Question about 2003 BMW 325

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Power steering fluid or ATF

I was told i need power steering fluid in my 2001 325ci BMW as the stbut I only see where I can put ATF. Is this right? Is there a special place to put power steering fluid?

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Yes There Is ONLY ONE PLACE for Power Steering Fluid.

ZF Gemmer Steering

The ZF Gemmer steering is permanently filled with oil. There is no drain plug.

ZF Rack and Pinion Steering Without Power Assist

The ZF rack and pinion steering is lubricated for its service life and therefore does not require servicing.
In case of repair, steering components on E21 vehicles are to be lubricated with a sodium-based grease, with a temperature range of -30°C to +75°C .
Calypsol D 4024 BMW Part No.32 11 1 116 929

Ball and Nut or Rack and Pinion Power Steering

Only reputable brand Automatic Transmission Fluid (ATF) of Dexron® III formulation may be used for the power steering and power steering pump.
In case of brief hydraulic noise after starting at low outside temperatures, we recommend replacing the red ATF with green CHF or LHM oil (see below).

ZF Ball and Nut Power Steering with H31 System

The approved oils for BMW models with power steering and the H31 brake booster system are identical with those oils approved for power steering without the H31 system except for the following:

E32 models with self-leveling rear suspension and mutual oil supply tank in the engine compartment.
Countries with very low outside temperatures (e.g. Canada) had their power steering systems filled at the factory with Pentosin CHF 7.1 since 9/87 through 9/91. This is also to be used on vehicles built before 9/87.

Since 9/91, vehicles now use Pentosin CHF 11S instead of CHF 7.1.

Pentosin CHF 7.1 BMW Part No.81 22 1 468 879
Pentosin CHF 11S BMW Part No.82 11 1 468 041

These cars are marked with a pertinent label located close to the oil tank.

LHM oils (green color) of the following manufacturers may also be used instead of Pentosin (CHF 7.1):
Shell LHM
Castrol LHM
Exxon LHM

The mixing of CHF, LHM oils and ATF is not permitted.

Pentosin CHF 4548 was used on vehicles built before 9/87 but is no longer available. However, mixing of Pentosin CHF 7.1 with residual quantities of Pentosin CHF 4548 are permiffed in these earlier vehicles. Mixing of these two oils is not permitted for E32/E38 vehicles.

The hydraulic system for power steering and power-assisted brakes must be drained as completely as possible when changing from one type of oil to the other.
All oil supply reservoirs are marked with the type of oil being used - ATF or CHF.

Posted on Jun 03, 2009

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Don't use ATF, go to any auto parts store they all sell universal PS fluid that will work in any model and make of car, Kragen, Autozone and others carry this fluid, it is very cheap to buy.

Posted on Jun 03, 2009

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2006 330i Need to add power steering fluid, but can't identify which is power steering resevoir.


This is wrong!!!! This will destroy your car. The power sterring fluid say ATF only, putting power sterring in it will destroy the steering.

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Dexron III ATF is what BMW called for in the power steering pump in these models. However, GM no longer makes a type-III ATF!

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1 Answer

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The ATF stands for Automatic Transmission Fluid which controls your power steering. You might have observed your steering has gotten a bit more stiff... or will eventually get to this. This ATF is different from the hydraulic fluid which controls your brakes. You need to take it to a BMW automechanic who would top it up. It is sold in containers like hydraulic...you will buy it and give it to mechanic for refilling. The container for this is in the bonnet just below the windscreen almost at bottom of engine. also ensure that the lid is not open and the container is not broken in any way to leak the ATF

Cheeers

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