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  #1 (permalink)  
Old Mar 23rd, 2014, 11:41 PM
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break upgrade help needed

right i have just upgraded the wheels on my cooper to 17" and wanted to attack
the calipers and discs next - can anyone suggest what size discs and calipers to use?
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Old Mar 24th, 2014, 10:01 AM
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Put JCW Brembo's on it, but theyre about £2000 a set.
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Old Mar 24th, 2014, 11:26 AM
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If it is a second generation Cooper (R56) then a very easy upgrade is to switch from 280mm Cooper discs to 294mm Cooper S discs. These use exactly the same brake calliper and so you don't even need to touch the hydraulics. It needs:
- Cooper S discs;
- Cooper S pads;
- calliper carriers/brackets for a Cooper S (about £70 each from a dealer);
- possibly, brake wear sensor.

Fitting is no more work than swapping pads and discs.

This improves the braking from mediocre to decent. Clearly it doesn;t look very different, so if it's actually looks, not braking, you're after, then this isn't for you.

If it is a first generation Cooper, I can't comment.
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Old Mar 25th, 2014, 01:08 PM
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DIY Does any1?????

Does any company offer braided brake lines like I had on my Kawasaki ZX7rr ?

That would really make a noticeable difference also.
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Old Mar 25th, 2014, 02:37 PM
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Quote: Originally Posted by Mini_drive (original)
That would really make a noticeable difference also.

Do you mean a noticeable psychological difference or a noticeable appearance difference?

Braided brake hoses do not make brakes any more effective at stopping a vehicle, however much the driver thinks they do - that is just a psychological effect ("they are shiny and fashionable, so I will tell myself they work"). Standard/OEM brake hoses are braided - it's just that the braiding is not on the outside of the hose.

What braided hoses can do, and there is no guarantee that they will, is slightly improve the firmness of the brake pedal by expanding less than OEM ones under pressure.

I lived through the braided hose fashion nonsense on motorcycles and eventually saw a magazine article that used a brake hose tester to measure the hose expansion under pressure. This showed that cheap braided hoses were often less good than OEM ones, while good braided ones were better, though by a small amount.
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Old Mar 26th, 2014, 12:45 AM
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Quote: Originally Posted by Angib (original)
If it is a second generation Cooper (R56) then a very easy upgrade is to switch from 280mm Cooper discs to 294mm Cooper S discs. These use exactly the same brake calliper and so you don't even need to touch the hydraulics. It needs:
- Cooper S discs;
- Cooper S pads;
- calliper carriers/brackets for a Cooper S (about £70 each from a dealer);
- possibly, brake wear sensor.

Fitting is no more work than swapping pads and discs.

This improves the braking from mediocre to decent. Clearly it doesn;t look very different, so if it's actually looks, not braking, you're after, then this isn't for you.

If it is a first generation Cooper, I can't comment.

Its 54 PLATE cooper...1.6 is all. and as i cant do much in terms of power i want to improve braking and cornering...so bigger discs/calipers is first...any ideas...and less than 2grand would be good!!
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Old Mar 30th, 2014, 08:31 PM
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any help would be good...

i have fitted 17" wheels and need advice on caliper/disc upgrade
what size discs should i use and would jcw calipers do? also is there a kit i need to get to fit the jcw calipers? would i need wheel spacers...bit worried bout this bit as tyres are 205's so any wider would stick out from wheel arches
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