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View Full Version : Brembo 17Z kit on my B5 A4



JetG0ld
02-15-2017, 03:26 PM
Good afternoon!

I finally had the time to do the install of my Brembo 17Z brake kit this weekend. I had to swap to S4 uprights to get these to fit. While in there, I installed SPC adjustable upper control arms, and put in some new strut mounts. https://uploads.tapatalk-cdn.com/20170215/6eaae06d8ee524b76f68b81684058748.jpg

The biggest complication I ran into was having to grind my uprights down slightly to get these "Stage 2" rotors to fit. Luckily, not much was needed to clear (the structural integrity isn't an issue as it was just a few mm in an area with plenty to give. It seems this particular rotor option had only been fit to a C5 A6. But, everything is installed now.

https://uploads.tapatalk-cdn.com/20170215/93d31b064243c80f4997dd769b33e35c.jpg

I got the car aligned on Monday, so I haven't really been pushing the limits of the brakes so I can allow them to properly break in. So far, so good!

Bordom
02-15-2017, 04:49 PM
You used C5 A6 front rotors? What specific car?

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b6Hate4
02-15-2017, 05:32 PM
Apikol also makes a set of brackets to fit these, to the tune of $230 or thereabouts.

JetG0ld
02-15-2017, 07:34 PM
No they aren't C5 rotors. The guy we use for these kits modifies rotors from a Volvo or Benz I believe. The specific rotor I got had been tested on a C5 and not on a B5. He also drills them as shown in the picture.

It's thicker than the traditional 17Z rotor so the caliper has to get machined a small bit. So the Apikol kit would work, but I got uprights cheaper. I don't think I could have used the thicker rotors with the Apikol kit due to some clearance issues (which I ended up having anyway)

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marka4
02-16-2017, 01:47 AM
This is cool swap hay, I have test bolted up my z18' yesterday I swapped over my uprights to the b6 and have ml55 rotors funny thing is I had the grinder there ready to go and was looking thought I was smoking to mutch looked again and it seems I dont have to grind anything hmmmm but lucky I think was the easiest thing I have done so far lol.

But I have to take them off as I dont have big enough rimz :( my ne house is reay next month so ill push it down the road then save up for some new wheels and stiky gearbox testing tyers lol

JetG0ld
02-16-2017, 08:30 AM
This is cool swap hay, I have test bolted up my z18' yesterday I swapped over my uprights to the b6 and have ml55 rotors funny thing is I had the grinder there ready to go and was looking thought I was smoking to mutch looked again and it seems I dont have to grind anything hmmmm but lucky I think was the easiest thing I have done so far lol.

But I have to take them off as I dont have big enough rimz :( my ne house is reay next month so ill push it down the road then save up for some new wheels and stiky gearbox testing tyers lol

Very nice! I wanted to go with an 18Z kit myself, but my winter wheels are 17" and theyre powdercoated black so I've already invested $$$ into them, and I like them a lot as a winter wheel.

On a seperate note, I drove the car again today and it feels great. I upgraded to Stoptech RS4 lines which has helped my pedal feel.

SnowBum124
02-16-2017, 09:29 AM
Great work![wrench]

marka4
02-21-2017, 01:11 AM
Hay m8 do you think the brake lines will work on the z18 calipers? Could you put up a part number I thought I had some but I cant find them dam hay

JetG0ld
02-28-2017, 08:51 AM
Hay m8 do you think the brake lines will work on the z18 calipers? Could you put up a part number I thought I had some but I cant find them dam hay

They should, we used the same lines on my buddies 18Z setup on his B5 S4. We use the StopTech RS4 Brake Lines. I don't know the part number off the top of my head. Sorry about that.

marka4
03-04-2017, 01:01 AM
Thank you heeeeps iv finally made my wee spacers for the rear 9mm 1'' to space out the b7 s4 calipers and 300 disk do this swap insted of the s4 300 it will not do the whole rotor pad contact. But the b7 will :) mutch better. A person has already done this I was lucky enough to be able to read this and v nice

DeathKing
03-05-2017, 05:06 PM
Looks great! I could use a brake upgrade soon...

pee quu
03-06-2017, 08:58 AM
You where able to swap to s4 uprights without having to swap axles?

JetG0ld
03-08-2017, 03:54 PM
You where able to swap to s4 uprights without having to swap axles?

Yeah the axles bolt right up. I believe you need to have an 01 for this, but that could be wrong.

pee quu
03-09-2017, 09:24 AM
is your car a 1.8 or v6?

seanf86
03-10-2017, 01:17 PM
is your car a 1.8 or v6?

all 01s have the larger front outer cvs whether 1.8 or 2.8.

marka4
03-12-2017, 03:47 PM
all 01s have the larger front outer cvs whether 1.8 or 2.8.

I used my 01a axles with the small cv end and used vw van cv joints. had the center lathes down to take the c clip. Seems to work I couldn't find any axles tryed for a while still looking lol but the cv joints were 55bux for 2x. Rather than the 100+ for 1 here.

pee quu
03-13-2017, 05:17 AM
interesting fact about the 01's I never knew.

thedanplasse
03-15-2017, 11:10 AM
Easiest way to run 17/18z on an a4 is run s4 uprights 01 a4 axles or s4 axles. stoptech makes the lines for them and run mercedes c230sport rotors, after boring the lug holes out to acomodate the audi lugs. IIRC you need to mill off some material off the mating surface of the caliper to have it sit correctly over the rotor.

JetG0ld
03-22-2017, 10:01 AM
Easiest way to run 17/18z on an a4 is run s4 uprights 01 a4 axles or s4 axles. stoptech makes the lines for them and run mercedes c230sport rotors, after boring the lug holes out to acomodate the audi lugs. IIRC you need to mill off some material off the mating surface of the caliper to have it sit correctly over the rotor.

It depends on what size rotors you run, the guy we get our stuff from has a set of rotors that dont require the caliper to be machined at all. I went with a thicker rotor which required grinding on the upright, and for the caliper to be machined slightly.

thedanplasse
03-22-2017, 10:16 AM
With the Mercedes c230 sport rotor "330mm" I believe you need the machining done.

Rodgman15
03-22-2017, 05:07 PM
These look so nice tucked away, well done sir! The only thing keeping me from doing it is the cost of the adapters, should just try to make my own.