OEM M5 Brake crossover to a Z4M (no pics yet)

[Z4-VILLA]

This is a little adventure that I am about to embark on since an entire OEM brake kit off of an M5 fell into my lap.

Any thoughts would be appreciated.

[Mirko]

What are measurements of the M5 rotors? How much modification is required? What about the size of the master cylinder? It has to be bigger in the M5.

Would love to see this get pulled off, but will the cost associated be more or less than just getting a stoptech kit off the shelf?

[Z4-VILLA]

stoptech? I like original equipment... I don't have any of the specs of this project as it literally has just taken it off. I will update accordingly

[DataStream18]

Holy hell that would be massive!

[Z4-VILLA]

if you can bypass labor byknowing someone who is skillful with the welding in all that with the bolts and what not the actual part of the m5 brake itself isn't that devastating

[Z4-VILLA]

this was all inspired by my recent viewing of an m3 front bumper morphed onto a z 4

[Z4-VILLA]

Originally Posted by DataStream18

Holy hell that would be massive!

that's what she said.

[ZStig]

Originally Posted by Z4-VILLA

that's what she said.

I'm sorry to hear that. I usually hear that it IS massive, not WILL be massive after significant mods.

[DataStream18]

HAHAHAHAHA

[dorifto88]

id add another option, porsche calipers.

http://www.rallyroad.net/content/e46...apter-brackets

not what you want to hear though lol.

good luck

[Z4-VILLA]

Originally Posted by dorifto88

id add another option, porsche calipers.

http://www.rallyroad.net/content/e46...apter-brackets

not what you want to hear though lol.

good luck

god damnit you posting those porsche brakes makes me mad... yes I will try my best to make this work with my shop

[Z4-VILLA]

Originally Posted by Roffle Waffle

I'm sorry to hear that. I usually hear that it IS massive, not WILL be massive after significant mods.

tom you are a bastardo!

[Z4-VILLA]

well damn poll option 3 has 2 hits....wtf lol

[Z4-VILLA]

Pic of part

[ZStig]

Good luck, and don't forget that without a bigger brake master cylinder the pedal will go straight to the floor

[Z4-VILLA]

Originally Posted by Roffle Waffle

Good luck, and don't forget that without a bigger brake master cylinder the pedal will go straight to the floor

i wonder about abs too

[beta]

Just putting bigger brakes on there isn't going to make it stop better. More than likely you're going to affect your brake bias and end up with a worse braking distance. That is unless you do a lot of testing and adjust accordingly.

If it was me, I'd start by recording some 60-0 and 90-0 stops, seeing how many feet it takes to stop on average. Then after the mod is done do the same test and verify that your stopping distance is same or better, and if not keep adjusting until it is.

There's a lot of testing that goes into a kit like Brembo or Stoptech.

[Z4-VILLA]

challenge accepted.

[Z4-VILLA]

Originally Posted by beta

Just putting bigger brakes on there isn't going to make it stop better. More than likely you're going to affect your brake bias and end up with a worse braking distance. That is unless you do a lot of testing and adjust accordingly.

If it was me, I'd start by recording some 60-0 and 90-0 stops, seeing how many feet it takes to stop on average. Then after the mod is done do the same test and verify that your stopping distance is same or better, and if not keep adjusting until it is.

There's a lot of testing that goes into a kit like Brembo or Stoptech.

true...I think it will be easier than many of u predict. I've seen too many swaps with engines. ......

[Rated M Roadster]

This might help: http://www.tceperformanceproducts.com/bias-calculator/

Good luck.

[Beedub]

those better not be your shoes barney...... fo Realll.....

btw i like the upgrade BUT.... BUT... are you aware that Ap, Brembo, stoptech, alcon and the likes spent huge amount of time getting the piston sizes to match so you still get a nice pedal ect ect....

that said you may get lucky and these bad boys just bolt right on..... if it was me, id have gone for a top brand off the shelf BBK that was deisgned to fit our car.... they are a pain enough to fit anyway never mind fitting something that was never designed for the car..... Also the Ap 6 pot is very light... quite abit lighter than the stock caliper, you may well be adding weight on each corner here.

well done for trying though... keep it and and keep the pics coming.... with all this stopping power you better have the vt1 under the hood....

[Z4-VILLA]

Originally Posted by Beedub

those better not be your shoes barney...... fo Realll.....

btw i like the upgrade BUT.... BUT... are you aware that Ap, Brembo, stoptech, alcon and the likes spent huge amount of time getting the piston sizes to match so you still get a nice pedal ect ect....

that said you may get lucky and these bad boys just bolt right on..... if it was me, id have gone for a top brand off the shelf BBK that was deisgned to fit our car.... they are a pain enough to fit anyway never mind fitting something that was never designed for the car..... Also the Ap 6 pot is very light... quite abit lighter than the stock caliper, you may well be adding weight on each corner here.

well done for trying though... keep it and and keep the pics coming.... with all this stopping power you better have the vt1 under the hood....

I'm still gonna try this