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      06-10-2015, 07:23 AM   #1
yangin
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motul 660 rbf

Hey guys will this product work on my e92 m3? Also how many litres will i need?

http://www.amazon.com/gp/aw/d/B004LF...y1L&ref=plSrch

Or do you have other recommendations for steet/track use?
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      06-10-2015, 09:57 AM   #2
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Quote:
Originally Posted by yangin View Post
Hey guys will this product work on my e92 m3? Also how many litres will i need?

http://www.amazon.com/gp/aw/d/B004LF...y1L&ref=plSrch

Or do you have other recommendations for steet/track use?
A liter (two 500ml bottles) for the first full flush. 500ml for any bleeds or such. If you're going with RBF600, get 3 bottles to be safe. Store the third bottle as a spare (unopened). Alternately, if you could, get the Castrol SRF and call it a day. 1 full liter bottle and you're in business. Firm pedal year long.

Cheers,

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      06-10-2015, 10:41 AM   #3
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Quote:
Originally Posted by lutfy View Post
A liter (two 500ml bottles) for the first full flush. 500ml for any bleeds or such. If you're going with RBF600, get 3 bottles to be safe. Store the third bottle as a spare (unopened). Alternately, if you could, get the Castrol SRF and call it a day. 1 full liter bottle and you're in business. Firm pedal year long.

Cheers,

Lutfy

I run RBF600 and you will need 3. I am planning on making the switch to Castrol SRF as well
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      06-10-2015, 12:42 PM   #4
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Quote:
Originally Posted by yangin View Post
Hey guys will this product work on my e92 m3? Also how many litres will i need?

http://www.amazon.com/gp/aw/d/B004LF...y1L&ref=plSrch

Or do you have other recommendations for steet/track use?
RBF660 is Motul's ultra-high performance fluid for the track. It will work on the street but it's overkill. It's longevity is probably limited and you will likely end needing to flush much more frequently compared to something like BMW DOT 4.

It will all depend on what you're using the car for. For street driving the OEM DOT 4 is fine. Next step up is something like ATE Type 200. If you need more heat-resistance for the track then RBF600 is a logical next step. Or, as Lutfy says, just flush once with SRF and be done with it until the next year.
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      06-10-2015, 01:55 PM   #5
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I use 2 bottles of 660 for every flush. I do it about every 3 months depending on # of track days. I use a turkey baster to empty the reservoir, refill and then do the calipers. Two bottles is plenty to get a nice purge from all 8 bleeders.
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      06-10-2015, 05:23 PM   #6
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Ok so seems castrol srf is the go. Is this ok for the occassional track day? Oem got spongy real quick..

What i dont get is why do i need a litre compared with 3 bottles of the motul?
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      06-10-2015, 06:02 PM   #7
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Quote:
Originally Posted by yangin View Post
Ok so seems castrol srf is the go. Is this ok for the occassional track day? Oem got spongy real quick..

What i dont get is why do i need a litre compared with 3 bottles of the motul?
Two bottles (1L) is enough for the brakes -- having a third bottle is to be safe if you overshoot. SRF is great for track days. Some hardcore racers feel like its recovery characteristics lead to subsequent suboptimal feel, but The average mortal won't be driving the car to those limits.
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      06-10-2015, 06:16 PM   #8
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SRF is all about the wet boiling point. If you flush frequently there is no benefit of SRF over 660. It never gets wet.
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      06-10-2015, 07:02 PM   #9
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SRF is the best street fluid you can use because of the high wet boiling temps.

Motul RBF is ok for occasional track use but will require frequent bleeds if you're hard on the brakes.

For track, the new Torque fluid is very good and has better properties than most.

Here is a comparison:
http://torquebrakefluid.com/compare_...ke_fluids.html

Personally I am running Project Mu G-Four in my car. Work great and cheaper than SRF or Torque and higher wet and dry boiling point than any RBF.
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      06-10-2015, 07:40 PM   #10
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I'd go with SRF on stock brakes. SRF comes back after you boil it. Motul 660 and 600 does not...will need to bleed it.

Either way, 2 bottles of SRF or 3 bottles of Motul...especially if you have a manual.
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      06-10-2015, 08:57 PM   #11
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Ok thanks guys will go with the Castrol. I dont want to be bleeding too often as I dont do it myself, I pay a shop.
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      06-11-2015, 08:17 PM   #12
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Quote:
Originally Posted by yangin
Ok thanks guys will go with the Castrol. I dont want to be bleeding too often as I dont do it myself, I pay a shop.
Makes even more sense to go with Castrol.
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      06-13-2015, 01:09 PM   #13
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Motul RBF660 is certainly compatible with the E92 M3, but as others have mentioned, we also found that it required more frequent flushes. We recently made the switch to the Brembo Racing LCF600 Plus for our street/HPDE/TT drivers and HTC64T for our club race/endurance race drivers.

In comparison to other great fluids on the market, we found these two to have better boil recovery than their respective competitors.

None the less, all of the fluids mentioned in this thread offer good results! Best of luck with your search.
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      06-13-2015, 02:43 PM   #14
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Quote:
Originally Posted by Performance Eurowerks View Post
Motul RBF660 is certainly compatible with the E92 M3, but as others have mentioned, we also found that it required more frequent flushes. We recently made the switch to the Brembo Racing LCF600 Plus for our street/HPDE/TT drivers and HTC64T for our club race/endurance race drivers.

In comparison to other great fluids on the market, we found these two to have better boil recovery than their respective competitors.

None the less, all of the fluids mentioned in this thread offer good results! Best of luck with your search.
Trying to decide between Castrol SRF and Brembo LCF 600+ for my Brembo GT system. Car will be mostly street driven with 4-6 track events a year. Looking for something I don't have to flush often. I would prefer the Brembo fluid if it would meet these requirements.
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      06-13-2015, 05:23 PM   #15
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Quote:
Originally Posted by Hujan View Post
Trying to decide between Castrol SRF and Brembo LCF 600+ for my Brembo GT system. Car will be mostly street driven with 4-6 track events a year. Looking for something I don't have to flush often. I would prefer the Brembo fluid if it would meet these requirements.
For a predominantly street driven E92 M3 with a handful of track events a year, the Brembo LCF600 Plus will work very well! Majority of clients utilize their street/track cars the same way. Even our in-house project cars use LCF600 Plus that see more than 10 track days a year.

Castrol SRF is an amazing fluid and works exactly as advertised. The Brembo Racing HTC64T is more comparable to the Castrol SRF.

We offer all three pending what our clients need. Let us know if we can help you out!
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      06-14-2015, 02:21 AM   #16
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Quote:
Originally Posted by Performance Eurowerks View Post
For a predominantly street driven E92 M3 with a handful of track events a year, the Brembo LCF600 Plus will work very well! Majority of clients utilize their street/track cars the same way. Even our in-house project cars use LCF600 Plus that see more than 10 track days a year.

Castrol SRF is an amazing fluid and works exactly as advertised. The Brembo Racing HTC64T is more comparable to the Castrol SRF.

We offer all three pending what our clients need. Let us know if we can help you out!
Thanks for the info. I'm curious what made you choose the Brembo LCF600+ over the Castrol SRF. Are you able to provide a comparison between the two? Mostly I'm curious whether the Brembo fluid can go 6-12 months without flushes while still performing well.
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      06-15-2015, 02:36 PM   #17
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I used to run Motul 660 in my race bike, and it made quite huge difference in brake fading compared to other fluids.
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      06-16-2015, 07:44 AM   #18
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Originally Posted by 12v_dub View Post
I used to run Motul 660 in my race bike, and it made quite huge difference in brake fading compared to other fluids.
I would consider the 660 but am worried about the regular flushes. Will try the castrol, just got a bottle and report back.
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      06-23-2015, 11:50 AM   #19
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I've heard more than one recommendation for Elf 650 recently. Comes in a blue plastic liter bottle.

I definitely will be upgrading to something heavier duty next time I flush, I have a lot of Motul 600 and that's what's in the car now so next time I bleed it'd be stupid not to use it, but I have experienced some fluid fade, which is the first time I've ever experienced it with Motul 600. This car makes a lot of brake heat. I've not tried the 660.
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      06-23-2015, 12:00 PM   #20
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Quote:
Originally Posted by bigjae1976 View Post
I'd go with SRF on stock brakes. SRF comes back after you boil it. Motul 660 and 600 does not...will need to bleed it.

Either way, 2 bottles of SRF or 3 bottles of Motul...especially if you have a manual.
What he said
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      06-23-2015, 08:30 PM   #21
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Quote:
Originally Posted by Richbot
I've heard more than one recommendation for Elf 650 recently. Comes in a blue plastic liter bottle.

I definitely will be upgrading to something heavier duty next time I flush, I have a lot of Motul 600 and that's what's in the car now so next time I bleed it'd be stupid not to use it, but I have experienced some fluid fade, which is the first time I've ever experienced it with Motul 600. This car makes a lot of brake heat. I've not tried the 660.
I've used 660. It faded and died just like 600. I think it's a waste of money. It's not like the boiling points are so much higher. If you're in the neighborhood of 600's boiling point, you'll probably boil or at least degrade 660 to the point where if feels like you're stepping on a woodie cushion.

At least SRF can survive 18 months of abuse despite similar specs. It came out super dirty...but still felt pretty good. That's why SRF is worth the $$$.
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      06-23-2015, 09:14 PM   #22
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I used 600 most recently after SRF because I needed something and it was there. Never buying it again. One event was good. Second event I spent more time working on my car than fucking driving. Amazon just sent me SRF. Can't wait to flush the Motul crap out.
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