.
    2004 AUDI A3 S-LINE DSG TDi
    MAURITIUS BLUE
    2005 BMW 120d M Sport 163+
    BLACK SAPPHIRE

  14. #13
    Stevie C

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    will check it out thanks for the info
    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

  15. #14
    Stevie C

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    Cant seem to locate the info plate will have another better look over the weekend and keep you posted.
    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

  16. #15
    sprout99's Avatar
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    have you got any photo's of the parts ?

    for reference so i know what to expect
    2004 AUDI A3 S-LINE DSG TDi
    MAURITIUS BLUE
    2005 BMW 120d M Sport 163+
    BLACK SAPPHIRE

  17. #16
    sprout99's Avatar
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    you leaving them red too?
    2004 AUDI A3 S-LINE DSG TDi
    MAURITIUS BLUE
    2005 BMW 120d M Sport 163+
    BLACK SAPPHIRE

  18. #17
    Stevie C

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    yeah leaving them red with audi stickers. Trying to get hold of drilled and grooved discs for the MK5 at the mo but will keep you posted.
    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

  19. #18
    sprout99's Avatar
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    i wouldn't bother

    spend your money on good pads - Pagid for example.
    2004 AUDI A3 S-LINE DSG TDi
    MAURITIUS BLUE
    2005 BMW 120d M Sport 163+
    BLACK SAPPHIRE

  20. #19
    Stevie C

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    done that too - got red stuff. can get EBC discs but they are not cheap (Grooved and dimpled) looking at Brembo / 3G drilled and grooved save as these are slightly cheaper.
    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

  21. #20
    sprout99's Avatar
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    I've had EBC discs - thought there were rubbish.

    If anything go for zimmerman drilled discs.

    I think i PM'd you about golf mk5 GTi rears i have for sale. 286 X 12 ful set up.

    I did the conversion on ours this morning. One side was a pig to get carriers off. I painted ours gloss black. They look class.

    Brakes do feel a little bit more progressive now - before they bit well but ran out of puff under heavy braking
    2004 AUDI A3 S-LINE DSG TDi
    MAURITIUS BLUE
    2005 BMW 120d M Sport 163+
    BLACK SAPPHIRE

  22. #21
    Teejay's Avatar
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    so was there any definitive answer to which 312mm brake discs are required for the earlier 8Ps to do this mod?

  23. #22
    Stevie C

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    Teejay - Its looking like its the Golf MK 5 GTI disk size for the front 312 x 25 with a depth of 50mm thru centre of the disc. will confirm this with you once i receive mine and they are on.

    Sprout99. What set up have you gone for on the front? was the set you had for sale the ones you have fitted today?

    I think i am going for the Quattro set up on the rear.. just hope i ont get the same hassle that i did with the fronts!

    Whats your names by the way??
    Audi A3 2.0 TDI Dolphin Grey |Loads of extras... & Mods...

    Mods Fitted - Full Rieger Infinity Body Kit including Splitter | De Chromed Front Grills | Graphite RS4 19" Alloys |MK5 Golf GTI Brakes |S6 DRLs | Jetex Twin Tailpipe Exhaust | Revo Remap | TT FBMFSW |S3 Retro Pedals | S3 Air Vents | Diamond Front Component Speakers | Custom Parcel Shelf |Private Plate

    Mods to be done - R32/R line Gear Knob | Interior Map lights |35% tints

  24. #23
    sprout99's Avatar
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    Quote Originally Posted by Stevie C View Post
    Sprout99. What set up have you gone for on the front? was the set you had for sale the ones you have fitted today?

    I think i am going for the Quattro set up on the rear.. just hope i ont get the same hassle that i did with the fronts!

    Whats your names by the way??
    i bought a full set of MK5 GTi brakes. Very good condition just didn't want rears but it was part of deal. They are 286 x 12 and i have callipers, carriers, pads and discs. If you pm me your e-mail adress i can send pics? They are like new and red and will match your fronts

    I put the fronts (312mm) on our car but painted them gloss black first. I could have just used carriers but the calipers were practically new so ithought i'd customise first.

    Cheers

    Ian
    Last edited by sprout99; 1st June 2008 at 18:09.
    2004 AUDI A3 S-LINE DSG TDi
    MAURITIUS BLUE
    2005 BMW 120d M Sport 163+
    BLACK SAPPHIRE

 

 

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