[bavarianride]

Originally Posted by deusexe

That's how it looks:

If the shifter is on the right but the transmission does switch from D to M1 and then back to D by itself, then it may be an issue with mechatronics (the CPU box that runs the ZF 8AT).

So when D->M1 occurred(rpm did going up, indicating downshift) in the video, the car was at 25mph. Normally at that mph the 8AT should shift into 1st gear anyway.

The failure can be that mechatronics incorrectly shows M1(should only displace in D/S) while still in D, if true that will be a minor issue.

Is there any more dramatic D->M1 than shown in video, e.g. traveling 60-70mph on freeway, and the transmission shifts into 2nd gear?

[deusexe]

The meter I have in km/h. And at higher speeds it just reduces by one gear. (It always reduces by one and as it returns to D sets one higher) It behaves as if I switched from D to S. And why the problem intensifies at cold temperatures?

[bavarianride]

Originally Posted by deusexe

The meter I have in km/h. And at higher speeds it just reduces by one gear. (It always reduces by one and as it returns to D sets one higher) It behaves as if I switched from D to S. And why the problem intensifies at cold temperatures?

If there is no crazy event yet, like D to manual 1st/2nd gear@80mph, then it would seem to be an electrical issue(which can get worse in the cold).

This can become a serious problem quickly, so it is prudent to seek diagnosis from indy/dealer soon.

[Marlinman]

any one with upgraded turbo and 100k + do this?

[bavarianride]

Originally Posted by Marlinman

any one with upgraded turbo and 100k + do this?

What is upgraded turbo?

[Marlinman]

upgraded turbo, i.e. anything larger than stock turbo i.e. the car is FBO with a bigger turbo pushing bigger power numbers with or without upgraded fueling. anyone?

[Hypermile]

Originally Posted by F32Fleet

Incorrect.

The transmission needs to know there's new fluid so it can compensate for the change in dynamics. This is not the same as driver specific adaptations.

Originally Posted by catskillclimber

Incorrect. Spoke with ZF about this very issue and no adaption changes are required. Local BMW confirmed this also.
The transfer case is a different story and does require a reset if the fluid is changed.

What is the ISTA procedure to reset the transmission.

Can I use ISTA to reset my transfer case after replacing the fluid?

Can I use the below link to source and install ISTA to do my transfer case and transmission?

https://www.motor-talk.de/forum/akti...hmentId=750191

[aok3210]

Argh, all I can contribute is "don't do it" unless you have the right tools. Mainly, a scan tool that will give you the transmission oil temp. I tried Torque - and it has a transmission temp for the F30 - but I noticed its the exact same value as the coolant temperature, always. So, I can only assume it's a glitch in the app. I also tried a Foxwell NT510. Others have reported success with this, but I see no trans temp option within the scanner. I tried a infrared temp gun - and that's highly inaccurate because the trans fluid will be hot long before the trans will be. Argh. Now I'm sweating over potentially overfilling / underfilling.

[sspade]

^ BimmerLink has two different transmission temperature readings available.

[n00bkiller944]

Originally Posted by aok3210

Argh, all I can contribute is "don't do it" unless you have the right tools. Mainly, a scan tool that will give you the transmission oil temp. I tried Torque - and it has a transmission temp for the F30 - but I noticed its the exact same value as the coolant temperature, always. So, I can only assume it's a glitch in the app. I also tried a Foxwell NT510. Others have reported success with this, but I see no trans temp option within the scanner. I tried a infrared temp gun - and that's highly inaccurate because the trans fluid will be hot long before the trans will be. Argh. Now I'm sweating over potentially overfilling / underfilling.

Don't stress too much. I felt the same but ended up doing it all myself and it went fine. Used my Foxwell which showed temp. But also measured what came out and it was pretty much dead on with what went back in

[Hypermile]

Originally Posted by sspade

^ BimmerLink has two different transmission temperature readings available.

Really? I only for 1 for my 328dx. I did however find more than 1 reading for the engine oli temp?

Which oil and trans temp do you use in Bimmerlink?

[sspade]

Originally Posted by Hypermile

Really? I only for 1 for my 328dx. I did however find more than 1 reading for the engine oli temp?

Which oil and trans temp do you use in Bimmerlink?

I would double check and report back....

[sspade]

@Hypermile

See bottom two items. The read different temps in practice.

[Hypermile]

Which one do you monitor?

[sspade]

Originally Posted by Hypermile

Which one do you monitor?

I have not done this procedure but if I were to change my fluid - I would use the straight up Transmission Temperature one... Not positive exactly what/where the other one is reading from. Someone else with a more technical background/education might be able to help us...

[mreric]

I just this procedure on my X1 same 8 speed... Using ISTA+

for now i just did a drain and fill, but for some reason the software did not make me go through the gears like some has said here in the forum and video online. did anyone have the same experience ?

a drain and fill was only 3.5 liters- in the adjustment i put in about the same amount. about 200ml less.

maybe i have to click on part replacement? not on fault code?

[jcattletown]

Originally Posted by Sanelko

ISTA+ is the software. I used my Max Axess ratchet with a 8 mm Max Axess Hex Bit Socket.

Could you elaborate on how to use ISTA+ to read the trans temperature? Thanks.

[Sanelko]

Originally Posted by jcattletown

Could you elaborate on how to use ISTA+ to read the trans temperature? Thanks.

It's mentioned a few times in this thread, but you run the "Transmission control unit: oil adjustment" service plan.

[nightbreaker]

Originally Posted by Sanelko

Just did the change a few days ago myself. Took about 4.5 quarts.

FYI, the ISTA+ "Oil adjustment" procedure following pan/filter replacement is as follows (car initially off):
1. Fill pan until fluid drips from the fill plug
2. Turn car on, and immediately repeat step 1
3. Get in the car and shift to reverse, then D, then go into the manual shift gate and hold gears 1 & 2 for 10 seconds.
4. Put the car back in park and rev the engine at 2k RPMs for 30 seconds to fill the torque converter.
5. Repeat step 1. Replace fill plug

Supposedly the fluid is supposed to be between 30-40 degrees C before doing step 5, but I was at a rent-a-lift place and didn't want to wait for it to drop from 57 degC back to under 40degC. I just overfilled a bit and quickly replaced my fill plug in order to compensate for the warmer oil.

Will I need to use the Oil Change function as well (which resets the adaptations) after or before the Oil Adjustment function ?

[nightbreaker]

Originally Posted by Sanelko

Just did the change a few days ago myself. Took about 4.5 quarts.

FYI, the ISTA+ "Oil adjustment" procedure following pan/filter replacement is as follows (car initially off):
1. Fill pan until fluid drips from the fill plug
2. Turn car on, and immediately repeat step 1
3. Get in the car and shift to reverse, then D, then go into the manual shift gate and hold gears 1 & 2 for 10 seconds.
4. Put the car back in park and rev the engine at 2k RPMs for 30 seconds to fill the torque converter.
5. Repeat step 1. Replace fill plug

Supposedly the fluid is supposed to be between 30-40 degrees C before doing step 5, but I was at a rent-a-lift place and didn't want to wait for it to drop from 57 degC back to under 40degC. I just overfilled a bit and quickly replaced my fill plug in order to compensate for the warmer oil.

Thank you for the info. Bought 7lt of Zf8 oil and Zf filter for my F30 320ied.

I am confused with the procedures a bit.

The youtube video later on this thread recommends to wait 5 sec on R and D and then letting off the brakes and rev for 5 sec at 2. gear directly and then reving to 2000 rpm on neutal for 5 sec.

I dont know which one I should apply. However in case I apply your 3. step (Get in the car and shift to reverse, then D, then go into the manual shift gate and hold gears 1 & 2 for 10 seconds.):

I know I should press brake and make sure to stop the wheels spinning between gears R and D and even M1.

Question1: Should I again press the brake and stop the wheels once I rev at M1? And then take the gear to M2 and let the wheel run from M2. But in that case M1 should appear again automatically. So will I spin the wheels at 2000rpm on M1 for 10 sec and manually shift to M2 while the wheels are spinning and rev 2000rpm for another 10 sec?

Question2: Ista+ will ask the reason why I do the oil adjustment. What answer should I choose?

Question 3: Should I also go to the Oil Change menu under Oil Adjustment on Ista+ which will probably reset adaptations?

[nightbreaker]

Originally Posted by deusexe

Sorry for my english but I've got a problem. I replaced the oil in the original parts and ZF oil with static replacement. Now, when I go to D, the manual gearbox is switched on from time to time with simultaneous reduction. And after a few seconds he returns to D. The incident happens sporadically in the summer. (once, two a month) And unfortunately in the winter at a temperature of about zero degrees every day. I have already mentioned even the selector, because I suspected that it was failing, but nothing improved...

Are you sure you followed all ZF and ISTA procedures with OEM ZF oil and filter?

[nightbreaker]

Changed the transmission fluid on my F30 (5 years old 37K miles) following ZF procedures with ZF oil and all is perfect. Smooth shifts got even smoother.
I recommend everyone to change the transmission fluid as early as possible to take no risk.