Brake Pad Thread, for 345mm M5 & CSi floating disks and 324mm e32 4-pot calipers - Page 4 - BMW M5 Forum and M6 Forums
E34 M5 Discussion 1988-1995 Sedan and Touring

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Old 5th December 2006, 03:59 PM Thread Starter
Stevie
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The brakes on Reitse's car are retrofit. B10 4.0 and 4.6 used standard 540i brakes and B10BT Lucas brakes respectively.
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Old 5th December 2006, 04:52 PM
BURTON
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Would like better on the rear to go with the big fronts I have..

Remember you can't race your house, you can sleep in your car!

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Old 7th December 2006, 04:56 PM
Andy V8
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Quote:
Originally Posted by DaveW
I've just removed my Brembo calipers from the Bi-Turbo after a failed experiment and thought I'd share my findings here in case anyone was considering something similar.

Looking for cheaper ongoing maintenance, Bi-Turbo discs are €290 each, I decided to fit the 4-Pot Brembo calipers/324mm discs from the 840 with DS2500 pads. I ran the car for 2000kms with this setup but was never really happy with the pedal travel nor feel.

I replaced the master cylinder, checked the rear discs were not out of shape (piston kick back etc) and had the brake fluid changed and bled twice by MJF then by Phil Crouch. A pump of the brakes returned the pedal to the top indicating air in the system but it wasn't this. The conclusion is that these calipers are not matched to the E34 and will always have a spongey pedal with long travel.

I've just had Phil replace the original Bi-Turbo calipers with new discs and Mercedes S600 pads and the transformation is very good indeed. Hard pedal at the top of the travel.

So if you guys are thinking of spending upwards of £700 on BMW conversion parts, don't bother as it probably won't work. What's worse, I've just laid out to return to original spec and now have to ebay the other stuff

Cheers,

Dave.
I've change my origin setup to 840 Brembo Caliper and I'm happy about this, fading isn't no more my problem

The pedal feeling was stronger like with origin Brakes especially when you must brake from high speed down but I must change my brake practice, not full stay on brake pedal till stop but make short full brakes – if possible of course
The other advantage was the temperature of my Brake discs, at the last our visit on the NS we have with Dennis drive in this same time exactly in same tempo - really slowly( any in his own car , my 540V8 and Dennis with Alpina B10 ) and after them we measured our Disc temperature and this was a big different my only 80°C and from Dennis 270°C
Maybe Kons can be comment feeling of my Brakes – hi make one Roundtrip with my Car and try to drive in the same style like his own M5

Andy
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Old 12th January 2007, 12:22 AM
Yaninnya
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Quote:
Originally Posted by Andy V8
I've change my origin setup to 840 Brembo Caliper and I'm happy about this, fading isn't no more my problem
Andy
Any problems with the fitting?
Jan

Last edited by Yaninnya; 12th January 2007 at 12:23 AM.
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Old 12th January 2007, 02:07 AM
Andy V8
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Quote:
Originally Posted by Yaninnya
Any problems with the fitting?
Jan
no, it's this same for Mountig but you must drive with 17" Tires
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Old 12th January 2007, 11:25 AM
SteveT
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Mintex

Anyone had any experiences with Mintex as these have been recomended I thought as long as they perform as good as OEM but without the mess and my everyday driving and one third of OEM cost or are they cheap and nasty.
anyone any thoughts or other recommendations welcome cheers Steve

Last edited by SteveT; 12th January 2007 at 11:29 AM.
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Old 12th January 2007, 07:23 PM
Yaninnya
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Quote:
Originally Posted by Andy V8
no, it's this same for Mountig but you must drive with 17" Tires
Cheers for that info. Mine will have 18" soon.
Jan
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Old 6th February 2007, 08:09 PM
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Update on the Ferodo pads.

Picked up a full set of DS2500s for 150quid from circuit supplies.

However the fronts (FCP646H) are about 1cm shallower than original.
They fit the caliper no problem and the pistons do not overlap the bottom of the pad. But just how less effective will they be. i figure they will still be better than OEM! Will have them fitted before ring trip.

The rears (FCP578H) are spot on.
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Old 9th February 2007, 04:32 AM
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Porterfield Brake Pads and Rotors have been working great for me. I am running the e32 Brembos on the Front and the 540 calipers on the rears. - JT
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Old 11th February 2007, 07:45 AM
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Quote:
Originally Posted by Johntee540
I am running the e32 Brembos on the Front and the 540 calipers on the rears. - JT
My E32 4 pots are ATE.

I thought the Brembos were E31 (also E38?). Do you use an adapter to mount them?
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