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F80 M3 (Sedan) / F82 M4 (Coupe) / F83 M4 (Convertible) : (2015-TBD) Discuss the 5th Generation M3


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Old Sun, Dec-04-2016, 05:23:42 PM   #31
nasieg
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Default Re: Ceramic brakes and track days?

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I am surprised you did not know the difference in these brake fluids for how many track days you do. The one thing you want to make sure is absolutely 100% solid on the track is your brakes. RBF600 has a dry boiling point almost 80 degrees higher than 5.1 and 660 is over 100 degrees higher. I don't know anyone who runs 5.1 fluid on track. Either the guy at the race shop is new or they were trying to clear it out and that is a dangerous recommendation if you were have heat issues with RBF600. Be careful out there running that fluid.

I am sure you have to be a decent driver on the track by now with all the seat time, but do you typically drag the brakes? (I am just trying to figure out how you are cooking RBF600 fluid with good sized brakes for the weight of that car.) Or do you apply the brakes too early? If you have already had a good race instructor go over that stuff with you and it truly is the car (strange, but possible) definitely get some air ducting to the front brakes, more aggressive pads for the rear, and get RBF660. If that doesn't fix it, I don't know what to tell you. Do other guys with the same car seem to have the same problems?

I agree with you that the Huracan should be a much better car, but you must really love your Lambos. If you are having issues with your brakes, why don't you get a more track focused car? Like a GT3, 488, 458, Z06, GT350R, etc?



Good points. I like that the ceramics really reduce the unsprung weight significantly, but the disadvantages seem to greatly outweigh the advantages, even if money were no object (which, of course, it always is to some degree).
Yeah you really don't see a lot of Lambo's at track events. For the money there are way better cars like GO SENNA suggested. I think right now the 991 GT3 is probably the best car you can get in that price range or a Z06 if you don't want to spend that sort of money.

One more thing on the Ceramics. Based on what I know I would only go for Ceramic brakes in two cases. Either if I had money to burn, or if I was leasing a car for 2-3 years and wanted to track it, say 5 times a year. That way it would not wear them out before I turned the car in and I get the best of both worlds. In both those cases it would make sense, but otherwise, pass on them!
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Old Mon, Dec-05-2016, 05:20:18 PM   #32
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Default Re: Ceramic brakes and track days?

Now you guys got me all excited talking about track days I got off topic a bit. Which reminds me, for those of you who use ceramic rotors- what brake pads do you use? Do you have to stick to factory pads? I would imagine a more aggressive pad like dedicated track pads would screw up the rotors. Would aggressive Carbotech pads work since they are ceramic?
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Old Mon, Dec-05-2016, 05:27:35 PM   #33
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Default Re: Ceramic brakes and track days?

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Are the factory wheel studs weak or are you assuming slightly longer wheel studs would help with keeping the inside of the wheel off of the rotors when mounting and dismounting?
BMWs do not come with studs, they use bolts.

If you install studs, it is no longer likely you'll hit the rotor which changing tires
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Old Tue, Dec-13-2016, 05:14:50 PM   #34
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Default Re: Ceramic brakes and track days?

So for those of you who use Carbon Ceramic brakes on the track- what brake pads do you use? Do you have to use the factory pads or can you upgrade to a dedicated track pad without tearing the rotors to shreds?
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Discussing Ceramic brakes and track days? in the F80 M3 (Sedan) / F82 M4 (Coupe) / F83 M4 (Convertible) : (2015-TBD) Forum - Discuss the 5th Generation M3 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)