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Old 09-01-2014, 09:29 AM   #21
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Thank you, KyleB, for a great write-up.I started experiencing some rough shifts on my 2006 530i with 127k miles.I bought the car with 78k and never changed the fluid myself, and I doubted the previous owner did either.While doing my research I came across your great write-up and figured I would follow your procedure for the pan replacement and fluid refill only (steps 1-8 and 29-38), since my shift problems were intermittent and I didnít have any codes.

A couple of tips they may help some folks.

Tip 1: Get a good fluid pump!When I did my 3-series a couple of months prior I bought a suction gun and it worked great for the thicker ATF for the GM transmission.It would pump 1 liter in 2 cycles.For whatever reason, the suction gun did not work for the ZF fluid.The ZF fluid is a lot more like water and I guess the seals were not good enough or the ATF from the first job destroyed them.In any case, I ran mid-job to Autozone and bought a cheap plastic pump that screwed to the top of the bottle and drove home praying that it would work.It did the job, but took 100+ cycles to pump 1 liter.I am not exaggerating!It got the job done and my fingers are stronger today because of it.

Tip 2: You can put 1 liter, maybe more, into the pan before you carefully lift it into place.I am glad I did this, given my bad pump experience.It saved some time.

I drained about 7.5 liters and replaced about 7.5 liters.No leaks and no intermittent shifting problems after about 200 miles.Keeping my fingers crossed!
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Old 09-08-2014, 07:09 PM   #22
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Anybody in Socal willing to do this for me for some extra cash?

I can buy the parts - just looking to hooking up a fellow member on the install rather than paying an Indy Shop =)

Indy quoted me $400.

Pm me with offers please - I really need to get this done.

Thanks!
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Old 10-08-2014, 05:18 PM   #23
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e60Eric

How did you get that much fluid in your unit? That is a lot of fluid.

Did you drain the system also at the cooler under the radiator?
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Old 10-13-2014, 06:33 PM   #24
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@gcalo: I can't say I did anything special other than to let it sit and drain overnight. It seems like most people get at least 6L out just by opening the drain plug. After that I would say there is still almost 1L left in the pan/filter. Maybe I got another 0.5L just by letting it drip.
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Old 10-13-2014, 06:46 PM   #25
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I know for a fact the pan holds almost 1.5 Liters. I have filled my old pan w/water and then measured it after filling.

Then there are 4 liters +/- the system will take.

I think by letting it drain overnight you may have achieved what I have estimated will be the return volume after I drain from the cooler as well.

Could be that you achieved that amount by the overnight drain.

I am doing mine this W/E for a 3rd time. I now have about 1K miles on 2nd fill.

So I will see what I yield by draining at the cooler as well.

My guess was 7 +/- liters.
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Old 10-30-2014, 12:29 PM   #26
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I'm about to embark on the fluid change and Mechtronics seal. Here's a video of the valve body assembly that I found to be of interest. The video shows some good details of removing the valve body.

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Old 10-30-2014, 04:16 PM   #27
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If it's not leaking I'd leave it alone.

Don't invite trouble.
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Old 11-08-2014, 07:09 PM   #28
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Quote:
Originally Posted by gcalo View Post
If it's not leaking I'd leave it alone.

Don't invite trouble.
It wasn't leaking and I didn't mess with it.

Thanks again to KyleB for posting this DIY.

I used an OTC (2359) Oil Suction Gun to fill the fluid. It was ~$18 from Amazon and worked a lot better than the cheap plastic types.

I decided to use Motocraft Mercon SP transmission fluid.

Last edited by txag_530i; 11-08-2014 at 07:14 PM.
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Old 11-08-2014, 10:04 PM   #29
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You used the right fluid for sure!

I can attest to that
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Old 11-09-2014, 07:44 AM   #30
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Quote:
Originally Posted by txag_530i View Post
It wasn't leaking and I didn't mess with it.

Thanks again to KyleB for posting this DIY.

I used an OTC (2359) Oil Suction Gun to fill the fluid. It was ~$18 from Amazon and worked a lot better than the cheap plastic types.

I decided to use Motocraft Mercon SP transmission fluid.
Ford's 6R80 transmission is nothing more than a rebadged ZF 6HP26, so theoretically the Ford fluid should work just fine. You're not the first person to use that fluid in a ZF gearbox.

Best of luck to you and the car.
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