How to Build a 300whp BMW B48!
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- เผยแพร่เมื่อ 31 ก.ค. 2024
- We have curated an entire B48 mod course that goes in-depth on each of these mods + mods that can put your B48 at 350+ WHP! We've spent hundreds of hours researching, so you don't have to. All of your questions will be answered AND if not, you have direct access to us through our BMW Tuner's Community. bmwtuning.co/courses/bmw-b48-...
Join our FREE BMW community today and experience the ultimate camaraderie among fellow BMW enthusiasts! Connect, share, and revel in the passion for the iconic BMW brand with like-minded individuals who share your love for the ultimate driving experience. community.bmwtuning.co/
The BMW B48 engine is undoubtedly a masterpiece, blending efficiency with impressive power. But as with any marvel, there's always room for enhancement. Whether you're an avid tuner or just exploring ways to squeeze out more horsepower, this video is your ultimate guide to maximizing the potential of your B48 engine. Join Zach as he takes a deep dive into the world of performance upgrades tailored specifically for the BMW B48 engine. We'll not only unveil our top picks but also explain the science and benefits behind each modification, ensuring you make informed decisions that suit your driving style and ambitions.
The article linked below, written by us, is a more in-depth guide on BMW B48 Performance Upgrades:
bmwtuning.co/b48-tuning-guide...
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00:32 - BMW B48 Specs and Background
02:11 - The Best BMW B48 Upgrades #1 - Tuning
03:50 - The Best BMW B48 Upgrades #2 - Intake
05:07 - The Best BMW B48 Upgrades #3 - Downpipe
06:59 - The Best BMW B48 Upgrades #4 - Fueling
08:54 - The Best BMW B48 Upgrades #5 - Charge Pipe
09:28 - B48 Max Power Output - ยานยนต์และพาหนะ
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great video.very informative.....had to sub for more content....thanks
M - Thanks for the feedback and support!
nice video thank you :)
M - Thanks for the feedback! We hope it helps.
just an update for you and everyone, got the catless in and a xhpflashtool stage 2 ontop of my existing mods
MST INTAKE
FTP CHARGE PIPE
BM3 93 OCTANE STAGE 1
car pulls like a dream
xhp has deffo helped with mid range and high range pulling power, low down pulling was never an issue after stage 1 ecu tune, but the tcu tune has done alot imo
Sanjeev - Nice! How much are you putting down?
@@8020Media no dyno as of yet going to do dyno once new turbo and forged pistons in, before and after
But based on rough calculations 290 to 295 Bhp, bm3 is stage 1 93 octane on 99 ron fuel
And 420ish nm of torque
Keep us updated!
i also got some forged pistons and rods for my b48 supra, planning on making it a 4pot beast. would you mind sharing your compression ratio @@Reaper_f30
Hope MHD would provide OTS maps for the B48 in the future! B48 price and fuel economy makes it for great daily cars!
BM3 supports the B48 right now - not sure what's taking MHD I thought they had been working on it for some time now but still nothing public yet. There's also this MG Flasher company which honestly I don't know too much about. If you can afford an extra couple hundred bucks then getting some custom tunes is a great option.
Hello ,to France
b48a20t1
same engine on m135i to 128ti?
@@dangdong3832 no 135i is either n54 or n55
@@BassFraud F40 2019 to 2024 b48
@@8020Media I use MG with OTS map and I think is good.
Great video please keep the b48 vids coming
Got rhe f3p 320 b48 instead of the 330 cause like yoi said modded sams car pretty much saved me 3 to 5k 😊
F30 320i lci b48 m sport 2018
Mods for performance thus far
FTP charge pipe
MsT intake (would your recommend getting ftp small turbo inlet pipe?)
Bm3 stage 1 ots 93 octane
Catless donwpipe pending being made right now on back order
That's awesome, good luck with the build! We'll certainly keep producing more B48 content, we've got one in our garage ourselves!
Same brother I’m exact on your mods. 2018 330i xdrive b46
Mst intake
Catless DP (waiting for install)
Ftp turbo inlet (shipping)
BM3 ots stage 1 93oct
@@Dmoneydontplay nice one,, ahh i have the downpipe on the way and need to get the inlet, i have the intake and pipe though, you must be pushing 300hp now, if im on 284 to 290, ill always be a little behind a mapped 330i till i get a custom tune
Can you please do something on the m235 models. I’ve been looking for guidance on modifying that engine.
Nick - Depending on what year, these might be helpful:
bmwtuning.co/ultimate-bmw-b48-engine-guide/
bmwtuning.co/ultimate-bmw-n55-engine-guide/
great video! I've got a g20 330i and I want to push around 300-350 whp. Im planing on buying a VRSF or IPOSM down pipe, ECS charge pipe, and AWE exhaust system. Is that enough to push 300 whp or more? and if so what tune would you recommend for somebody that wants a nice daily, sporty, reliable and quick 330i because tunes are confusing.
B - We give you all the mods to get to 300whp in the video. We also have an article on our website to assist with this: bmwtuning.co/b48-tuning-guide-300whp-for-1500/
Would everything you said apply to the B46D as well? I’ve heard it’s basically the same engine
The B46D is also referred to as the B46TU which you might find more info on - but yes power gains might differ slightly but all of these mods are applicable to the B46 too. This is a solid article too explaining some of the differences: www.bimmerworld.com/About-Us/BMW-B46TU-B58TU-Differences/
Do you need any additional addons to go from 93 to e85 ? Or is it just a tune ?
The B48 fuel system is quite capable from the factory as it's the same setup as the larger, more powerful B58 (less 2 fuel injectors, of course). Exact limits vary significantly depending on how much E85 you're planning to run. The B48 can handle about 300whp on full E85 or 375-400whp on E30. Add about 50-75whp to those numbers if you have a B48TU with the 350bar fuel system.
Up to that point you just need a proper tune to support your desired E85 blend. Once you reach those limits, you'll need to consider HPFP/injector upgrades, port injection, water-methanol injection, or some combination of those.
I have a cts turbo catless downpipe, bm3 flex fuel kit, FTP turbo inlet pipe (cut and customized to fit turbo), and im450 turbo installed on my 2019 330i with a custom e-25 tune from Navardi. Hoping for 390-410whp once tune is dialed in. I got 314whp, 380wtq on a custom stock turbo e tune and 295whp on ca-91 tune.
Star - Thanks for sharing your build. Sounds like you've got a good one!
Hi I am trying to choose between the IPOS IM500 or the bigboost600. is the IM450 you got reliable and good quality? Do you think it was worth it and how much power are you making now? Thanks I would really appreciate any feedback.
@@user-tq1hk3gh5d bigboost 600 and im500 both gonna be laggy so be ready for that. Im450 is fun and like stock until you step on it, gonna dyno it next week on my e-25 map and post results for whp
I know you cant be penny accurate on these things but what do you recon the bhp limit is on a stock b48b20b motor with a hybrid turbo (no electric) with 99 RON? Running all supporting mods: decat 3 inch exhaust, intake, heat exchanger upgrade, b58tu fuel pump, charge pipe. Thanks.
It's true you can never be penny accurate on upper limits since it really depends on a lot of factors. Unfortunately, it's even more challenging on the B48 since there's so little data as many haven't pushed the engine much beyond a tune and basic bolt-ons.
Anyway, I'd say about 375-400whp would be a relatively safe limit on the B48B20 with E85 blends and/or a good WMI setup. On standard pump fuels, I'd probably keep things closer to the ~350whp mark.
Also another question
If I get to stage 2, do a say a pure turbo upgrade, and get forged pistons (crankshaft and rods forged already right??) Then get a custom map could I push say near 5 to 600 whp? None ethanol mix, cant be bothered with that just wanna run 99 ron fuel like I do now
I think you'd have to go pretty aggressive on the turbo to hit those power levels. BigBoost has a kit (the BigBoost600) that has dyno'd 513whp but you're going to need something like this forged internals kit (navardituned.com/en-us/products/b48forgedkit1) and a lot of other modifications to hit those levels. And the question is going to be reliability at those power levels.
Ultimately, you're probably looking at like $10k in parts alone if not $15k and then toss labor on top of that to pull the engine, do the internal upgrades, and so on and at this point you might as well just go get a B58 that can make 500whp with a tune and some bolt ons. So the answer is, yes it can be done, but the problem is it's cheaper and more practical to just go get a B58 at that point.
Thank you for that insight will definitely be looking into it, yes thos numbers are to ambitious for the 4 cylinder you are correct. I'll try get to 400 to 450whp reliably then leave it at that thank you for the link
Keep us updated on this!
i just bought a 2020 bmw 300i x drive and i really wanna tune but but i am confused as at some places it is written as b46 engine and some b48 i am really confused as to what tunes i buy can u please help
G - Best thing to do is to look up your VIN. That'll tell you what engine you have.
What's your opinion on JB4 piggyback voiding a warranty? I just bought a 2021 330i with 30k miles on it and bought an extended warranty. I really want to do a tune but im afraid if something happens BMW will be able to look into logs and notice changes in boost, timing, etc. They say that the JB4 can be removed "without a trace" but i don't know if i believe that.
S - It can be removed without a trace. We own multiple of them. However, we aren't going to tell you to do it because honestly it's at the hands of the dealership.
great info, thank you.
but can you get into more details between 330i and 330e. 330i has 255 hp, 330e 288hp (B46). if its the same engine, and if 330e has 88hp electric motor, then 330e must have been detuned to 200hp (??) vs 255 (as 330i). so if 300hp max tune option for 330i, does it mean 330e can be tuned to 343hp (288+55) ????? probably not, but wanted to hear ur opinion.
Thank you.
AJ - That is actually a pretty interesting topic that has a somewhat complicated answer. First, it is important to distinguish whether you are talking about the F30 330i vs F30 330e or the G20 330i vs 330e. Assuming that you’re talking about the G20 models based on the horsepower figures that you gave, both the 330i and 330e use the B48B20B according to RealOEM, however, the part number for the short block is different between the two engines. The G20 330i’s short engine part number is 11002461946 while the 330e’s part number is 11002470903. Another interesting finding is that the configurator for the 2023 330e lists it as having a 181 horsepower 2.0L inline-4 with a 107 horsepower electric motor, totaling 288 horsepower.
That leads me to believe that the newest model G20 330i uses the 255 horsepower B48B20O1 variant, while the newest model G20 330e uses the 181 horsepower B48B20M0 variant in combination with a 107 horsepower electric motor. The B48B20O1 apparently uses stronger pistons and has a revised compression ratio due to the additional boost pressure.
Older G20 330i and 330e models used the same B48B20B variant and you are correct in saying that the engine in the 330e was detuned in order to compensate for the electric motor’s power. With that being said, like the most recent 330i and 330e, the 330e had slightly weaker internal components due to the engine’s lower output so to answer your question, no, the 330e can’t be tuned to a higher degree than the 330i.
If you are interested in learning some more about the differences between the G20 330i and 330e, check out this forum post that breaks down the major differences between the models' drivetrain components: g20.bimmerpost.com/forums/showthread.php?t=1762993
Hope that helps!
@@8020Media i just bought a 2020 bmw 300i x drive and i really wanna tune but but i am confused as at some places it is written as b46 engine and some b48 i am really confused as to what tunes i buy can u please help
I have a bmw 120i b48 2019 can I safely run a 300bhp tune, i dont mind adding a sports cat but would i need forced internals or not
R - We have an article on our website that may be helpful here: bmwtuning.co/bmw-b48-max-boost-stock-turbo/
Would a 420i upgrade results in the same ballpark hp compared to 430i upgrade?
T - It would be close, but less reliable.
got a 420i, will it harm the engine maxxing it out to 300+hp?
I mean not particularly but things do tend to break more frequently when you are tuned and running more power. Like you'll need spark plugs and ignition coils more frequently, probably makes it more likely you bust a water pump, that kind of stuff so generally I'd say maintenance costs go up but no you're not going to do any serious harm to the engine and internal components themselves.
How do I find out all that information I have a Supra 2.0
M - What info are you looking for?
I just purchased a 2024 RWD 530i M Sport with a B48 engine. I can't seem to find anything online for my car. I'm assuming the 2023 is the same engine, and perhaps those mods would work, but when I contact shops online they can't recommend anything because the engine maybe different. If anyone can recommend me a performance cold air intake, or a dry performance drop in, I also would like a magnetic aluminum oil drain plug. After break in period I would also like to do a down pipe. Muller delete exhuast, and tune. The Dealer offers a Dinan tune with warranty. Any help I would appreciate 🙏
Eric - With such a new model, it may take some time for aftermarket companies to develop parts.
@@8020Media thank you for the reply
Absolutely! Keep us updated on your build.
I have a 2022 228i bmw I want to mod it any help?
Alex - what advice are you looking for? I'd recommend starting with what we suggest in the video.
Weird my us spec g20 330i has a b46b20b not a b48 but both internally are the same engines us spec b46 is rated at 258hp not 255 like the b48
H - Thanks for sharing this insight!
I plan on doing every thing but the E blend
Pluto - Keep us updated!
@@8020Media I might just do that but im I judge myself too hard. I'll probably delete every video.
Does this apply to the B46 engine in the 430i
L - They would be similar parts, yes.
Am I the only one watching for my mini ?
Francis - There have been multiple comments referencing the mini! The engines are certainly similar.
I too am watching for my f56 mini!!
It’s my girls mini 😂
Same! Looking to see what can be had from my Cooper S.
Nope....
You said you can make 350+ on the n20 how come this motor is only 300+ isn’t the b46 a better motor ?
S - We will add the B46 to our list!
@@8020MediaI would love to see that or content with it not many people go hard on the b46 platform
Can my 2018 bmw x2 take e85
Yes - check out this article for more info: bmwtuning.co/b48-fueling-upgrades/
No chance to reach 300whp without e85/e30 with stock turbo?
If you crank up the boost and run 93 octane you can probably get to it or pretty close to it. Just wouldn't necessarily recommend pushing the turbo that hard.
@@8020Mediaso if I were to skip e85/e30 the safest amount of power to push is about 280whp?
zay - Around there.
@@8020Media would you recommend going past 260whp(with all mods downpipe, tune, charge pipe, intake e85) on the 170kw version? Or should I just forge the pistons at that point?
Zay - We probably wouldn't advise pushing that much, but forged isn't a bad idea if you are wanting to do that.
Does the b48 come in the 2020 530i ?
Yeah
F - yes it does.
How do I get to 500+
E - On a B48? What's your budget?
🤣
Heard 20i models have the B48B20A with a higher compression ratio of 11, seems risky to tune up to 300whp.
J - It is always "risky" to increase power on an engine. However, this is great insight, thanks for sharing.
@@8020Media Did you hear about B48B20A blowing pistons on a tune ?
I own a 120i with B48B20A (11.0:1 compression ratio) and was looking forward to tune it but now i’m not sure about it.
J - Assuming the B48B20A you are referencing pushed the limits to be able to blow the pistons.. A tune can be very beneficial for an engine so long as you don't max out boost..