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X3 E83 (2004 - 2010)
Talk about the E83 BMW X3 in this forum!

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  #1  
Old 02-06-2011, 11:38 AM
new_e46 new_e46 is offline
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Power steering fluid

I have a 2007 X3 3.0si and my power steering fluid is low. Just wondering if I can use Dextron III ATF to top off?
Anyone know what's "CHF S11"? Is it the same as Dextron?

Thank You

H

Last edited by new_e46; 02-06-2011 at 11:48 AM.
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  #2  
Old 02-06-2011, 03:02 PM
PSUEng PSUEng is offline
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Not the same and do not mix them. Go to dealer and buy the CHF. Or, I think there is a pentosin equivalent sold by Turner or ECS. Not sure....
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Old 02-06-2011, 05:47 PM
Supercourse Supercourse is online now
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Quote:
Originally Posted by PSUEng View Post
Go to dealer and buy the CHF. Or, I think there is a pentosin equivalent sold by Turner or ECS. Not sure....
This gets confusing ...

AFAIK, all years of the E83 specify ATF in the PS reservoir.
It says so on the cap - but doesn't tell you which ATF.

I tend to give these transitory GM ATF's a miss - too complicated to keep track of them.
Dextron III could well be compatible with the factory fill, but not Dextron VI.
Not sure about Dextron IV and V - if they ever existed.

Any premium synthetic ATF labeled "Multi Vehicle Application" is the safest bet.
That is, not a synthetic one that is labeled specifically for certain Chrysler models, for example.

P.S. Things must get easier with the new model as it has electric power steering!

Some other BMW's may still use CHF fluid, but they will have that decal on the reservoir cap.

Last edited by Supercourse; 02-06-2011 at 05:51 PM.
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  #4  
Old 02-06-2011, 10:18 PM
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bmw_n00b13 bmw_n00b13 is offline
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Dexron III has been superseded by VI. There is nothing in between. En.wikipedia.org/wiki/Dexron

Best to ask an Indy what you can use. My e39 runs fine with dextrin vi
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Old 02-07-2011, 08:26 AM
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X3emist X3emist is offline
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Better check for a leak

You better drop your undercarriage pan and see if you have any fluid in it. These power steering hoses are prone to developing leaks. On my other BMW I have cut off the BMW clamps or crimps and reattached with a regular old hose clamp, seems to work much better.
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  #6  
Old 02-07-2011, 08:41 AM
new_e46 new_e46 is offline
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the power steering fluid reservoir has about 1/4 full. I'm heading to the stealership tonight to pick up a 1 liter CHF11S for $45.00, since there are no alternative fluid that I can use.
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Old 02-07-2011, 08:33 PM
S93D S93D is offline
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$45 is too much. I bought Pentosin CHF11S from a NAPA auto parts franchise. I read that many NAPA auto parts stores have it. It costs maybe $22. If there are no NAPA stores near you, try VW or Saab dealers since those cars specify CHF11S. Volvo might, don't know. Pentosin CHF11S is sometimes sold on ebay.

I add power steering fluid about every 5 years. I suck up the old fluid from the reservoir, add new fluid, drive a day, and repeat. After a few times, the fluid starts getting clearer green.

If you can replace 25% of the fluid, then after 5 changes, you'll have 75% new fluid.

If you can replace 33% of the fluid, then after 5 changes, you'll have 86% new fluid.

Last edited by S93D; 02-07-2011 at 08:35 PM.
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  #8  
Old 02-08-2011, 09:22 AM
new_e46 new_e46 is offline
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Thanks for the feedback guys.
I didn't end up buying it b/c the parts guy was kind enough to stop me from purchasing it. He gave me an indy shop which is selling the same fluid for half the price.
S93D, thanks for the tip. Will be doing what you suggested this weekend.
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