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Bosch ESI6 Extended Service Brake Fluid #4492019
08/18/17 02:24 PM
08/18/17 02:24 PM
Joined: Oct 2005
Posts: 65
Northern California
silverbullet Offline OP
silverbullet  Offline OP
Joined: Oct 2005
Posts: 65
Northern California
Thoughts? Has anybody used it? Saw this on Autozone.

http://www.autozone.com/brake-and-power-...luid/574701_0_0

Re: Bosch ESI6 Extended Service Brake Fluid [Re: silverbullet] #4492024
08/18/17 02:34 PM
08/18/17 02:34 PM
Joined: Dec 2011
Posts: 5,123
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 5,123
North Carolina
Saw it on the shelf at my local store, right next to Pentosin Dot 4 LV.

I don't see why it wouldn't be anything but excellent in service.


"Zed's dead baby, Zed's dead."
Re: Bosch ESI6 Extended Service Brake Fluid [Re: silverbullet] #4492068
08/18/17 03:32 PM
08/18/17 03:32 PM
Joined: Nov 2012
Posts: 419
Ajax,Ontario, Canada
Pelican Offline
Pelican  Offline
Joined: Nov 2012
Posts: 419
Ajax,Ontario, Canada
Originally Posted By: silverbullet
Thoughts? Has anybody used it? Saw this on Autozone.
http://www.autozone.com/brake-and-power-...luid/574701_0_0


What do they mean by extended service? One should change the brake fluid every 2-3 years even with synthetics. smile

Re: Bosch ESI6 Extended Service Brake Fluid [Re: silverbullet] #4492091
08/18/17 04:00 PM
08/18/17 04:00 PM
Joined: Mar 2008
Posts: 7,349
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,349
USA
That looks like a great deal! Better boiling points and lower viscosity and a better price than Pentosin LV or any DOT 5.1!

For reference, the DOT 5.1 minimum boiling points are 500 dry, 356 wet, max visc 900.

The Bosch fluid is 518 dry, 365 wet, visc 670

I wish this was available when I needed it!

Re: Bosch ESI6 Extended Service Brake Fluid [Re: slacktide_bitog] #4492242
08/18/17 06:29 PM
08/18/17 06:29 PM
Joined: Jan 2008
Posts: 728
indianapolis in
bmwjohn Offline
bmwjohn  Offline
Joined: Jan 2008
Posts: 728
indianapolis in
hmmmm. We just did the brakes on 1992 245. Used Valvoline DOT 4 synthetic. Wonder how much better this would be? Replaced 4 calipers, 4 premium Raybestos rotors, rebuilt M/C, Wagner premium ceramic pads.

Re: Bosch ESI6 Extended Service Brake Fluid [Re: silverbullet] #4492302
08/18/17 07:57 PM
08/18/17 07:57 PM
Joined: Apr 2005
Posts: 589
Under the hood
Carmudgeon Offline
Carmudgeon  Offline
Joined: Apr 2005
Posts: 589
Under the hood
Looks like Bosch may be repackaging a slightly different version of ATE SL6, down to the tin can container.

The boiling points are a bit higher than SL6 (509/347; 700), though Typ200 is a bit higher still (536/388) but not a low-viscosity fluid.

For those who need a readily-available, high-performance LV fluid, this is good news.

Re: Bosch ESI6 Extended Service Brake Fluid [Re: Carmudgeon] #4492440
08/18/17 10:55 PM
08/18/17 10:55 PM
Joined: Mar 2012
Posts: 5,585
Colorado Springs
edyvw Offline
edyvw  Offline
Joined: Mar 2012
Posts: 5,585
Colorado Springs
This is probably made by ATE for Bosch.
Not sure is color clear or it is dyed like good ole SL6? That was best thing.


15' Toyota Sienna AWD (Mobil1 0W20 EP+ 2qt of M1 0W40 + FRAM Ultra).
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)

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