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M3 Track: Racing and DE Best mod for speed is learning to get the most out of what you currently have. Tracks and DE's is the place to start!


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Old Thu, Apr-01-2010, 07:43:49 PM   #1
MJMM3
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Default Brake pad/fluid recomendations for e92?

Based on comments on another thread I am toying with a modest upgrade to deal with possible brake fade for my upcoming track day at Mid-Ohio. My car is primarily used for commuting and an aggressive, noisy pad that generates lots of paint destroying dust is not on my wish list.

I had Porterfield racing pads on my Miata and they screeched and moaned every time I touched the brake and the dust destroyed the paint. So are there any track friendly pads that will do the job but are less harsh?

And I assume that going to any pad other than stock voids the 4 year warranty on the discs, no? The dealer has assured me that they will replace the brakes, no matter how many times I trash them at the track, if kept stock. (I admit to be skeptical here but who knows?)

I have used Motul 600 brake fluid in my Evo with success. Any reason not to on the M3. What effect, if any, on the warranty there?

Mike
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Old Thu, Apr-01-2010, 08:05:30 PM   #2
jrf m3
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my buddy destroyed pagid yellows and ferodo 2500s with his e90 sedan at Pacific Raceways (main straight 220 kph)

not sure that pads alone are the answer on this car but hopefully jacy will contribute as he tracks his e90
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Old Thu, Apr-01-2010, 10:47:32 PM   #3
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Porterfield R4's are actually a very rotor and wheel finish friendly track pad.

I'm using them up front, and Pagid Yellows in the rear with good results.
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Old Thu, Apr-01-2010, 11:40:27 PM   #4
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I don't think you can avoid noise and dust with a good track pad, although the properties of the dust can vary a lot. I've had good luck with the Pagid 29s on the GT3. Weight plus speed = lots of heat, so you may need to alter your driving style a bit to accommodate the braking capacity. But the good news, the prize money is the same regardless of lap time, so don't make yourself crazy trying to get every last foot of brake zone under full throttle. It's a very competent car and should be a lot of fun!
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Old Wed, Apr-07-2010, 03:57:50 PM   #5
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Default Brake Upgrade for Track

I had decent success with my E93 last year and the following upgrades:

Ferodo DS2500 pads
Stoptech SS Lines
Motul RBF 600 Fluid

I still had mild deposits after one very hot day at Blackhawk Farms, but generally this setup works fine for street and track.

I do have some noise now from the front pads, but it will be time to change them out soon. I will be going back to stock as I have moved to a dedicated track car.

The stock pads are in no way sufficient, EVERYONE I know that took their car out with stock pads (including me) deposited rotors beyond the point of repair.
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Old Thu, Apr-08-2010, 10:41:06 PM   #6
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Quote:
Originally Posted by MJMM3 View Post
Based on comments on another thread I am toying with a modest upgrade to deal with possible brake fade for my upcoming track day at Mid-Ohio. My car is primarily used for commuting and an aggressive, noisy pad that generates lots of paint destroying dust is not on my wish list.

I had Porterfield racing pads on my Miata and they screeched and moaned every time I touched the brake and the dust destroyed the paint. So are there any track friendly pads that will do the job but are less harsh?

And I assume that going to any pad other than stock voids the 4 year warranty on the discs, no? The dealer has assured me that they will replace the brakes, no matter how many times I trash them at the track, if kept stock. (I admit to be skeptical here but who knows?)

I have used Motul 600 brake fluid in my Evo with success. Any reason not to on the M3. What effect, if any, on the warranty there?

Mike

Motul RBF600 Brake Fluid should be fine for your M3. I have used it on my personal E46 M3 with great success. Just remember that the higher-end brake fluids like Motul, ATE, Castrol SRF, and etc are all hydroscopic. They WANT to absorp moisture every chance it gets. Fluid put in today and that same fluid three months down the line will be different. The dry boiling point will be significantly reduced from this phenomenon. Hence, the real important number when looking at brake fluid specs is the wet boiling point figure!

But no warranty issue - so go for it!

As for the pads, I've used Carbotech pads with great success as well (in a BMW and in a SCCA CSP Miata). Non-corrosive dust, but it'll squeal like hell for street use. But I've found them to be great on the track with an insane amount of modulation feedback - great for those trail braking situations.
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Discussing Brake pad/fluid recomendations for e92? in the M3 Track: Racing and DE Forum - Best mod for speed is learning to get the most out of what you currently have. Tracks and DE's is the place to start! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)