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10-29-2013, 08:36 AM | #1 |
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Brake Fluid - What are you using
So my brake fluid is low and I need to add some (no idea what is in there). SO, since I have 56k miles, I figured I would just do a bleed and flush anyways with new fluid.
What do you recommend. Use mostly street with a few track days / autoX a year. The car (brake wise) is stock. |
10-29-2013, 08:54 AM | #2 |
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Plenty of good choices: Motul RBF 600/660, StopTech STR 600/660, Endless RF-650, etc. A nod goes to RBF 600 for being a good balance between price and performance.
I don't see any need for the crazy stuff like Castrol React SRF unless you have problems with boiling the fluid very quickly and regularly.
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10-29-2013, 09:01 AM | #3 |
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I used to alternate ATE Typ200 (gold) and Super Blue (blue). However, the blue's gone NLA. Now, I find myself looking for something with similar performance that isn't such a specialized buy (read, can get it on Amazon or something).
I'm due for a flush soon also. So, I too am curious to hear what others have to say |
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10-29-2013, 10:19 AM | #4 | |
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Plenty of Internet-order companies have the SuperBlue in stock. The fluids I listed above actually surpass SuperBlue as far as boiling points. SuperBlue was only popular because it was easy to bleed. From a performance perspective, it wasn't that remarkable. I'm surprised no one has figured out how to sell a standalone dye you can add.
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10-29-2013, 10:21 AM | #5 |
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Drives: BMW M3 | X5 xdrive 35i MSport
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Motul here as well
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10-29-2013, 12:43 PM | #7 |
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How many bottles do I need (ml) (I think 32oz was mentioned in the DIY further down in the thread).
Plan on getting Motul RBF600 from amazong (500ml) so if 32oz is need, need to buy 2 bottles. |
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11-02-2013, 10:08 AM | #8 | |
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It cost more, but you won't have to change it for much loner because the wet boiling point (which is the main number you should be looking at) is MUCH higher than all the others. That means it'll last a lot longer. It's also a larger bottle, so you buy one bottle vs two for most others. If you're not tracking, then ATE will work just fine. NO WAY you can get your brakes that how on the street unless you're being VERY illegal. .
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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11-02-2013, 01:43 PM | #9 | |
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11-03-2013, 12:02 AM | #10 | |
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Regarding color, I'm assuming, perhaps incorrectly, that one could just use blue food coloring in a clear or amber fluid to largely the same effect |
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11-03-2013, 01:15 AM | #11 | |
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At a high-level, yes, blue food coloring does the same thing. I'm not sure I feel comfortable putting food coloring in that system though.
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11-16-2013, 10:12 AM | #13 |
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dealer will install any fluid you want also if you provide it to them.
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11-16-2013, 12:36 PM | #14 |
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Agree. I don't think you'll be able to generate enough heat in the brakes driving around town to see a noticeable improvement from the expensive fluids. BMW DOT4 brake fluid WET BOILING 311*F DRY BOILING 446*F For the record: even ATE Type 200 (aka SuperBlue without the blue), which is on the lower-end of the performance fluid spectrum, has higher wet and dry boiling points.
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11-16-2013, 01:20 PM | #16 |
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what if i was in a sustained evasion of the cops?
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11-16-2013, 01:23 PM | #17 |
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11-16-2013, 01:26 PM | #18 |
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thats how you lose them? being able to run up to an intersection at 100 and mash the brakes and make the turn while they start slowing a block beforehand. do this a few times and your home free, or so i have heard. they have a little advantage in that they have open diffs so dont get sideways nearly as easy. you can counter by shutting off your lights and running stealth mode.
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11-16-2013, 01:53 PM | #19 | |
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11-16-2013, 01:54 PM | #20 |
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you only get away if you dont wad it up.
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11-16-2013, 01:57 PM | #21 | |
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Do that for a couple blocks and all of a sudden there is a bright ass light shining on you from above. Freaking ghetto birds. |
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11-16-2013, 02:36 PM | #22 |
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my dealer stocks ate and uses that at request and i gave them srf to use as well. thats bs.
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