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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 01-11-2020, 05:08 AM
bmwe36320i bmwe36320i is offline
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Bmw E-36 Brakes

Hi everyone:

I am new to this forum and I need the most specialized help. I intend to improve the brakes of a BMW e-36 M-3 (currently it has those of origin) for 24-hour races. The condition is that I can only put brakes that have been manufactured in other models of origin for BMW and also that fit directly into the sleeve without modifying brackets. And also with a rim diameter of 16 ". The only Bmw that have 4-piston brake calipers that could have bmw are:
Bmw E31 850Csi ref. 3411222715/6
Bmw E31 840Ci ref. 34111161177/8
Bmw E38 730i ref. 34111163757/8
Bmw E24 (M6, M635Csi) and E28 M5 ref. 34112225002/3
Bmw E34 M5 3.8 ref. 34112227115/6
The idea is to keep the 16 "rim with separate core discs and to be able to mount some of those original references of 4-piston calipers but without modifying the screw-in original supports.
Thank you very much and I await your comments.
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  #2  
Old 01-11-2020, 05:50 AM
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hornhospital hornhospital is offline
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Welcome to Bimmerfest!

I defer comment to the guys here that have done such swaps. The 16" wheel limit is what makes this difficult.
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Last edited by hornhospital; 01-12-2020 at 06:22 PM.
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Old 01-11-2020, 08:22 AM
propchef propchef is offline
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OP, I suggest you head over to m3forum.net and ask there. That is an active M3 forum.

You won’t find anything BMW that fits those specs, and the Porsche 4pots require a different bracket and some grinding (depending on wheels).

The stock brakes are excellent. There are some ventilation mods that will help with cooling and longevity.

My friend campaigned a non-M e36 in the 24 Hours of Lemons for a number of years. He’s GinsuTim on M3F.


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Old 01-12-2020, 06:46 AM
M-technik-3 M-technik-3 is offline
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We campaigned a non m3 lemon as well, the fact is not many wheels clear E36 M3 brakes in 16"'s and ones that do are too pricey. Run 17's and be done with it you get better tire choice and brake choices unless you are limited by class, then I would look at what E30 M3 races run. AP's.
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Old 01-13-2020, 05:18 PM
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ZeGerman ZeGerman is offline
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How does your M3 currently fit 16" wheels? The factory M3 brakes are already to big to accommodate 16" wheels, except for one specific wheel model that I'm aware of.

But to get right to the point, just keep the factory calipers and install endurance race pads and high temp fluid. Replace the rubber guides with brass or bronze guides if you are allowed to. Install titanium heat shields between the back of the pad and the caliper piston to protect the boot and seal of the factory calipers from the heat generated in a race setting. Install race air ducts for increased cooling.

If you do the above, you'll be fine with the factory brakes.
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Last edited by ZeGerman; 01-13-2020 at 05:20 PM.
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Old 01-13-2020, 07:12 PM
M-technik-3 M-technik-3 is offline
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Numerous wheels in this thread https://www.r3vlimited.com/board/for...6m3-5-lug-swap

But why bother you won't get the width needed for decent sized tires. Edit, the E23 also had 4 piston front brakes as well.

Last edited by M-technik-3; 01-13-2020 at 07:40 PM.
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Old 01-14-2020, 04:37 AM
bmwe36320i bmwe36320i is offline
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E36 Options Brakes

Thanks for the response, I carry racing air ducts to cool the brakes, racing fluid, resistance pads and floating discs. the question is if with my tire when having another ET could put Aluminum calipers 4 pistons of another bmw plug and play since the regulation does not allow to modify supports.
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Old 01-20-2020, 09:57 AM
bluptgm3 bluptgm3 is offline
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A four or six ‘pot’ calipers may require more fluid volume....larger master cylinder.


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