Euro S50 and Brake Boosters

[digger]

Thanks, I thought you meant the new delete kits though

[bimmerteck]

any pics? what brake setup you using FR and RR? what M/C sizes?

Even with the delete, and just a master it's a tight fit with an s50b32. It works great though and the feel is great when you get the proper pads for your application and the ratio correct. Both these are running stock e30 325is master cylinders. Mine's running a Massive 300x22 BBK up front and the s50b32 is running M roadster brakes front and rear with a manual proportioning valve.


Untitled by Erik, on Flickr

Untitled by Erik, on Flickr

Untitled by Erik, on Flickr

[Eric]

Car isn't running yet, but the plan is to use e36 M3 brakes. MC is stock 320i touring. I'll comment on the feel when we get there, just stating currently that it fits!


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[digger]

I just installed one of lee's booster delete kits on the swap I'm doing and it fits with ease on both the factory airbox and the hamman style carbon airbox. If you must keep the booster, you can also buy carbon airbox's with a little bit moved over to aid in clearing the booster.


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any pics? what brake setup you using FR and RR? what M/C sizes?

[Eric]

I just installed one of lee's booster delete kits on the swap I'm doing and it fits with ease on both the factory airbox and the hamman style carbon airbox. If you must keep the booster, you can also buy carbon airbox's with a little bit moved over to aid in clearing the booster.


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[Z2TT]

Hi guys yes I now this is a old thread but I am wondering if anybody ended up finding a definitive vacuum booster option and master combo that clears the S50B32 euro intake without needing to relocate it to the right more, and that also offers good assist.

The closest I could see is that a 924 Booster with E30 MC fits but slightly rubs on the intake boot, which is OK - but Mike said it would feel like hitting a brick wall in terms of assist.

just wondering if anybody has tried it. or found another solution (vacuum assisted) that works.

I'm not really ready to put my e23 hydrualic setup yet and prefer to find a vacuum assisted solution that will work.

Thanks

[Z2TT]

Hi guys yes I now this is a old thread but I am wondering if anybody ended up finding a definitive vacuum booster option and master combo that clears the S50B32 euro intake without needing to relocate it to the right more, and that also offers good assist.

The closest I could see is that a 924 Booster with E30 MC fits but slightly rubs on the intake boot, which is OK - but Mike said it would feel like hitting a brick wall in terms of assist.

just wondering if anybody has tried it. or found another solution (vacuum assisted) that works.

I'm not really ready to put my e23 hydrualic setup yet and prefer to find a vacuum assisted solution that will work.

Thanks

[Z2TT]

Hi guys yes I now this is a old thread but I am wondering if anybody ended up finding a definitive vacuum booster option and master combo that clears the S50B32 euro intake without needing to relocate it to the right more, and that also offers good assist.

The closest I could see is that a 924 Booster with E30 MC fits but slightly rubs on the intake boot, which is OK - but Mike said it would feel like hitting a brick wall in terms of assist.

just wondering if anybody has tried it. or found another solution (vacuum assisted) that works.

I'm not really ready to put my e23 hydrualic setup yet and prefer to find a vacuum assisted solution that will work.

Thanks

[Taper]

i think this M/C works well with your's BBK

[Massive Lee]

Raise the pick-up point for the rod to the booster/MC. Raise by the same distance the MC. About 1/3 the current distance. Also reinforce the stem.

[Taper]

agreed. if you go booster-less, you will need to change the pedal pickup point. ~4:1 is stock with the booster, ~6:1 manual brakes. i have a tilton pedal assembly that is 6.25:1 with dual masters. works very well. cheers, jason

What's the way to change the ratio of the brake pedal?¿

[Jason89i]

Taper, did you change the pedal ratio for the manual masters??? You have any pics of your setup?

agreed. if you go booster-less, you will need to change the pedal pickup point. ~4:1 is stock with the booster, ~6:1 manual brakes. i have a tilton pedal assembly that is 6.25:1 with dual masters. works very well. cheers, jason

[BeirBrennerE30]

Taper, did you change the pedal ratio for the manual masters??? You have any pics of your setup?

[Taper]

Jason I ride the Mike's B M/C.

This:

http://www.cncbrakes.com/mc.asp?grp=mc&subgrp=dcsb&series=717&subseries=

but I don't know what's the diameter 5/8", 3/4" or 7/8"


I hope that next week I receive the BBK from Lee to try another time this M/C

[Jason89i]

Today I ride my M3 with your M/C and the car brake less than my sister's brakeless bike :-?


I run oem pads, discs and calipers at 70% of life.


I can't lock the wheels in gravel and I run the car in tarmac and I almost injuried my quadriceps to obtain the same deceleration of this guy

What's up with this M/C??¿

what diameter of master? if pedal effort is too great, you need a smaller diam master.

I have tried most of the asians and found that none work due to volume. the asian masters are 5mm shorter in travel distance. so, if get the diameter right, the pedal will feel like a stock m3. unfortunately you run the risk of bottoming out the master. see page 6 for the comparisons of masters.

stock m3 master has roughly 35mm of travel.
asian masters have roughly 30mm of travel.

i could get the asians to work "ok" on the street. but with track pads, the masters either did not pump enough volume or the pedal was way too stiff.

cheers, jason