How To Guide How to change Auto Gearbox Oil

t-tony

t-tony

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#ZedShed
Joined
Dec 31, 2013
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Location
Torksey Lock,Lincoln, England
Model of Z
E89 Z4 23i Auto
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Nice one Tony. Did you do a Risk Assessment to go with your Method Statement lol;)
 
No Jack sorry, just plain old common sense.;)

Tony.
 
Good write-up @t-tony.
Did you see any evidence in the filter to indicate it needed changing?
 
No, to be fair, you can't see much of the filter element really and I didn't cut the old one open to have a look either. The original oil was still fairly clean too.

Tony.
 
t-tony said:
....... The original oil was still fairly clean too......
Click to expand...

Ok - thanks. I have changed the 'lifetime' fluid a couple of times now but never gone as far dropping the cover to access filter which is not listed as a service item. Presume there is one in there on my model but will check further.
The first change was 53k and oil was a little murky but nothing serious. On the 2nd change @ 68k the oil appeared perfect but I will continue to change every few years anyway.
 
@t-tony I have a S205a auto gearbox. Is yours the same? Just realized the code is probably generic and just means auto - without being a specific model of auto.
 
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Can check when I get home from work mate.

Tony.
 
jonco said:
Ok - thanks. I have changed the 'lifetime' fluid a couple of times now but never gone as far dropping the cover to access filter which is not listed as a service item. Presume there is one in there on my model but will check further.
The first change was 53k and oil was a little murky but nothing serious. On the 2nd change @ 68k the oil appeared perfect but I will continue to change every few years anyway.
Click to expand...

I noticed that "lifetime" fluid, in the BMW's acceptance it's about 150k km or 100k miles, because is what they expected as lifetime for a regular model! The Zed, being a collectible will jump over the rules and needs replacement of the "lifetime" fluids.
I had a friendly argue with a friend, working in a BMW workshop and I found these values written, when you look better in the inspection's schedule.
It's applying to the differential too. And to the Lambda sensor (Oxygen sensor).
 
Zeti said:
I............................
It's applying to the differential too. And to the Lambda sensor (Oxygen sensor).
Click to expand...

Agree Zeti - I changed diff and PAS 2 years ago and will do them again soon because of car's age. They are quick jobs and the fluids are not expensive. Not done Lambda yet on the list for the spring.
 
Cooper said:
@t-tony I have a S205a auto gearbox. Is yours the same? Just realized the code is probably generic and just means auto - without being a specific model of auto.
Click to expand...

Hi coops, just looked on the VIN decoder for my car and it merely lists Transmission - Automatic. Also looked on Carweb today at work but nothing shown on there either. Sorry no help mate. Happy New Year to you and yours.

Tony.
 
Hahaha! Thanks for the info. I was just searching all over the place for info on my auto. This site is addictive and takes over you whole life, but who's complaining? :)
 
Guys, I just got under the car to look at the trans. There is a green sticker that says to use oil # 83220024359 and there is a barcode sticker with GM ######## 909. there is a single very large oil pan for it and it is rectangular with smooth rounded edges. There is no cut off corner or anything unusual about the shape. I cannot find the model stamped on the trans anywhere, just the GM sticker.

Any ideas what model I have?

Update... this seems most likely! GM5 [A5S 390R]

tranny.webp
 
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