E46 BMW Social Directory E46 FAQ 3-Series Discussion Forums BMW Photo Gallery BMW 3-Series Technical Information E46 Fanatics - The Ultimate BMW Resource BMW Vendors General E46 Forum The Tire Rack's Tire Wheel Forum Forced Induction Forum The Off-Topic The E46 BMW Showroom For Sale, For Trade or Wanting to Buy

Welcome to the E46Fanatics forums. E46Fanatics is the premiere website for BMW 3 series owners around the world with interactive forums, a geographical enthusiast directory, photo galleries, and technical information for BMW enthusiasts.

You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!

If you have any problems with the registration process or your account login, please contact contact us.

Go Back   E46Fanatics > Tuning & Tech > Suspension & Braking

Suspension & Braking
Have some questions about suspension or brake setups for your E46 BMW? Get all your answers here!

Reply
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 10-15-2010, 02:56 PM   #1
Phantoms69
Registered User
 
Join Date: Jan 2010
Location: Arizona
Posts: 82
My Ride: 330ci
What is the best brake fluid to use?

This might be a bit late to ask, but what would be the best brake fluid to use in my 2003 330ci? I am replacing the brakes this weekend so hopefully the fluid is one I can get from a local source. I see in the manual that DOT 4 is recommended. I did a search on the forums here but didn't find the answer just yet, so sorry if I am asking this and the answer is out there. Any help would be appreciated.

Thanks in advance.
Phantoms69 is offline   Reply With Quote
Ads by Google

Guests, get your FREE E46Fanatics.com membership to remove this ad.
Old 10-15-2010, 03:48 PM   #2
AW-M3
Registered User
 
Join Date: Aug 2010
Location: Naugatuck, Ct.
Posts: 73
My Ride: '05 M3 'Vert
ATE super blue. It is a DOT4 with a 536 degree temp rating. There is a blue and orange (I believe). Alternate the colors when you do complete flushes so you can tell when the fluid has been completely evacuated from your brake lines.
__________________
AW-M3 is offline   Reply With Quote
Old 10-15-2010, 04:45 PM   #3
Turd Furgasun
Registered User
 
Join Date: Mar 2010
Location: Oakville, ON
Posts: 38
My Ride: '02 330i Sedan
don't use the super blue... it stains your reservoir. Get the gold ATE.

I just flushed my system with Fuchs 5.1. But really any Dot 4/5.1 fluid will work.

The wet/dry temperature ratings of OEM are equivalent to $3 Prestone.
Turd Furgasun is offline   Reply With Quote
Old 10-15-2010, 04:49 PM   #4
FTWeisse
Registered User
 
Join Date: Aug 2006
Location: Michelle Ryan's Feet
Posts: 2,878
My Ride: has no hip-hop rimz
No.




Motul 600.
__________________
***JEREMY DAVID LEONARD SMITH (1987-2008)***

Last edited by FTWeisse; 10-15-2010 at 04:51 PM.
FTWeisse is offline   Reply With Quote
Old 10-15-2010, 05:12 PM   #5
TrippinBimmer
Registered User
 
Join Date: Jan 2008
Location: Ridgeland, MS
Posts: 5,376
My Ride: ZHP Custom Stage 3.5
Send a message via AIM to TrippinBimmer Send a message via Yahoo to TrippinBimmer
MOTUL RBF600....

-TrippinBimmer
TrippinBimmer is offline   Reply With Quote
Old 10-15-2010, 05:32 PM   #6
ChasCan
Registered User
 
Join Date: Jan 2010
Location: Connecticut
Posts: 1,066
My Ride: 2001 330xi
DOT 5.1 has the highest boiling point wet or dry of any brake fluid out there. DOT 4.0 being the second highest & DOT 3.0 the next. Do not confuse DOT 5.1 with DOT 5.0. 5.0 is silicone based whereas 5.1 is conventional brake fluid. They are not recommended to mix. You can use any conventional brake fluid brand recommended here, just do not mix 5.0 with any other DOT # brake fluid. DOT 5.1 is just the next generation of conventional brake fluid designed to have the highest boiling point of all. If you track your car heavily, this, IMHO, is the best whether or not you achieve the max temp threshold. Chas
ChasCan is offline   Reply With Quote
Old 10-15-2010, 07:25 PM   #7
bigjae1976
Registered User
 
bigjae1976's Avatar
 
Join Date: Dec 2003
Location: Earth
Posts: 11,418
My Ride: A car
Send a message via MSN to bigjae1976
Motul is OK, Castrol SRF is way better. SRF lasts way longer than Motul which means less money and less work over time.

If you are not doing HPDE's...I'd just stick with ATE gold.
bigjae1976 is offline   Reply With Quote
Old 10-16-2010, 12:16 AM   #8
Phantoms69
Registered User
 
Join Date: Jan 2010
Location: Arizona
Posts: 82
My Ride: 330ci
Thanks for all the suggestions. I will see what the local auto stores have and go from there.

Thanks again.
Phantoms69 is offline   Reply With Quote
Old 10-16-2010, 01:19 AM   #9
xi_ter
Registered User
 
Join Date: Nov 2006
Location: Edmonton, Canada
Posts: 2,220
My Ride: 2003 325xi
Alternate between ATE Blue and ATE Gold. That way you know when all the old brake fluid has been bled out.
__________________
xi_ter is offline   Reply With Quote
Old 10-17-2010, 06:50 PM   #10
bigjae1976
Registered User
 
bigjae1976's Avatar
 
Join Date: Dec 2003
Location: Earth
Posts: 11,418
My Ride: A car
Send a message via MSN to bigjae1976
I tried that and the blue fluid turns everything blue and it doesn't really work. In fact, I think it is tell dirty, dark yellow fluid from clear/light gold fluid.
bigjae1976 is offline   Reply With Quote
Old 10-17-2010, 06:52 PM   #11
OrientBlau
Registered User
 
Join Date: Jul 2010
Location: NYC
Posts: 2,453
My Ride: 2003 330i
What are opinions of the DOT4 sold at the dealer.
OrientBlau is offline   Reply With Quote
Old 10-17-2010, 10:36 PM   #12
bigjae1976
Registered User
 
bigjae1976's Avatar
 
Join Date: Dec 2003
Location: Earth
Posts: 11,418
My Ride: A car
Send a message via MSN to bigjae1976
Depends but it should be fine for street use/light track use.
bigjae1976 is offline   Reply With Quote
Old 10-18-2010, 11:03 AM   #13
ECSTuning
Sponsor
 
ECSTuning's Avatar
 
Join Date: Jul 2008
Location: Wadsworth, Ohio
Posts: 5,543
My Ride: BMW
We have an entire section devoted to E46 braking fluid. I am personally running ATE Super blue and have never had an issue.

However we also carry the entire Motul lineup, as well as Pentosin, and OEM.

Click HERE for more information.


Please let us know if you have any questions! Feel free to shoot me a PM or email.

Best,
Joe
__________________

Have questions? Need answers? Live Chat us! 8:30am to 12:00am Midnight EST
sales@ecstuning.com | customerservice@ecstuning.com
Customer Service Hours: M - F 8:00am - 8:00pm EST | Saturday: 10:00am - 7:00pm EST
Sales Team Hours: M - F 8:00am - 11:00pm EST | Saturday: 10:00am - 7:00pm EST | 800.924.5172
Do you love surveys? Click HERE to take our Customer Satisfaction Survey!
ECSTuning is offline   Reply With Quote
Old 10-18-2010, 02:07 PM   #14
teamdfl
Slow in, slower out
 
Join Date: Dec 1969
Location: Awesome, NJ
Posts: 4,504
My Ride: 325it
DOT 3/4/5.1 refers to the wet boiling point of brake fluid. A DOT 3 can have a higher dry boiling point than a DOT 4. For the typical track junkie changing fluid several times a year, the dry boiling point is the critical specification.

For years, Ford DOT 3 heavy duty truck fluid (metal can) had a dry boiling point of about 550F at half the price of typical high performance fluid. Unfortunately, the accountants at Ford decided we were having too much fun for too little money. The new Ford DOT 3 comes in a plastic bottle and has a lower boiling point. For what its worth, The Ford DOT 3 had a higher dry point than their own DOT 4.
__________________
Mod the driver first. Participate in your local BMWCCA driving school. Have you joined BMWCCA yet?

My Track Schedule

The solution to the lack of headroom in the X6

teamdfl is offline   Reply With Quote
Old 10-18-2010, 02:13 PM   #15
mvrk10256
Registered User
 
Join Date: Jul 2009
Location: Austin, Tx
Posts: 3,904
My Ride: E30 325i
Send a message via AIM to mvrk10256
or if you dont track at all get a bottle or two of synthetic Dot3/4 at ur local autozone and flush that **** out. you will be just fine.
__________________
mvrk10256 is offline   Reply With Quote
Old 10-28-2010, 03:34 PM   #16
M-bird
Registered User
 
Join Date: Jan 2004
Location: Estados Unidos
Posts: 112
My Ride: 325i, GULF E30M3!!!
I use Motul 600 RBF in the race car.

For a street car ATE blue or gold is fine, even for light track use.
M-bird is offline   Reply With Quote
Old 10-28-2010, 11:33 PM   #17
SC_TR0JAN_M3
Registered User
 
Join Date: Jan 2008
Location: Bay Area, CA
Posts: 120
My Ride: 2004 BMW M3
ate's a happy medium between getting a higher boiling point and not breaking your wallet like srf or motul. i've used it on and off the track with no issues. when i did use motul, the only thing i gain was a slightly better pedal feel and a lighter wallet.
__________________
2004 CB 6 Speed ///M3
Looking For :: GC Race Sways :: SS Race ::
SC_TR0JAN_M3 is offline   Reply With Quote
Old 10-30-2010, 11:47 AM   #18
Chris__B
Registered User
 
Join Date: May 2010
Location: SoCal
Posts: 30
My Ride: Several
I use AP Racing Formula 5.1 for daily driving and track days. It has great thermal properties and the correct viscosity for ABS valves. Just change it out every two years, just like what is recommended for any other brake fluid.

For dedicated track cars, AP600 racing fluid. For all-out racing with slick and downforce, AP PRF is hard to beat. Just below the boiling point of Castrol SRF, but much better recovery properties.

Chris
Chris__B is offline   Reply With Quote
Old 10-30-2010, 12:33 PM   #19
DangerousMind
Registered User
 
Join Date: Nov 2005
Location: SF Bay area
Posts: 992
My Ride: Sierra 1500 SLT
I alternate between Ate Super Blue and Ate Typ 200 (Gold).
__________________
DangerousMind is offline   Reply With Quote
Old 10-30-2010, 06:35 PM   #20
e46techtuner
Registered User
 
Join Date: Jun 2005
Location: USA
Posts: 714
My Ride: 2000 328i
I use DOT 4 from the dealer. No, problems on street or track. You can alternate from DOT 4 and DOT 3 but DOT 5 is usually silicone based and doesn't mix well with 3 or 4 brake fluid.
__________________
e46techtuner is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Censor is ON





All times are GMT -5. The time now is 06:16 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
(c) 1999 - 2011 performanceIX Inc - privacy policy - terms of use