BMW 6HP21 to 8HP45 Conversion: WHAT I WISH I KNEW!

[@davidholmes6936]

Thanks

[@ZeroTo60Tube]

Thank you so much man! Much needed at the moment.

[@hammedutman3183]

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[@kar4tube]

Great update. Love the level of detail. I'm taking notes! Hoping things will work out for the best despite all the upheaval.

[@MistakenMedia087]

Silvers are a solid coil, mid range 1200ish usd coilover. Also finally got my home built single turbo running and driving! Doing all the tuning now, and full boost at 18 psi by 3800 rpm!!! Pretty happy with this pulsar gtx3582r gen 2.

[@friguy4444]

Well one thing about having to wait for new videos is it gets me into watching the older stuff again. I Need My Fix. Lol. Just for a "Matter of fact type thing the "Guibo" is supposed to be pronounced like "Shjoo-we bow" apparently. Not that it matters what so ever but it was pretty much the only info I could offer after your Wonderful Mad Transmission swapping Lab work! You sir are a Treasure to the world! Hows that for a compliment? LOL. But seriously you rock sir and keep on keeping on. Or "Never stop Never Stopping". As it were. P.S. Turbo install up date. So I have had a long round of turbo ring around the rosey. I had ordered some turbos originally and then they were cancelled by the shop. So I ordered another set from another shop "1st Racing" (All on Ebay) and it turns out I have the same turbos now (They've arrived) that you installed in what was the 17T car. Except it seems they have been updated a bit with all the concerns that "Turbo Labs America" had addressed, addressed. I won't list them here but after careful study and checking. It would seem so. By the way with the 2 inch inlets included they came to about $1500 CAD or $1350 USD. I have also accumulated all the supporting "While you're in their" parts and gaskets bolts hoses etc. I am now thinking I am going to bite the hard bullet and max out a couple of credit cards to just get a shop to do the job. The "XI" cars pose more that I think I'm ready to try and take on by myself on jack stands and my friends aren't as studious as I have been in learning all the in's and out's of it all to want to dive in with me. Just thought I'd ad this stuff. Man I'm long winded. Sorry.

[@markhutchens4944]

Been missing the videos! Good to have some Friday night viewing 👍🏻

[@friguy4444]

"Friday night" . Interesting. I got this Thursday early morning at around 1AM ish here in Western Canada (Calgary, Alberta). He has truly "N54'd the world. lol.

[@Nico_335i_DCT]

Wow. That's a lot of info Andrew. Thanks for sharing. Dutch regards, Nico

[@Cevium]

That explains the delay. Thanks for the update!

[@ml5462]

Team N54!!! Do you think you would be interested in making a plug and play unit for this swap?

[@ZeroTo60Tube]

Well it kind of is plug any play.

[@BVonBuescher]

👨🏻‍🔧🤷🏻‍♂️😬

[@ibm_businessman6033]

I'd buy

[@maxgr7723]

Hello andrew, only found now the time to watch it...that's really interesting! The idea with rerouting the OEM loom is great in my eyes, the thing with swapping the flange on the 8hp45 was on believe that the e60 6hp19/21 has more of the 5hp flange, which according to my e46fanatics source is why the need to swap on the 8hp to a 6hp or 8hpn20 flange....thy for this insight!

[@davidholmes6936]

Great work Andrew , hey mate Ebay for the brake lines, BMW 1 Series E82 (FULL KIT) Wezmoto Stainless Steel Braided Brake Hoses Lines, Wezmoto brake hoses

[@ZeroTo60Tube]

Found a them, i think - ebay.us/2vTqmK

[@mkvB58KING]

Very cool! I blew a trans on a 2016 340i and just had a used unit from a 2019 swapped in. It was much cheaper than expected, and instead of swapping TCU's I had a coder from Ukraine remotely mate the new unit to my car.

[@iboost1028]

Who did you go too?

[@piovo1]

I think they Virginise it or just code your vin into the new gearbox. Could find a tutorial online

[@mrfiasco7941]

Hi mate, what were you running when you blew your trans WHP and WTQ?

[@mkvB58KING]

@@mrfiasco7941 About 600ish wheel HP

[@lesablier2088]

Thank you for all infos ! I am thinking of switching from a 6hp32 to 8hpxx

[@Mr16bit]

Hope it all goes ok with the move. Stressful stuff.

[@TML34]

I love watching the videos, but I’m glad I have a manual and can sleep at night. 😅 Great stuff, Andrew.

[@DZ_Z4turbo]

Thanks, in one video got a lot of answers on my questions.

[@tonka5134]

Silver's coilovers are from Taiwan, very good quality

[@ZeroTo60Tube]

Thanks for the info!

[@Meatcleaver101]

Still love ya work.. regardless of when you think it is bad..

[@marcwonnacott3286]

Hope everything is going as well as it can.

[@halilerhanilgaz9758]

Hello. I watched your video and liked it very much. I also have a 2007 model E60 chassis 5.30d vehicle with 231 PS. I have stage 3 software in my vehicle and there is 391 horsepower and 776 nm of torque in my vehicle. I want to replace my 6hp21 transmission with an 8hp70 transmission. What should I do about this? I would be glad if you help. Thanks.

[@ZeroTo60Tube]

Different engine, but same process. kzbin.info/aero/PL0EMNJD2Ijw6Hc89ktPdtzqDpaSvmIXlC&si=fMDE7vESZ5_0_5VA

[@mplewp]

This is super intresting . I wonder if its possible / worth it to put the 8hp into a 730D 😇. E65 2006 . Im a former BMW technician but i never really looked into doing this swap . I always fumbled around with diffs only . But the zfhp8 is such a badass unit and the engine in the f01 is such a glass cannon that this might be viable

[@darek4488]

6HP transmissions are very strong. They can hold way more then what they are rated for.

[@bimmertec]

So awesome upgrade 😎

[@markburkey6371]

I would love to know what brand those brake lines were...😁

[@BiglumpADV]

Wezmoto, great products 👍🏻

[@markburkey6371]

@@BiglumpADV thank you sir!

[@markburkey6371]

@@BiglumpADV were they custom? Not seeing any options for bmw cars...

[@davidnjoroge8495]

can tcu works better than lamik no lie can tcu takes all shifters including dct shifters and you use oem tcu to do everything

[@b3nonee]

So we're 2 days into doing this exact swap in the UK - ZF8HP45 into my E82 135i and we're not sure how to solve the cooler. Namely because we don't have the bracket for the side of the gearbox. Can you tell me some more information about the cooler you used - How many rows is it? Is it better to mount in front of the wheel arch or on the bumper where you've mounted it in this video? How long are the hoses roughly from the cooler to the gearbox? Where do I get the conversion plate that bolts into the gearbox side? What's required if I wanted to plumb into the regular cooler? I've been following your videos all the way through and everything is perfect up until this point. Are you able to link any of the parts such as the transmission cooler and conversion plates you used so I can order them?

[@ZeroTo60Tube]

You can use any oil cooler. In the UK you may need a thermostat or at least make use of the factory heat exhanger or you may have issues getting the box up to temp. You will need to make custom lines to suit your chassis and cooler location. I ordered 5m of hose and it was just about long enough from memory. There are plenty of adapaters out there. I had these modified to suit and cost about $300aud from memory. Thats just the black right angle bits in the in box. However there are plenty of options in UK and Europe. Just need to do some googling. Make sure you go for 8hp45 specific ones, the other 8hp use different cooler ports.

[@alexblackham9674]

Thanks for the speedy response! With that in mind I think it’ll be faster for me to get some of the original ZF8HP45 lines and run them through the standard transmission oil cooler via a join until we have time to get a thermostat and do the aftermarket cooler correctly since fitting the aftermarket cooler sounds like it’ll be more of a hindrance if we don’t have a thermostat.

[@bimmertec]

M3 cantrol arm I was intall in my 335i car have no cantrol on road after I change again because it's make - Camber tomuch out wheels downside

[@chrisrobles2012]

Just buy the M3 FCAB inserts and the insert tool for $125. You won’t have to align it after. The true M3 arms change the dimensions and symmetry. That is why your alignment is off. You could try to have someone align it to M3 specs first before going back to normal control arms with M3 inserts.

[@1993kawasaki]

so Performance Wholesale at springwood dont have any? or even EFI solutions at burleigh heads?

[@ZeroTo60Tube]

i tried a couple of shops northside, but didnt have time to go goldy. Autobarn said that could get them in a day, subject to couriers, but i needed them that day

[@bavarianhero]

It’s all about the journey 🚀

[@veejay120793]

Is the torque converter the same?

[@85garage]

I’d like to know also

[@rahusband]

Sorry. Anybody got an idea on what other vehicles torque converters are used on a 14 f15? ZF8???

[@nathanielhilden6627]

Hey, how do I order the turbolamik kit? I can’t find anywhere to purchase it on their website and their shop has been down for weeks. I’d really like to be able to put an 8HP70 ASAP because i’m slipping in 3rd 4th and 5th on my VTT F-RB+ PI E85 N54.

[@ZeroTo60Tube]

Where are you based?

[@nathanielhilden6627]

@@ZeroTo60Tube USA… but even with a VPN I can’t seem to get on their shop.

[@SuperHbkforever]

Do you think the 6hp26 is still worth swapping? Or is the 8hp45 the better option? My car is xdrive and both are tricky to source at the moment

[@ZeroTo60Tube]

What power is your motor?

[@SuperHbkforever]

@@ZeroTo60Tube 600 at the wheels. Blew through the stock trans

[@patrickreddy5332]

is it even an option for xdrive? i also have a xdrive e90

[@SuperHbkforever]

@@patrickreddy5332 yes, they make xdrive transmissions in the 6hp26 for the x5/x6 and same goes for the 8hp45/70

[@patrickreddy5332]

@@SuperHbkforever good to know, thank you

[@edwardwerley8831]

Andrew, quick question for you. Looks like the F30 8HP45 has the same rear trans mount as the E9X N54 6HP19/21, correct. My 8HP45 is from F10 535i and the rear trans mount looks completely different and I do not think will line up. Can the 6HP19/21 rear trans mount bolt to the 8HP45 from F10 535i?

[@ZeroTo60Tube]

I believe so. But i can't remember exactly. I can't even remember whats in this video to be completely honest.... :S

[@edwardwerley8831]

@@ZeroTo60Tube no problem. I completely understand. You videos are amazing and very informative. Hope you keep them coming!

[@StratoJohn]

Sorry to hear you're having to sell one of your businesses 😢 hope everything pans out

[@ياسرمنيرعبدالحافظعبدالله]

Can I replace the 6hp21 for bmw e65 with 8hp???

[@jamest5149]

Do you use the OEM ZF Lifeguard transmission fluid?

[@ZeroTo60Tube]

no we dont

[@R3llim87]

I know its been a while, but have you looked into if its possible to run the E84 8hp45 with an N55/N54 car? This is one of the few 8HPs offered in an E chassis, and I have heard rumor it can work in an oem conversion/install. Cheers

[@ZeroTo60Tube]

I havent had another go at it. But i know a lot of people that have. Im not aware of anyone successfully doing the swap yet.

[@marcusderbyshire]

Hi bud brilliant is there anyway I can contact you directly from here in the uk

[@ericrusnak3201]

What is the consensus on the Guru Autowerks 6HP26/28 kit and is this a viable option for big power on a e82?

[@ZeroTo60Tube]

Its a great option for power. But i just dont know why you would do a 6hp28 when you can do a 8hp70/75.

[@josesebastianpinto762]

I bought an 8hp45. I will replace it with my 6hp21, which touch converter should I use 8hp or 6hp? my car : bmw 335 n54 flowmax + turbos tune by jsrtuning . greetings from Chile

[@ZeroTo60Tube]

A 6hp converter will not fit a 8hp. So you will need to use the 8hp.

[@josesebastianpinto762]

@@ZeroTo60Tube my flywheel its 8 bolts... any recommendation for adapt to torque converter 8hp ?

[@stephen865]

wonder how hard it is to put a 8hp in a fg falcon

[@ZeroTo60Tube]

There are a few out there in the wild now. We have the bolt in adapters on the 8speed.au site.

[@kkarnis3791]

Excuse me mechanic. Do you fit a thermostat when doing a trans cooler?

[@ZeroTo60Tube]

Nope, here in our climate definitely not needed

[@kkarnis3791]

@@ZeroTo60Tube would it help with warm up though? Down in VIC anyways.

[@ZeroTo60Tube]

@@kkarnis3791 I mean it would, but does it matter that it takes 10 mins to get to running temp instead of 7 mins. I find the trans really warms up with the engine anyway. At the end of the day they are bolted together, the trans is a big heat sink for the motor.

[@boccamokg1829]

So my 335i is a 2008 N54 DCT, how do I tell which gearbox it has?

[@ZeroTo60Tube]

All n54 DCT have the same DCT box

[@jodyestevens9911]

is there a big weight difference between 6hp and 8hp?

[@ZeroTo60Tube]

They feel about the same, but i havent weighed them

[@valentinlukanov2358]

ZF spec's says 8hp is 20 kilos lighter than 6hp

[@isaacgaleno181]

can you drop a cost list please very interested and no sure how much i need

[@ZeroTo60Tube]

Did you see the costs video?

[@mostwanted6379]

does the 6hp21 good for 600hp+?

[@Meatcleaver101]

What do we think of M4 Competitions in general?

[@ZeroTo60Tube]

M4 csl? I want one more than anything

[@Meatcleaver101]

@@ZeroTo60Tube Just watched a vid on it (M4 CSL) and was like OMG.. How fuckin cool is that shit... Apart from the Bugs Bunnies teeth front end .. The ascents of red are as cool as shit !!! ... 550 of torque, 100kg less than the Normal M4 comp... 0 - 60 in 3.66 is like Ooops I need tissues... lol

[@Meatcleaver101]

@@ZeroTo60Tube Sorry I can't give you a heart comment .. But I'm with you all the way

[@M3Kiel]

What trans cooler did you go with?

[@ZeroTo60Tube]

Just a generic china one.

[@iSwaggs2000]

Question: Would this swap work with an X drive 335i?

[@ZeroTo60Tube]

Yes! There is a guy in the states who has done a 8hp45 in to a e90 xdrive

[@lextaylor5661]

Hi, so I'm not sure if you can (or want to) help me as I have a 2016 ford xr6 non turbo with a 6hp21. I'm just interested in putting an external cooler on it but I've had conflicting answers as to the size of the transmission cooler outlets. Apparently on the 6HP26 they are 16.4mm OD. Do you know if the 10mm ones on the beemer 6hp21 are the same on the ford 6hp21?

[@ZeroTo60Tube]

I dont know the falcon specs, sorry. However Aeroflow will.

[@Cevium]

@ZeroTo60Tube 8hp plug from turbolamik fits through the same hole @18:17?

[@ZeroTo60Tube]

I never took the 8hp one apart. However I am fairly confident it would fit

[@Cevium]

@@ZeroTo60Tube can you please remind me where did you leave the 3d printed 6hp plug? Inside the cabin, right? I would like to do the same...

[@TheBeastgp]

Can the 8hp45 handle more power than the 6hp21 ?

[@ZeroTo60Tube]

No, definitely not. There are 2 partiuclarly weak clutches in the 8hp45. Due to the packaging on those small clutches the friction surface area is quite small. However BMW 8hp45 TCU is very good at masking torque reductions, which gives it the feel of a higher power handling. Im personally not a fan of the 8hp45 after doing around 100 8hp swaps now.

[@BassFraud]

I’m going to be a tad selfish here and ask if you can show us a step by step video how to rebuild a 6HP21 🔥 haha it would be great to resell

[@BassFraud]

And or how to build the N54 😆

[@iboost1028]

Wait so I can buy a f30 N55 335xi to use in a e90 N55 335xi!!!!??????👀👀👀

[@ZeroTo60Tube]

Basically yes!. You would use the e90 transfer case, and the F30 8hp. Check out the pinned coment, a guy in the states has already done this with his e90 xdrive

[@leonnaidoo1207]

Would this be a good option for my 17T car? Is the gearbox the only thing that's needed? What about the torque convertor and flex plate ?

[@ZeroTo60Tube]

Converter and flex plate should be the compatible. You do need the controller.

[@ZeroTo60Tube]

And if you run port injection and e85 I wouldn’t recommend this

[@leonnaidoo1207]

@@ZeroTo60Tube haven't fitted the port injection yet but plan to use maybe e40 mix or so

[@leonnaidoo1207]

@@ZeroTo60Tube can you comment on CANTCU vs TURBOLAMIK

[@platanogarage]

@@ZeroTo60Tube is there a reason why ? I’m building my car 335i for 800, I want to stay auto and I was thinking the 8hp over the 6hp diesel trans

[@Mp-jw1qg]

im having trouble finding the rear transmission housing for the 8hp70 swap, can you help source?

[@ZeroTo60Tube]

Did you mean the bracket or output shaft?

[@Mp-jw1qg]

yeah i meant to say the transmission crossmember lol

[@ZeroTo60Tube]

@@Mp-jw1qg I used my original cross member. Just got a bracket (the part that bolts from the box to the trans mounts) from a 330d e90. ECS have them in stock.

[@Mp-jw1qg]

@@ZeroTo60Tube i didnt even think to look for a new one , my cheap ass was lookin on ebay hahaha. thank you !

[@sepoldj]

Very interesting vídeos mate. Do you know if someone ever tried to install a 8hp45 or 50 from the f30 320D on a e46 m47 150hp? Thank you and keep the great job 😍💪🏼

[@ZeroTo60Tube]

I honestly dont, however i am looking in to diesel trans swaps right now.

[@sepoldj]

@@ZeroTo60Tube after some research I think the engine flange, where the GBX mounts, has the same dimensions on both m47 and m57 engines. So I would guess the adaptor plate made for m57 block would work on the m47. If someone could confirm it. Another question I have is, from where can I get CAN signal for the tcu, from the ECU itself? Does it need some kind of adapter or direct connection? Thank you and keep that great job man 💪🏼

[@BEAMERNOOB]

do i spy a style 400m wheel in the back?

[@ZeroTo60Tube]

took me a while to google 400m, definitely none in out shed. You may have seen the flowmax cars stock rear wheels

[@cezexcezex9888]

it is posible to convert my 6HP32 in my e65 to 8HP ?

[@ZeroTo60Tube]

With enough money anything is possible. So yes

[@art_n5x]

If you guys are looking to get rich, partner with someone and sell these kits they are becoming high demand

[@ZeroTo60Tube]

Yeah, i wonder what caused the spike in demand this year.

[@muhammetemrecakr5391]

help man i have an audi 3.2fsi quattro it has 6hp19 transmission can i convert it to 8hp55 transmission can i translate Thank you

[@ZeroTo60Tube]

Im sure it is possible, however, it is not something i have looked in to.

[@muhammetemrecakr5391]

@@ZeroTo60Tube thank you very much for your interest can you research it for me once

[@ZeroTo60Tube]

@@muhammetemrecakr5391 no i can't sorry.

[@muhammetemrecakr5391]

@@ZeroTo60Tube thank you

[@Hyngyynj]

So many numbers

[@juangastelum4527]

Help the US guys with the measurements lol

[@macdude3585]

Get a banjo one

[@tighematthew]

Where is Dave's M5

[@ZeroTo60Tube]

Out the front feeling lonely.

[@tighematthew]

@@ZeroTo60Tube hope hes taking it to euro day..

[@ZeroTo60Tube]

@@tighematthew Right now its not looking like either of us will be at Euro day, which sucks balls.

[@tighematthew]

@@ZeroTo60Tube really that sucks.. im hiring a Mercedes to fit in 👌

[@muhammetemrecakr5391]

can I do it

[@danmoores4785]

25th?

[@romuztek]

last

[@ZeroTo60Tube]

Better late than never

[@patrickklos9704]

Third

[@mrm830]

🙋🏻‍♂️first

[@ZeroTo60Tube]

That has to be one of the quickest FIRSTS ever!

[@mrm830]

😂