Brake Pad Thread, for 345mm M5 & CSi floating disks and 324mm e32 4-pot calipers - Page 7 - BMW M5 Forum and M6 Forums
E34 M5 Discussion 1988-1995 Sedan and Touring

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post #61 of 169 Old 4th June 2008, 05:58 PM
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post #62 of 169 Old 4th June 2008, 05:59 PM
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a less expensive option than the late 3.8 brakes is using 840 calipers and rotors, the calipers are 4 piston units made by brembo. The rotors are a little bigger, i want to say 324mm, but that's from memory. There was a pair of these calipers on ebay that sold for over $700! (i checked with my friend at my local dealership parts dept and found i could buy them brand new for just a bit more than that).
There are a set on ebay.co.uk right now, but the shipping would probably make them more expensive than buying new.

the later 3.8 4 piston calipers are quite expensive new.

Mike

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post #63 of 169 Old 4th June 2008, 09:46 PM
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How many pistons are my current calipers?

Looks like I might just end up buying some Zimmerman Slotted/Drilled rotors, some Hawk pads, and stainless steel brake lines with some nice brake fluid and call it done.

Might not be worth my while to got hrough all the trouble, the M5 stops well enough as it is.

What about e32 750 calipers/rotors? Will they work?

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post #64 of 169 Old 4th June 2008, 10:15 PM
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post #65 of 169 Old 4th June 2008, 11:28 PM
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Quote:
Originally Posted by bmwm5lover View Post
How many pistons are my current calipers?

Looks like I might just end up buying some Zimmerman Slotted/Drilled rotors, some Hawk pads, and stainless steel brake lines with some nice brake fluid and call it done.

Might not be worth my while to got hrough all the trouble, the M5 stops well enough as it is.

What about e32 750 calipers/rotors? Will they work?
a 3.6 has a single piston caliper. I agree that they work pretty well for street use. My e39 has a stoptech bbk, and the e34 has much better brake feel stock than the e39 can ever hope to have.

Mike

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94 M5 Touring Madeira Schwarz, Black 10/93 production
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post #66 of 169 Old 5th June 2008, 02:12 AM
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I have a 92 3.8 and I waited untill a pair of calipers came up for sale then bought, painted and fitted them to my car. After discussions with darren from DARJAC it was recommended to put new rotors and pads into the second hand calipers. When I was looking around I only found the 850 had the larger rotos with the four pot caliper not the 840. I hope this helps
andy
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post #67 of 169 Old 9th June 2008, 11:15 AM
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Quote:
Originally Posted by GoneAgain View Post
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.
I am bringing this thread back from the dead, since I am researching brakepads for my Touring, I am not happy with the OEM pads. Also the Touring is getting Goodridge brake hoses...

How were the FCP646H pads on the Ring? Do you feel that the 1 cm missing on the pad is an issue when braking?

Not to be a party-pooper, but isn't FCP857 / FDS857 the correct part number from Ferodo?!

Have a look here:
http://www.elcome.co.uk/fmecat/fsp/C....asp?pn=FCP857
Just change the part number at the end, and you can easily compare the pads! The 578-pad is for a bunch of BMWs...

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post #68 of 169 Old 10th June 2008, 11:27 PM
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Just to confirm.
If I was to use the 750 4 pot(piston) calipers on my 3.6 M5, do I use the 324mm rotors or the 345mm rotors?

His--'00 BMW ///M5 .:Jet BLK/BLK:.Individual-Style 65 Wheels; 9.5" Square Set up;275 Tires;Spacers;Black Kidneys;Muffler Delete; 3.5" Dual Tips; Beast Power; "Dinan" Ducts; E60 SSK; BC Coils *love*
Hers--'07 BMW M5/6.:Indianapolis Red/Black:.
Toys
'91 BMW 850i J Spec-ST Tuning Kit- Lowered-Wokke Chips- Custom Exhaust- 18" MK1's-KN Filters+ M Steering Wheel- Stereo Upgrade +++
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post #69 of 169 Old 10th June 2008, 11:30 PM
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Just to confirm.
If I was to use the e32 750 4 pot(piston) calipers on my 3.6 M5, do I use the 324mm rotors or the 345mm rotors?

His--'00 BMW ///M5 .:Jet BLK/BLK:.Individual-Style 65 Wheels; 9.5" Square Set up;275 Tires;Spacers;Black Kidneys;Muffler Delete; 3.5" Dual Tips; Beast Power; "Dinan" Ducts; E60 SSK; BC Coils *love*
Hers--'07 BMW M5/6.:Indianapolis Red/Black:.
Toys
'91 BMW 850i J Spec-ST Tuning Kit- Lowered-Wokke Chips- Custom Exhaust- 18" MK1's-KN Filters+ M Steering Wheel- Stereo Upgrade +++
'88 BMW 635CSi
'81 MB 500 SEC Koenig
88 BMW 750iL
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post #70 of 169 Old 11th June 2008, 12:36 AM
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Quote:
Originally Posted by bmwm5lover View Post
Just to confirm.
If I was to use the 750 4 pot(piston) calipers on my 3.6 M5, do I use the 324mm rotors or the 345mm rotors?
Original 750 324mm rotors.

Kind regards,
Tobias

Last edited by Chewbacca; 11th June 2008 at 12:37 AM.
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