Transmission Service DIY for BMW ZF8 Transmissions (HP50, HP51, HP70, HP76)

Рет қаралды 15,606

Жыл бұрын

**Make sure the engine is running while doing the final fluid level check**
Torque Specs:
Oil Drain Plug: 8Nm
Oil Filler Plug: 35Nm
Oil Pan Screws: 4Nm+45*
Part Numbers:
Trans Pan Kit (Pan+:Screws): 24118612901
Trans Pan Screws: 24117552108
Fill Plug: 24117552349
I used Lifeguard 8 Automatic Transmission Fluid. Others recommendations for upgraded fluid includes Adrenaline ATF Racing Fluid or Amsoil Signature Series ATF.
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Пікірлер: 106

@kern417 Жыл бұрын

UPDATE: Make sure the engine is running when you check your fluid levels. I was able to get an extra 1L in the car doing that method after driving it around and going through the gears. Hope this helps

@torentmonkey 9 ай бұрын

Was going to ask as mine in a g20 took 6l ( more 5.5 because I used some to wash my pumps etc ) , had engine running, went trough gears and also did a 2000rpm for a few seconds to "fill torque converter" per ZF.

@torentmonkey 9 ай бұрын

ah and a funny thing is that I got only 4l out of it and that was factory fill at 100k km

@camluczi Жыл бұрын

Here are some of my tips and thoughts, after having done this on several vehicles: - ZF lists spec for the bolts on the plastic pan as 10 nM, 4.5+45 is for aluminum pan - loosen the fill plug only, do not fully remove before draining, otherwise lots of fluid will come out of the fill plug - When removing the pan after draining, drop the front (like you did) first so more oil comes out of the drain hole as you are removing the pan - Make sure to check the oring on the filter came out with the old pan/filter and isnt stuck inside the transmission, otherwise there will be pressure issues - ZF says filling sequence should actually be A) do initial fill, then close fill plug, B) start the car and do another fill until fluid comes out, C) wait until up to temp range and then do final fill, but lots of people skip step B - ZF also says to run engine at 2000rpm for 30 seconds to fill up the torque converter and to hold each gear for 10 seconds once at temp window range - After your initial fill, make sure the car is running and in park, if you shut the car off, a ton of fluid will come out your fill hole and you wont have the right fill - ZF says you are at the right level when single drips are coming out of the fill hole, not a large stream thanks for the videos and have fun!

@CosmosMBTS Жыл бұрын

Thank you for clarifying this for the viewers that are not aware of the correct procedure. You saved me from typing it.😊

@MrSimonwatkinson Жыл бұрын

Having changed the pan and fluids myself this is great advice. It took 3 fills for me to get to the correct level

@matthewschaefer2678 6 ай бұрын

probably a dumb question but does the vehicle need to be in drive or neutral or park for the 2000 rpm

@camluczi 6 ай бұрын

@@matthewschaefer2678 Park would be best.

@matthewschaefer2678 6 ай бұрын

@@camluczithank you 🙏

@kjhnsn7296 11 ай бұрын

Highly recommend ensuring you can loosen the fill opening before draining the fluid.

@mikeoxlong6351 Жыл бұрын

Thanks for being really consistent and precise with all the info involving the job all the way down to the order of tightening the screws on the pan and putting the Torque Specs in the description.

@markzl1608 Жыл бұрын

Love that you kid was getting involved. Teach him young!

@johnmichigan6864 Жыл бұрын

My understanding is that the final fill needs to be done WITH THE ENGINE RUNNING. That is because the transmission fluid pump sucks a fair amount of fluid up out of the pan while running, and releases it when the engine stops. If the engine wasn't running when you filled it, that probably explains why you used only four liters of fluid. I strongly recommend checking again while the engine is running at temperature. I expect you will get at least another liter in there.

@kern417 Жыл бұрын

may try that later

@sutphintuning9085 Жыл бұрын

This is correct, the engine needs to be running and in park, the temp can be as low as 30c no higher than 50c max. If you don't put around 6L to 6.5L of fluid back in this will affect shifting and if it's too low cause slipping or worse.

@kern417 Жыл бұрын

@@sutphintuning9085 copy. Will give it a shot this weekend

@thatsabadidea Жыл бұрын

Yes, I made this mistake only yesterday. Turned the engine off every time I checked the level. I had a loud whin from the gearbox. Checked the level again with engine running and it took another 1.5l. It is perfect now.

@user-ki8zf1rp1e 9 ай бұрын

@@thatsabadideaI can also confirm the 30c-50c range fill procedure. I made the mistake of ignoring it, ended up with a whining noise and subsequently scorched the torque converter along with everything else in the trans. A $7K mistake🙃 that I won't make again.

@andrxito Жыл бұрын

Thanks man, as always full of good practices. You just saved a lot of people a bunch of money!

@CosmosMBTS Жыл бұрын

Thanks for a great vid. A good habit is to ensure you can loosen the fill plug first, before draining your fluid.👍

@gustavomota7244 Жыл бұрын

I SWEAR YOU ALWAYS MAKE A VIDEO FOR EVERYTHING I NEED. I have all the service parts for the trans and I was going to ask you if you can make a video on it.

@Jackapoo1 3 ай бұрын

Thank you so very much, Sir. Clear, concise instructions, absolutely invaluable. Again, thank you so very much and if you can keep these instructional videos coming.. i’m actually becoming a pretty good mechanic because of you👍👍

@ammo444 Жыл бұрын

This dropped right on time 🙏

@44DI Жыл бұрын

This is exactly what I needed before I install my daw 2.5 on my 440.

@CrowSaysMoo Жыл бұрын

Another solid video. Thank you

@carlosmiguel4756 4 ай бұрын

Nice work but you forget one thing: changing the sealing sleeve inside the mechatronic unit. Don't forget that because the one in there might have some kind of pressure/oil leak and the gearbox will slip/jerk. Also after the work is done, reset the adaptations in ISTA or other smartphone app that allows it. If you don't have it, disconnect the battery for 30mins, that will do it.

@Branflakes1234 Жыл бұрын

Just did this service on my Supra. I recommend following this procedure, but do one more hot fill after driving the vehicle and moving through all the gears. It's annoying, you'll have to drive the vehicle, let it cool, then bring it back up to fill temp. I found I needed more fluid. It also solved an issue where I had transmission slip/hesitation when cold

@blacktalonsport1262 Жыл бұрын

I bet it's a joy having a son that's interested in helping you with the build. My youngest daughter will only bring me water when I work on projects.

@kern417 Жыл бұрын

Lol i started him early so he's used to it. It can be a blessing and a curse when i really need to get something done quickly 😅

@blacktalonsport1262 Жыл бұрын

@@kern417 I hear you! I only have daughters 😪

@kern417 Жыл бұрын

Show them how a King moves so they aren't impressed by some dude's ratted out hatch 😎

@monoralph1375 3 ай бұрын

Have a son and daughter. Son never interested in auto mechanics. Daughter is right in there with me helping. All depends on the child, now both adults. Son is getting better at hands on but missed on years of exposure. Now he is moved away and learning on his own.

@phillm156 Жыл бұрын

Great video for the most popular ZF transmission. I have an SQ5 that I just did this exact service at 70k miles and was starting to get sluggish shifts from drive to reverse and visa versa. Don't believe the "lifetime fluid" b.s. they sell you. I have a friend with a 335i with 130k miles when his ZF with original fluids, grenaded on him. Btw- great tutorial on training your little protégé 😅

@michailolchovetskyi320 9 ай бұрын

Thanks a lot for this DIY

@BMWEnjoyer Жыл бұрын

Good stuff!

@MicDropBBQ 8 ай бұрын

STEP ONE: make sure you can get the FILL plug off BEFORE you drain any fluids - on any service. If you can't get the fill plug off, then you just drained all the fluid and the car is essentially dead in the water.

@jesusirizarry7346 Жыл бұрын

Excellent 🤙🏻…. please make a video on how to make a Coolant Flush ,, please

@EnviousOG Жыл бұрын

As someone pointed out, you did need to run the car and then refill again. Also what i would recommend, before draining the oil, make sure you can undo the fill plug to confirm youre able to refill it. 😂

@nicholasb0201 Жыл бұрын

Great and informative DIY kern! Only one recommendation is to open the fill plug first in the event you drain the fluid and can’t refill…

@andrxito Жыл бұрын

That's alright in this case, since the kit comes with a new fill plug if I understood correctly

@Mtth_ Жыл бұрын

No he’s saying to undue the full plug first to make sure it’s not seized rather than draining all the fluid and not being able to add fluid because of seized plug. Prevents you from having a car that’s stuck.

@moescolla Жыл бұрын

Great info

@Ataustens90 5 ай бұрын

Hola, podria decirme donde esta la palanca para poder poner el cambio en neutral? Gracias

@marwansherin Жыл бұрын

I think the extra 3L fluid is used when you do a complete flush

@NoDidddy Жыл бұрын

The B58 🐐!

@maximilianlindner Жыл бұрын

Awesome

@tastywaffle1560 Жыл бұрын

You should remove the oil line from transmission to your oil cooler and blow out the oil thats in there. You'll end up using two more bottles of oil

@Viperoloff01 4 ай бұрын

I have the hp51x with 70k kms. Want to do this now as I just received my mhd unlocker and will go to stage 1. What is the actual torque limit of the transmission as officially its rated at 500Nm. Mine is a gen 2 2019 x3m40i and a stage 1 seems like my torque will increase to 580Nm

@gs_myteN 29 күн бұрын

i did this to my 340 with 72 miles on it, never been done before, only filled 4l so have 3l leftovers, now it feels like the car shifts wierd, in manual mode it downshift as it did before, but upshifting is insanely slow.. over 1.2 sec, do i need to do some adaption reset? like the one carly have gotten now? or shudd i try fill even more oil?😮‍💨 been driving around 180km now and still the same my gf x3 shifts faster and thats all stock, i got xhp stage 3

@SEBAS31077 2 ай бұрын

i got bimmerlink but dont see transmission temperature for 08 x5

@tristanmayor6302 Жыл бұрын

More from your assistant please 😂

@kern417 Жыл бұрын

He's in there more than I am nowadays

@derek5394 4 ай бұрын

What fluid do u recommend?

@KurumaDesigns Жыл бұрын

I was going to do this on my 440i soon, so this video is perfect timing! Also, your exhaust isn’t attached on the hanger on the transmission 🙈

@kern417 Жыл бұрын

shhhhh

@bigo975 Жыл бұрын

Should always loosen the fill plug first to make sure u can refil...l

@kern417 Жыл бұрын

This is funny. I've had such good luck with these cars, I stopped thinking that way 😂 but thats fair.

@CosmosMBTS Жыл бұрын

Lol, sorry, just posted the same. Thanks for the visit.👍

@MrRADIBOG Жыл бұрын

Could you post a video on how to replace valvetronic motor on B58? I know it’s couple bolts but are there any adjustments that needs to be done after you swap the motor?

@kern417 Жыл бұрын

I'll add it to the list. No adjustments need to be made. The car automatically calibrates it.

@behindthebuild8016 10 ай бұрын

The adrenaline trans oil comes in a 1 gallon bottle I’d that all we’d need or more?

@kern417 10 ай бұрын

you'll want 2 gallons to be safe

@none8258 Жыл бұрын

Viewers should search for ZF's transmission service docs and follow the correct procedures, several of which were not done, or were done incorrectly in this video. New transmissions are expensive.

@robertdaniel11 11 ай бұрын

Can you replace the filter in the aftermarket pan?

@kern417 11 ай бұрын

I haven't used an aftermarket pan so not sure

@lawrenceburls4673 10 ай бұрын

HI My bmw f10 535d 2016 with nearly 40.000 miles im toldi should change now as the car is over 6 years old

@kern417 10 ай бұрын

wouldn't hurt

@WavyF36 Жыл бұрын

My rcp euro kit came with liqui moly atf fluid.. would you recommend against this?

@WavyF36 Жыл бұрын

its top tec 1800 fluid

@kern417 Жыл бұрын

Should be fine

@WavyF36 Жыл бұрын

@@kern417 Okay thank you. I love the content! You give great descriptions and save me a lot of time and money. I had the transmission service kit waiting in my garage for months and was waiting till I had the confidence to do it. After watching this video I'm ready to get started 🤝

@xu6dt 9 ай бұрын

ZF just updated their recommendation to 150,000 km.

@kern417 9 ай бұрын

😳

@MrDionstarrr 4 ай бұрын

Source?

@xu6dt 4 ай бұрын

From ZF.....ZF 5-, 6-, 8- and 9-speed as well as the ZF 4HP20 automatic transmissions are filled maintenance-free with specially developed semi-synthetic transmission oils. However, due to the many factors influencing the service life of transmissions in individual operation, ZF recommends an oil change after 150,000 km for its transmissions. In operating conditions with high temperatures and loads, or with unknown vehicle use in the past, it can make sense to change the transmission oil at shorter intervals.

@nicholaslong3010 Жыл бұрын

Kern417, I’m sorry I can’t remember your channel. I just keep putting in kernb58. Love your content.

@marwansherin Жыл бұрын

No need to put a sealant when putting the new pan?

@kern417 Жыл бұрын

It has a gasket

@marwansherin Жыл бұрын

@@kern417 awesome, something to keep in mind when doing that

@Player-uq9et 8 ай бұрын

You can also replace the same amount fluid that was removed.

@kern417 8 ай бұрын

not if the car won't take it

@Player-uq9et 8 ай бұрын

You remove the fluid at ambient temperature, so both old and new fluids have the same volume

@kern417 8 ай бұрын

not necessarily.

@virenpatel9973 10 ай бұрын

Do not reset adaptions when doing this. I did on my n54 and ended up needing a trans 3k miles later.

@kern417 10 ай бұрын

Absolutely. Adaptations should never be reset unless the transmission internals were rebuilt

@brucevo3039 Жыл бұрын

i thought ZF8 told us not to do a trans service

@kern417 Жыл бұрын

depends on who you ask

@hasan_440i Жыл бұрын

In time

@Shirley_Jorge Жыл бұрын

imagine swapping the 8hp76 swap on a 40i like they did with the supra mk5 !

@kern417 Жыл бұрын

👀

@thefastforte2854 3 ай бұрын

👀

@carguy... Жыл бұрын

How often do you really need to change your transmission fluid??? Some people just love to spend money on unnecessary stuff sometimes.

@catman41155 Жыл бұрын

8 yrs/ 62k miles is what ZF recommends. Since they manufacture the trans, I'll take their recommendation over BMW any day. Same thing with the differentials, ask BMW and they will tell you lifetime for that too so they don't have to include it in any of those extended maintenance plans they love to sell.

@kjhnsn7296 11 ай бұрын

@@catman41155Or when it blows from not changing the fluid, that's the LIFETIME!😂 They then get to charge you $10k or more for a new transmission.

@Alanski340 Жыл бұрын

But there’s a TSB From ZF saying do not change the trans fluid unless you have issues.

@day4061 Жыл бұрын

Yeah I ain’t touching my transmission too risky

@zanderhenley2043 Жыл бұрын

Lol emergency call malfunction gang

@bars1512 Жыл бұрын

If you’ve done over 100k miles on original transmission oil DO NOT CHANGE THE OIL.

@kern417 Жыл бұрын

you can change it. just don't do a flush or any adaptation resets.

@wingedhussar5528 Жыл бұрын

Good vid. Lifetime fluid is bs, it's essentially the lifetime of the warranty because it needs to be replaced every 50k miles on an auto transmission.