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Same process for m340i?

Thanks, it was really helpful

Great video. I don't think people understand just how amazing the cooling setup is on these cars. Being able to run warmer coolant temps at highway cruise and then cooler coolant temps when going WOT for a while is a magical thing. I REALLY wish someone made a retrofit that would use the BMW electronic thermostats in an old engine and a simple controller for them. My one "wonder" on the B58 Gen2 engines cooling is whether the electric water pump that controls the intercooler circuit is really up to the task when you do things like install a 3 pass CSF heat exchanger for the intercooler circuit. (3 pass heat exchangers can dramatically slow the coolant flow rate vs. a single pass design and I really wish I knew the limitations of the stock pump and if there were any aftermarket pumps that could boost the flow rate.)

@Kern417 Any idea what materials and thickness the B58 stock piston rings are using? (I've never looked into what kind of ring materials need to be used with a Nikasil coated cylinder and I'm just curious.)

On B58 cracked ring lands: any evidence on whether this tends to be detonation due to a bad tune / not-enough-octane for the tune vs. heat causes the rings to but / not-enough-gap with big boost? (Curious at what point someone should crack into the bottom end and gap the rings, mostly...)

I think it’s more about longevity of the car or SUV in the long-term. If the BMW X5/X7 can last relatively problem free for 150,000 miles that would definitely be a win.

THANKS for all you do, I learn something new ALL the time!!

I’ve tried expert mode and regular mode but neither seem to get the easy exit working on my 18 430i coupe. Any ideas?

Still waiting kern

Hi does this apply to the 6-port Supra?

Does this guide apply to the B58TU as well?

Feels bad. G42 240i here and still waiting for an alternative to femto. Any updates kern?

I have gen 1 x3m40i 2018 and love i put dowm pipe ; charge pipe and intake. Need help

I got the r3 like 2 days ago and I’ve passed like 4 cops so far on the highway and in city and it didn’t go off 😐 any reason why?

This is some next-level intel...and I don't even own a e90 or later. An older e39 540i but owned a n54/n55 powered car years ago. Looking at at B58 car next year. Subscribed.

Take this video down you are making people do 2 extra steps with bad information.

Yeah great engine crap intake cooling, it easily heat soaks.

Would it be easy to retrofit the extra cooling elements to an eu car that didnt come with them from factory?

Hi Kern, I have a question please what is the difference between 94201 & 95248? I have ST2 on my gen2 340i from France, thank you for your help ;-)

Speaking from previous experience, if you don’t have rock guards for the Inter coolers / auxiliary radiators. I recommend installing them or doing your own DIY guards. There is a rock out there…. Waiting….

great vid! Why do ppl always log at WOT? i have -3 correction most of the time on my 2020 MHD stage 2 supra. Rarely see spikes at -4.5 but thats very rare. Also, most of my timming correction is when im doing casual crusing in lower RPM. Going to try fresh plugs but i dont think thats excessive. What do you think?

I got a weird problem, if anyone could help. I’m running a catless downpipe, mst intake and everything else stock, i’ve started to noticed that after doing a small pull and letting of the gas, sometimes white/ish smoke comes out of the exhaust but only sometimes, coolant level looks okay although i do top it off every other week. any ideas of what i could start testing? or could it be simply the downpipe.

This has got to be your best video yet ty so much for your knowledge!!!

Where did u get the brackets for the front

Finally bought my b58 after a year and a half of research and seeing what’s best for me. Videos like this helped me make an informed purchase and a smart one 👏you’re a dog kern you helped so much, hats off

Hey Kern, I have my car ready to dyno tune this week with the mods listed below and I want to have an idea of how much HP I should be looking at when it's done. My tuner is good, but I want to make sure I'm getting what I'm supposed to lol List of mods: Intake with turbo inlet Catless downpipe Active Autowerke exhaust Charge pipe Dinan spark plug coils X-hp transmission tune stage 2 Fuel-it flex fuel kit (I'll be tuning with E40) Tuning platform will be ECUtek

I like watching your videos when I’m f*cked up

Off topic question. Is it possible to manual swap the 340i and what could be the options?

Thanks Elvis! Informative video.

can u answer y there is no one doing upgraded turbos on the g42 m240 yet?

From the moment those lips twitch I'm in...

I don’t even have a B58, my s58 m3C is my first BMW and when I stumbled on your Channel it gave me so much insight on the tuning world of bmws and I thank you for that. My 2022 m3 is my first BMW and all your videos help me understand a lot about aftermarket world of bmws. Now do a video like this with S58 lol. Keep up the great work!

WOW Thats Detailed review Thank you for your work!! Im Glad im able To support you On Patreon and im Happy i own a B58 Love it ❤❤🎉 i learned a lot from you !! Tuning wise , What to look out for , how to keep car healthy etc 🙏🤙🏼

thicker oil if u live in a hot climate, thinner in cold country.....period

🔥🔥🔥

Bought R4 from Ail express for 274.00

Amazing video. I wish you could do this for S58 as well.

If this just happened to me and I see the coolant spray out the front from the small tank. I am wonder can I drive home? 2 hour drive. Or should I tow? There is no/ac and the small tank is empty now. Large tank full and engine temps fine for now.

Babe wake up kern417 uploaded

Excellent to know. I did finance my car because I could finally afford something nice. Nice knowing I made an awesome choice on a 340i

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Luscious lips and great explanation. Please do an S58 deep dive.

So being the b58 comes with forged internals the pistons they should be 2618 alloy with a high aluminum content, if they are 4032 alloy they have a lower aluminum content, a higher silicone content but they can have smaller piston to wall clearances. If they are cast they are not as strong and more susceptible to damage if any detonation event happens.