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Re: ATF for 525i (archive)

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Posted by Rick on August 29, 2001 at 08:31:53:

In Reply to: Re: ATF for 525i posted by Simon Leigh on August 28, 2001 at 21:43:02:

I'm low on Automatic Transmission Fluid in my 1992 525i and the book (also Bentley) says to add ATF Dexron II. However I can not seem to find any around. Everyone carries Dexron III and claims that it replaces II. It looks and feels thinner thn the II.

Anybody out there help me with this?

Dexron III is compatible with all Dexron II applications.
Another option is to change to synthetic (Mobil1, Redline).
Keep in mind that a drain/refill only replaces around 45% of the total capacity.
Where has ATF gone ? Do you have a leak ? How long since a drain/refill/filter change ?

89 525iA

Thanks! I do have a leak or two plus I just replaced the radiator which lew apart where the top hose connects. Since it is an automatic there are two ATF cooling lines that attach to the radiator.

Leaks seem to be coming from the front pan and the torque converter (maybe front seal). I figured that I would add enough ATF to hold it for a couple on months and then consider seal replacements at the same time that I replace the cracked Guido and flush/drain/refill the Transmission. Trying to minimize expense and downtime.

Any idea what it vosts to change all the seals on the transmission?

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