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View Full Version : RS4 B9 8W Front Brake Kit to B8/B8.5



MakisB8.5
04-27-2020, 12:41 PM
Hello Guys!

I would like to share my first post with you about the Kit that everyone has been interested so long time but as I searched on the Forum nobody did this upgrade. My decision about this kind of brakes was the weight and of course the image! The other thing was the deep concave of my wheels. The deep concaving needs bigger rotors just to go further to the rim. The other thing is that the B9 has offset 5mm deeper..to the suspension so the calipers move deeper and create more gap between the caliper and the back spoke.

What you need.

This upgrade recommends 19" wheels or bigger.

375x36 Front RS4 b9 rotors (12.4kg) The most lightweight rotors on the Market.
RS4 Akebono 6pot Front calipers (its bigger than S4 B9) 8W0.615.105BK
Custom Bracket Adapters 7075 CNC’d with 5mm deeper offset. (I made them in Greece) about 300 euros
Stainless steel brakes lines I used “Goodridge
Remove the DUST PLATE.
https://i.postimg.cc/cC9x1wxd/IMG-5704.jpg (https://postimg.cc/4HckBKH0)

Here is the caliper bolted in to the Custom Adapter

https://i.postimg.cc/y8S1BDwz/IMG-5692.jpg (https://postimg.cc/gxmFH2zM)

https://i.postimg.cc/tTbCB9vG/IMG-5690.jpg (https://postimg.cc/xks2CVS6)

https://i.postimg.cc/Bn866YPk/IMG-5691.jpg (https://postimg.cc/YvHkDx3z)

After Removing the dust plate, original caliper and rotor the new RS4 B9 rotor seating straight away onto the hub. (i used the small torx bolt from the old rotor) as seen on this photo the gap now is shorter between the carrier link and rotor cause of the B9 Offset goes 5mm deeper and thats why I removed the Dust plate.

https://i.postimg.cc/bJfd4xJM/IMG-5688.jpg (https://postimg.cc/zLpJgRTS)

With these adapters there is no needing to modificate anything on the bracket or adding spacers etc.

https://i.postimg.cc/tR57mVHS/IMG-5700.jpg (https://postimg.cc/14898XXw)

The result is amazing.

https://i.postimg.cc/13LzNGpt/IMG-5693.jpg (https://postimg.cc/FYVvMJC5)

https://i.postimg.cc/fTJqgm9D/IMG-5703.jpg (https://postimg.cc/MvJYnc5F)

kholben515
04-27-2020, 08:30 PM
This is incredible. Bravo!

MakisB8.5
04-28-2020, 07:06 AM
This is incredible. Bravo!

Thank you mate!


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iAwesomE
04-29-2020, 05:15 PM
Beautiful project. Looking at something like this myself. I currently have the Q5 calipers, and although they are an upgrade, I want something more.
How does the brake pedal feel? Did you have to change out to RS5 master cyn and booster to get the stock pedal feel?

MakisB8.5
05-02-2020, 11:29 AM
Beautiful project. Looking at something like this myself. I currently have the Q5 calipers, and although they are an upgrade, I want something more.
How does the brake pedal feel? Did you have to change out to RS5 master cyn and booster to get the stock pedal feel?

Thank you! The feel is unbelievable, you don’t need anything else to give you something more... the brake is progressive and not abrupt. but if necessary, it stops like an anchor


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scmtkings4
05-08-2020, 12:44 PM
Very nice!!

Quattro JRK
07-16-2020, 04:05 PM
Bravo re Maki! Looks great and I’m sure feels great. Happy travels (kalotaksido) [emoji16]


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