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Old 08-10-2011, 11:10 PM   #1
blakneto
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Power Steering - ATF or Steering Fluid?

Just wondering if anyone uses ATF (ie Redline D4 ATF) or actual steering fluid??

Reading alot of posts that say you should only use D4 ATF in an e46?

Anyone have any personal experience???

Thanks in advance.
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Old 08-11-2011, 12:01 AM   #2
T.Dot_E30
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ATF only in all BMWs.

It says so on the cap, and in your manual. RTFM
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Old 08-11-2011, 12:20 AM   #3
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DOH!
Yah I deserve that...

Thanks!
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Old 08-11-2011, 12:30 AM   #4
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Quote:
Originally Posted by T.Dot_E30 View Post
ATF only in all BMWs.

It says so on the cap, and in your manual. RTFM
This is incorrect btw. Cars with self leveling suspension use CHF11, but yeah in E46 case, ATF
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Old 08-11-2011, 08:51 AM   #5
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make sure it is Dex III and not Dex VI
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Old 08-11-2011, 11:18 AM   #6
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Quote:
Originally Posted by T.Dot_E30 View Post
ATF only in most BMWs.

It says so on the cap, and in your manual. RTFM
Quote:
Originally Posted by SickFinga View Post
This is incorrect btw. Cars with self leveling suspension use CHF11, but yeah in E46 case, ATF
ok fixed.
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Old 08-11-2011, 11:34 AM   #7
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Sickfinga is here to point out all your mistakes.
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Old 08-11-2011, 11:24 PM   #8
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Thanks Lads!
Used Royal Purple and a Turkey Baster and POOF, clean nice fluid!
RTFM and didn't find it in there... but its on the cap!

Thanks for the support!
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Old 08-12-2011, 05:54 AM   #9
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I wouldn't go to fancy with all this synthetic nonesense.

I used to use Mobil1 ATF synthetic and in cold winter days, my steering was very difficult to turn for the first 10min - as if there was no power steering.

Switched it out to regular castrol atf dexron III and volia! No more tight cold steering.

Sometimes, the car just needs what it had from factory. None of this fancy redline royal purple stuff.
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Old 08-12-2011, 04:00 PM   #10
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how cold is it where you are? :p
http://www.mobiloil.com/USA-English/...hetic_ATF.aspx

So far so good with the Royal Purple!

Thanks for all the replies!
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Old 08-17-2011, 01:41 PM   #11
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I believe the other benefit ( and most desired ) is the better performance of synthetics at high temperatures as well as low, in the end its your car and your pump, whatever you want to use.
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Old 08-18-2011, 05:59 AM   #12
328iInt.o
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Well our cars were made the way they were for a reason, synthetic oil for example, or our light weight manual transmission fluid.

If our cars needed synthetic power steering fluid, they would have came that way. They have hundreds of engineers employed at BMW and our cars were made at premium hence our premium msrp. Maybe they thought there weren't any real advantages at cold/warm over synthetic? Or our pump handles non-synthetic better?

Last edited by 328iInt.o; 08-18-2011 at 06:02 AM.
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