Gen 1 B58 vs B58TU? Which is better for Tuning?

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How to know with B58 Version you Have: • How to tell which vers...
Comparing the 1st Generation and 2nd Generation B58 from a Tuning standpoint
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[@kern417]

Order your discounted BMW parts through my BimmerNetwork Affiliate Link (Coupon Code "kern417"): www.bimmernetwork.com/?afmc=kern417&

[@B58_Nick]

This is probably the most important video I’ve watched so far on my b58tu, thank you alot man🤝🏻

[@kern417]

thanks for watching

[@PistonPlay]

One of the best detailed video I’ve ever seen to explain both Gen 1 and Gen 2 well done

[@adamqaisar]

From the Supra community, thanks for all the info buddy. Currently on 430 whip with a 2-port Supra

[@kern417]

🙏🏾 hopefully i can get one one day

[@Not_jdm_af]

2 port b58b30c gang

[@borderwave2]

It’s crazy how far the B58 has come in a few short years. Savagegeese did a dyno of a stock 2022 Supra and it did ~400whp 100% stock. 2022 cars are making what stage 1 cars are making a few years ago.

[@g.thandi824]

Amazing videos Very clear, concise and straight forward You make this information easy to digest Thank you

[@milanmarca]

Really insightful. Thanks man.

[@vsmk5512]

Keep up the good work, great content, knowledgeable and informative

[@kern417]

🙏🏾

[@minnronfire]

Dude that big spooly is FUGGIN HUGEEE awesome build

[@ParkerTheRapper]

I can’t explain how much I love my M240i does a bit of everything very well plus e85 is too fun

[@Tunechimar1o]

What year did u get ??

[@ParkerTheRapper]

@@Tunechimar1o 2018, I have a full review on my channel of it ;)

[@TedsApex]

Hey man I seriously appreciate your videos and the way you explain things. subscribed

[@kern417]

Thanks man. More coming soon

[@edwardnack]

I waited so long for this video Thank you 🙏🏻 so much

[@oJERBEARo]

Idk why I decided to subscribe now. But you have been my source of information for all tuning and general knowledge on my car/engine as well as overall upgrade plans. Love the vids man! ❤️ F22 M240ix here 🤗 Stage 2 bm3 stage 3 xHP boltons with hpfp coming soon

[@kamac1980]

great breakdown! you really know your stuff

[@Woaleck42]

Thanks as always! Braaaaaap pengpeng

[@LichaelMewis]

Very good summary video

[@christopherlewis3615]

Bro I love watching your videos mate! Learned so much. Thanks for sharing your knowledge.

[@darrinyo-mamakimble7002]

Thanks for the info

[@GrecoLoscar]

The F22 is for mi 👍🏽 5hanks for the video

[@technopro-kz4xv]

Nice video as always Kern!! 😉👌🏻 i’m pretty happy with my Gen1 B58, My car has only 45K miles and i’m running MHD stage 1 with xHp Stage 2 and the car is a fast enough beast. i can see that I’m reaching 440hp in the HP meter and 540nm of torque... is that meter on the car screen accurate? Because honestly i’m very impressed with those numbers, and that’s enough for my daily driving tho. 👍🏻

[@kern417]

It's not 100% accurate but if the car feels good and logs are clean that's what matters

[@TedsApex]

@@kern417 This is just my personal opinion and not at all confirmed. But I believe that the HP and torque meter on the iDrive screen shows how much power and torque response you are requesting to the throttle pedal (which is now technically a torque demand pedal) Jason Camisa explains this much better than I can. So I like to think that the numbers show how much pull I am asking the car to do. I'm on MHD stage 2 but no trans tune yet. Still drives really nice and the f22 chassis just wants to rip it!

[@kern417]

@@TedsApex the numbers are set by the tune. The tuner can calibrate 10psi to read 100hp or 500hp. Most tuners do not spend the time and R&D to calibrate everything to match specific hp levels at various amounts of load. Especially in an ots map.

[@TedsApex]

@@kern417 Then the butt dyno it is 😂

[@kern417]

@@TedsApex 😎

[@shaunmcinnis566]

Love my z4 M40i. What a rocket, even bone stock..

[@MarMar-kr9up]

So my 2018 340i isn’t a 6 port ?

[@frankwizard7496]

Just found this video but wow man you clearly know your stuff! I have a question I am in the process of buying a September 17 m140i with the B58M engine which is the gen 1? My question is is this the one to get looking to around 700bhp max no higher

[@RazorEditings]

My car is a BMW M140i Gen 1

[@Not_jdm_af]

Subbed

[@fabiososa156]

don’t the 2020 m340 and newer still have 6 ports

[@theconfidencejourney1666]

Damn…for a video of a talking head, this was insightful. Good info!!! Got a ‘21 540i and looking into tunes

[@shelbyhaiketic4212]

lol good like u have to send ur dme across the world

[@garethmorris2042]

Great video! Just got a 2020 540i with a B58B30M1. Looking to install a high flow downpipe, intake, and Stage 1 tune to not stress the car too much (for now). Would you recommend MHD or BM3 of I decide to stay Stage 1?

[@axriz9613]

Bm3

[@sw2775]

Top man

[@jaimatic23]

Correct me if im wrong but it does seem like the 2-port 11:1 high compression is better for boosting …. Everytime i see the first gen mk5 vs newer 6-port supras it gets off the line quicker or torquer . To me it seems like the 10:2:1 6-port is for higher top end HP.

[@kern417]

correct. higher compression is like a shorter rear end. it does more with less work. the primary benefit of the lower compression engines is they tend to handle more abuse.

[@B58joaquin]

Kern, how to know if I have the higher or lower compression version of the TU?

[@bigpapi88]

Me 1stockf30 vs Mr no hesi m340 race kinda express the difference, I'll just get gen 1 because hesi be multiple issues

[@shelbyhaiketic4212]

So is a gen 1 with a tu pump and e50 tune just as powerful as a gen 2 with a e50 tune ?

[@TUGRA-k6d]

2018 x3m40i here blasttt

[@patthonsirilim5739]

Stock internal b58 with full csf 6 piece cooling kit is probally good all the way to 700whp reliably that what jakie ding is getting on his global time attack car you can maybe get away with 800whp on a drag setup but anymore and it just a ticking time bomb on stock internal the b58 is really strong provided with good cooling at 500-600whp i would consider this level almost stock level of reliability.

[@chrisrybinski4153]

How do eblend tunes compare to M1 injection tunes on a high compression b58TU compare? I have a FBO, DAW ultra flow 6466 with dual jet M1 injection kit on my 2020 Supra. Being that e85 isn’t readily available by me, I was always curious to know if enough methanol injection would supplement the same effects of say an e30 tune with my car.

[@lukasraw]

So which b58 engine should I get in a g30 to leave it stock? Maybe, a minimum tune later and a downpipe, but I doubt that. Thank you!

[@kern417]

both work the same. just depends on what you can afford.

[@RazorEditings]

What do you think I did the following upgrades: CSF heat exchange filter Akrapovic complete system Hjs downpipe High-pressure pump from the Supra I also changed charge pipe and intake various parts I had an MHD 2 Stage and my low fuel pressure pump broke My dream would be to drive safely with about 520-560 hp what do you recommend me ? Greetings from Switzerland

[@kern417]

A turbo upgrade will get you there

[@exooo6638]

Hey kern love the vids, do u think I would have any issue trying to go for 400-450 whp In a 2021 m240i (f series) on the stock turbo ?

[@kern417]

Nope

[@Workin247]

Is a 10 second quarter mile time possible with the g30? I'm looking at cars between 2017 and 2020 that are xdrive. I would need a TU pump, downpipe & turbo? Thanks for making these videos!

[@kern417]

Yes with an ethanol mix

[@jaksacurepic1635]

Great info 👍Is it 1.gen(2015-17) also 6 port and lower comp. ratio ?

[@kern417]

gen 1 is 6 port and high compression

[@FastRedPonyCar]

Great info! I've got an LCI M340i ordered and am currently planning on intake, catted DP, ethanol fuel sensor and running the JB4 with E30 map and calling it a day. Is there anything else you'd recommend?

[@kern417]

xhp if it's available

[@mehsenal4555]

Nice video ,what’s the easiest way to know the engine type ? Or how . Thanks

[@Demoxx1]

The year and output of the engine is a good way to tell

[@roko2190]

great video bud! which engine does the 2018 G30 540xi have?

[@kern417]

Gen 1

[@StefanoSkuSku]

Yow bro, great video. Do you recommend a hpfp on my gen 1 b58? Currently running stage 2 but considering for a hpfp I Use it as a daily Thanks!

[@kern417]

if you want more power, sure.

[@AbeNXC]

Just found your channel, very knowledgeable. Appreciate you making these for us. Do you know if it’s possible to get a sub 9 second 60-130 out of a gen1 m240xi solely on 93 pump gas? No e, no meth. If so what combo of parts should I be looking at to achieve this?

[@kern417]

turbo upgrade and a hpfp

[@AbeNXC]

@@kern417 thanks for the reply. Just binge watched your other vids and saw you’ve already answered this question in some dedicated videos. Thanks again

[@kern417]

Glad to help

[@anything9803]

Hey I know the video is about a month old but what version of the engine is in the 2020 m340i?

[@kern417]

B58TU

[@yaoguanghua]

I have a question, my car is a BMW F36 440I Xdirve B58TU HPFP CSF cooling M poformance exhaust mach5 200cell Stock turbo MHD stage 2+ How can I continue to increase horsepower.

[@kern417]

upgraded turbo

[@STACKZzHOUSE]

Would a b58tu pump on a gen1 allow us to tune for MHD stage 2+ along with downpipe etc or just stage 2 ? New to bmw im coming from Audi. Slowly learning

[@kern417]

Stage 2 is downpipe Stage 2+ is downpipe + hpfp

[@JerzeyWraith]

Excellent video. Can you go into greater detail about reliability? I'm in the market for a daily and I'm currently looking at 19 or 20 440xi Coupes. (No 21 as I am not a fan of the new grill). Do you think the 440s with gen 1s are good to daily with about 450wheel? Or if I am that concerned about reliability, just go for the Supra? Thank you.

[@JerzeyWraith]

BTW, I don't mind upgrading the Fuel pump but I think a turbo swap may be a bit much for daily duty.

[@kern417]

They are all very reliable at that power level

[@demondmiller9862]

Good morning Brotha one more question oh great one 😅 I’ve had my M440 2022 about 9 months 9k miles on it now,I’ve noticed when I’m driving in sport plus plus using the paddle shifters while slowing down by down shifting,once I’m in 3 rd & then 2 nd gear my rear brakes squeak😮 😢 but in any other driving position like eco plus or comfort plus no squeaking 😳 not to mention brake dust what’s a Brotha to do? I don’t wanna void out my warranty by changing my rotors what’s a Brotha to do😅 thank you

[@kern417]

If you have a warranty i would bring it in. It may just need some grease on the back of the pads or something

[@demondmiller9862]

Thank you thank you thank you for putting my mind at ease, this is my first car financed and I planned on keeping her till the end of time lol til a GNX comes along at affordable price

[@marckevinnn]

I have a question… but first just want to say thank you for your knowledge and in explaining how things work. Interested in DAW flow max+ in my 340i with TU pump. Am I able to run OTS from bm3 for the meanwhile until I try to find a tuner for a custom map? I’m trying to plan things out.

[@kern417]

a lot of people do. the best thing is to run logs to confirm.

[@alexplatosz7354]

Just ordered a Flow max and currently have TU pump, did you end up going OTS and if u did how'd it run?

[@universalg_]

Kern how is bootmod3’s integration with Reflex? Would u rather move to mhd for the integration than bootmod3?

[@kern417]

I moved to mhd for that reason. I wouldn't say it's 100% necessary but it is convenient to have the advanced integration that mhd offers.

[@universalg_]

@@kern417 thanks for the response👍🏻

[@bmwsincekid]

Maybe i didnt see the video but did you make video from Flex fuel Installation and how it works etc?

[@kern417]

Only my reflex on the 440i. I'll probably get a different kit on the 340i

[@kern417]

I have made a few videos on how it works though. Check my page

[@bmwsincekid]

@@kern417 But if i Type In B58 Flex Fuel kit There is not a lot off information On youtube at least , I cant find you make video .. i have g30 540i i want to tune with mhd Dont know which flex fuel kit available ..

[@kazooo93]

Honestly I’m looking for something I can daily drive and beat all the local mustangs and I go to rolls. What would yall suggest ?

[@kern417]

both can do that

[@700chavo]

I looking to get a m240i f22 what year should I go with ?? It’s mostly gonna be a roll racing car, hp goal is 600-650 but still reliable to daily to work. X drive or non drive?? What do y’all recommend

[@kern417]

if you want to be able to tune it easily, make sure it's pre-2020. x-drive or rwd can work but rwd will be more traction limited. x-drive is sort of a cheat code.

[@tolgaayazseven9139]

Unfortunately G platform doesn't offer manual for m240s so b58TU was not an option for me. I just got a 2021 M240 with manual, I wanna do stage 1 Tune but car still has 20 months of warranty. Should I wait for the warranty or are there any stage 1s out there that is revertible if anything goes wrong with the car?

[@kern417]

You dme is locked so it's a lot more difficult to tune than older cars. I'd wait personally

[@g.thandi824]

Thoughts on a stage 2 MHD tune for 2018 x3 m40i? Seems like these can be picked up for a great deal. Worth upgrading fueling or no?

[@kern417]

Stage 2 works well. You just need a downpipe

[@losertown2785]

Looking for a new daily 340i with a budget of around 32k is a 2016 340i rwd a good drivetrain for a stage 1 or 2 tune on stock turbos. Trying to stay close to 400 and no e, I don’t live close 😔

[@kern417]

Yep

[@Sharkster32]

Great content. Are the TU cars mainly the xdrive models? And does this only also apply to the US market, and not euro or australian?

[@kern417]

Engine version is based on the platform/model year. kzbin.info/www/bejne/q17Idmusa7-rfJI

[@nicholascimato7278]

Hey what’s up man I got an x3 m40i 2019 I want something that’s very reliable but still get some noticeable power gains is an MHD stage 2 and Cg precision catted downpipe a good upgrade?

[@kern417]

Yes

[@jaydenorellano4458]

I hope you respond to this do you think it’s possible to swap a gen 2 b58 into a f30 ??

[@kern417]

Probably

[@carman69420]

what turbo would you recommend for not adding port injection but just upgrading to the stage 2 hpfp for the gen 1? I don't need anything over 600 wheel.

[@kern417]

Pretty much all the turbo options can hit that with a ds2 and ethanol.

[@universalg_]

DAW V2.5+, Ultra Flow, or Pure800 can easily get you there on DS2 with a good tuner

[@JamesB58]

whats up man i know im late, im worried about tuning my 2020 m340 and having problems all i want is just 500whp you think ill be reliable on bm3 and xhp

[@kern417]

Yes but if you're keeping your stock turbo then you will need methanol or ethanol

[@jmart1153]

Is there a way to pass emissions with a catless DP? I have a 17' 340i with a TU pump and VRSF catless DP. What can I do to pass my emissions?

[@kern417]

Add an o2 spacer

[@daddac]

what's 2024 x3 m40i have?

[@jeffmays7192]

Love your vids!! I have a 2022 x3 m40i with the b58b30b engine. Looking for a turbo upgrade. I was hoping you could give me a recommendation. Thanks, in advance.,

[@kern417]

Just depends on your goals and budget

[@jeffmays7192]

@@kern417 Thanks Kern. Looking for in between 500hp to 550hp from the stock 382hp. I understand a turbo upgrade is what I’m looking for to achieve this. I’d like to upgrade the exhaust as well. As far as down pipe, high pressure fuel pump, intake, charge pipe, ecu upgrade, etc etc. I’m not too sure. It has to be done right. There’s just too many conflicting opinions for me to know what is actually needed do to limited knowledge. Budget? I’m not sure until I see a list or something of what’s ACTUALLY needed to do it properly. 10k? More? I appreciate any help I can get.

[@kern417]

@@jeffmays7192 you can get there with a turbo and downpipe. No hpfp upgrades are available for TU but you won't be limited by fuel in that range.

[@jeffmays7192]

@@kern417 Thanks Kern.

[@dizzzzy001]

What year would a 540i have the b58tu engine ?

[@jdmmaster345]

None Tu are reserved for M-light models.

[@kern417]

Incorrect. Newer 540 have the TU engine.

[@kern417]

kzbin.info/www/bejne/q17Idmusa7-rfJI

[@jdmmaster345]

@@kern417 they have the B58C / B58M1 still a tu I guess

[@kern417]

Yes, B58C and B58D are both TU.

[@demondmiller9862]

Where can I find out what type of engine I have in my 2022 M440?

[@kern417]

It is a B58TU

[@demondmiller9862]

Thank you Brotha I really appreciate you & your knowledge

[@ennegeeniel2401]

Thanks 😊. I have a gen 1 b58 m240. I want to go for a safe tune. Installing hi flow cat and custom tune ONLY. What power and torque levels should We not exceed?

[@universalg_]

You don’t need a custom tune for your low level of mods. Just get an OTS map and a catted/catless downpipe and call it a day if you don’t plan to upgrade further.

[@thebingaling1105]

Hi, I have a gen 1 B58 with a custom tune and XHP stage 3 which was dyno’d at 425bhp to the crank. At what power should I be looking at a HPFP or any other bolt ons? Thanks.

[@kern417]

Just depends on your goals, if you're running ethanol, etc.

[@M-POWER777]

@@kern417 is it a must with tu pump for An ethanol kit?

[@kern417]

No

[@Luis-bv2pi]

I’ve seen B58A, B58C and B58D which one is TU version?

[@kern417]

Both B58C and B58D are TU engines. C is 2 port head, D is 6 port head.

[@moescolla]

Would you recommend an upgraded fuel pump with a 1st b58 if I wanted to run e50? Also do you have an opinion on 200 cell catted vs catless? Thx

[@kern417]

How much power do you want to make

[@moescolla]

@@kern417 450 whp

[@kern417]

@@moescolla get at least a TU pump. Catted is fine.

[@moescolla]

@@kern417 k Thx

[@thoseliters3031]

What cars have the 6 port b58 tu? Is it all the g series ms

[@kern417]

Yes gseries only

[@EraBoyz]

So for my 2020 m340i she would be a b58tu ?

[@kern417]

Correct

[@ANTHONYNI33]

What spark plugs do you recommend for stock turbo stage 2 e40

[@kern417]

Stock

[@ANTHONYNI33]

@@kern417 thanks just got my 540i got stage 1 stock dp for now your vids very helpful

[@abehsieh3483]

How does the S58 compare?

[@kern417]

More fuel, more capacity for power on stock turbos, but uogrades are more expensive

[@arellano7142]

How do you know if you have a TU version

[@kern417]

kzbin.info/www/bejne/q17Idmusa7-rfJI

[@nameless7257]

what f series b58 is best for track use?

[@kern417]

M140 or M240 would be the lightest

[@lookatthatbmw3777]

@@kern417 are they lighter than the z4 m40i? I didn’t know that

[@kern417]

Z4 is G Series (G29)

[@lookatthatbmw3777]

@@kern417 ahhh true

[@LichaelMewis]

Any idea if anyone is working on a gen2 HPFP upgrade?

[@kern417]

not really something being worked on. kzbin.info/www/bejne/iXrNnJ2klNCXjsk

[@johnjohnson1997]

Are first gen b58's good with mileage at 500whp assuming proper maintenance ?

[@joewashington202]

i have a 21 tu looking to make close to 500 what do you recomend

[@kern417]

Downpipe and e50 tune

[@videogazer801]

500 bhp or 500 whp?

[@joewashington202]

@@videogazer801 like to put down 500 to the wheels or close like 485

[@videogazer801]

@@joewashington202 damn, that’s G82 M4 territory….. you’ll definitely need at least custom flex fuel tune and aftermarket downpipe for that much to the wheels.

[@ridewithG123]

Does a 2020 440i have a gen2 b58?

[@kern417]

no

[@g.thandi824]

What about a 2020 g01?

[@TUGRA-k6d]

A have gen1 x3 i want to go 450 what i need to do bro please advise i am from holland

[@kern417]

Downpipe high pressure fuel pump Tune

[@TUGRA-k6d]

@@kern417 will do a 200cell and a proper tune on wich platform do you recormend? Go for bm3?

[@kern417]

Bm3 or mhd

[@turk1998]

May i ask you about b58tu sir how many ethanol that stock tu pump can handle sir right now i run on e60 custom tune is it too much sir ? My tuner is navardi sir

[@kern417]

It can support any amount of ethanol with an appropriate tune

[@turk1998]

@@kern417 hello sir may i ask you sir i got 130716 code on my m340i then the car go to lime mode after that i check with diagnostic and it show “vanos exhaust control fault camshaft jam” did you got this code before sir so which part i need to check first sir🥺 i run with e60 bm3 around 500whp sir today when i go back from work and i pull hard many time but this time doesn’t have any code and any limp mode sir😢

[@kern417]

@@turk1998 swap the actuator from intake to exhaust side and see if the code moves

[@turk1998]

Now my rpm is a bit swing brother it’s around720-820rpm is it normal sir? and if they are broken what it make vanos actuator broke sir now i use engine oil 5w30 is it too thin sir

[@kern417]

Did you swap the actuator from intake to exhaust

[@emrebesinci]

can anyone write wich is better the viodeo is so long and lazy

[@NguyenFamandChavez]

2020 BMW M340I is a low compression 6.ports right?

[@kern417]

Correct, all M340 got the low comp engine.

[@NguyenFamandChavez]

@@kern417 I was trying to flash bootmod3, but forgot the DME is Bench and thought my DME was bricked. Thanks God flash back to stock work. I was sweating 🤣

[@kern417]

@@NguyenFamandChavez 🫣 nice save

[@JJ-dm9tx]

You have to get a shape-up or hair cut it

[@kern417]

Nawl

[@Seredux]

S58 😅

[@PK_M340i_Fire]

gen2 duh. why even ask this question.

[@magnanorris3530]

Hello sir, you seem very knowledgeable in an area I need to become knowedgeable in. I am looking for a BMW x5 with an inline 6, huge horsepower is not so important, as long as I have enough. I look at your video here, please correct me if I am wrong, when I want to drive normally and not hard for the most I am wondering if it is the B58TU (second generation) ? The model I loved reviewed on KZbin was a 2019 which still might be slightly too expensive for my wage, if I cannot get a 2019 with a B58TU, which is the best year and engine I can get for reliability and trouble free issues wise?

[@kern417]

B58 or N55 if you want an older one

[@magnanorris3530]

@@kern417 Hi thank you, I imagine B58 for something newish around 2019 or 2020? When you say "older" are you talking around 2005 to 2009? Before turbo chargers. Will these older ones be less expensive to maintain? I've never had a BMW before, currently have a GMC Jimmy, cheaper for parts but hate the interior cheap quality.

[@Sazonman]

What, bmw model do you highly recommend with the besttttt engine

[@kern417]

if it isn't x58 i don't want it

[@cockapockets]

just bought a 440i gen 1 b58. looking at making 600bhp . any suggestions on parts and makes to get it to that. thanks

[@kern417]

turbo, downpipe, and hpfp

[@cockapockets]

@@kern417 thanks.. on order 😁

[@gabriellaplante1924]

Great content! If i am limitted to 91/94 oct where i live, what do you recommand between gen1 supra (2020) or Tu (2021+)? knowing that i want to start with fbo stage 2 and might get P800 later on. all on 94 oct. keep in mind that i am saving more or less 4-5k for older 2020 supra's.

[@kern417]

All supras are TU. If you mean 2 port vs 6 port the 6 port will make power on pump gas easier