N52 vs N54 Block by BPC Motorsports
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- čas přidán 31. 07. 2024
- Here's a video showing an in depth look at BMW's fleet motor block compared to the premium performance model 335i twin turbo 3L motor. This will cover material strengths, component diameters and measurements, and more. Rods, pistons, bolts, layout and design are all covered in this video.
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I love my E90 330i (N52) - no direct injection or fuel pump issues. One of the last BMW NA 6-cyl engines ever made.
Kiwi TeeTee the n52 has all the strengths of the n54. I dont agree the minor beefier construnction of the n54 outeighs the negatives like direct injection of the n54 that keads to needing difficult cleaning. Thats why bmw went back etc. My n52 has 173000 miles and has never been opened or intake cleaned, runs very smooth and strong.
brandon bentley Add a 6266 turbo with 18 PSI and we’ll see if it has the same strength.
same here! My 330i is at 135,000 miles and still going strong
brandon bentley my 09 n54 has 131k and has never been walnut blasted, has original injectors, coil pack, water pump & hpfp. I’ve driven coast to coast in it twice now and never a single issue and waaay more power at any given time than any n52 out there
@@robhughes8516 you're in luck then
Sounds like the mechanic needs a hug. :(
+Bimmer Performance Center LLC give him a hug or a bonus or something.
insomniscient the guy is way too serious 😂. He’s like Im busy now, imma do it for you guys, but leave me the fuck alone after.
I’m a little late to the video but my 06 330 6 speed N52 is at 267k miles and still going. No deep engine or trans repairs that I’m aware of. Fantastic car and still running strong.
270k
280k engine and trans never opened for repairs maintenance only
was waiting for the punchline, can you swap the n52 head on an n54? has someone done it? is it worth it, or are you better off adding more boost for the time and assuming you need a stand alone dme to run the valvtronic and boost? do you need an MAF to run the valvetronic?
I'd love to see an N54 vs N55 comparison. Thanks for sharing.
This.
would be interested in seeing this
Absolutely! Great engines,, N54 amazing ✅
Definitely I want to see this.! I working right now with one N55.
N54 forged lighter weight internal, N55 cast internals heavier weight.
For someone who will never need o know this stuff; I find this fascinating
I'd also like to see the N54 vs. N55 comparison. Great video.
very smart video. Its a pleasure to see people that still know what they are talking about.
It's a refreshing change to listen to a genuine engineer on CZcams, so many people think performance yet know nothing about the structural quality of the engine, what works and what needs to be done to make it reliable
...genuine mechanic...
The BMW pen was off an S54 engine. Worked as a pen till the warranty ran out. Now used as a pointer. Thanks for the content.
Great video! Im following your build and tune on e90post. Your shop is awesome. Keep it up.
10:04 the lip on the head gasket is there to separate the cyl.head (Al) from the block (Mg) to avoid corrosion. The can live quite happily together as long as there is no water between them, eg. you're not making a galvanic reaction... Mg and Al are about 0.7V apart in that regard, so this is why 1/4 of the N52 workshop manual is 'dry the hole out', 'make sure the surfaces are dry' etc....
Very nice comparison. Good information to know. N54 owner here.
Wow what a thorough video, love it.
Thanks!
Brilliant simple, professional comparison. Thanks
Thank you!
Make no mistakes, the N52 is very reliable. There are still lots of 325i cars running for 24h races. For the N54 I can imagine the engineers went on the conservative side and left a lot more safety in strength than actually needed because they did their last Turbo car in the 80's. But tuners fear not because there are good indicators that the B58 (340i etc.) does have a lot of tuning potential that even exceeds the N54's.
The N54 is a far better engine as far as tuning capabilities, but say what ya gotta say. The N54 is a far beeffier engine it's built stronger. pay attention to the head bolt diameters and other hardware strengths.
I just stumbled across this channel by accident and I have been tuning bmw motors for the last 20 years, from the 2002 to the current M6 and everything in between. I have created a 330d e46 that can get 49 mpg consistently and also a S54 to 1212bhp plus the M54b30 with forged internals and a bespoke precision turbo with 852bhp, getrag 6sp sequential box, carbon fibre prop shaft, half shafts hood wings and door skins, poly windows 1070kg wet, 10.30s quarters, 0 to 100mph in 8.28s 150mph and faster than the nismo gtr of 2017 round the Nürburgring b2g. All our engines use carrillo h-beam rods, cp or Je forged pistons and acl bearings arp Bolts and nuts cometic head gasketsand custom Newman cams .emerald and ati ecu's, precision turbochargers, lysholm twin screw & centrifugal procharger superchargers. Farndon billet crankshafts
Mworx can you be my frind
So how can I make my n52 make power with no turbo
great video, thank you. answers so many questions.
Fantastic Video. Very detailed and informative.
Beautifully explained.
Thx its very good information!
Nicely detailed man....thanks.
excellent comparison 👍👍👍👍 this is 💯
Great explanation!
Thank you many times, great video, thank you.
In fact that the atomic mass of magnesium and aluminum aren’t that much of difference, I wonder why BMW wanted to make effort on combining two materials to form an engine? It makes more sense to change iron blocks to aluminum because saved almost half the weight!
Great presentation 👍
Very education video, thanks!
You VS the guy she tells you not to worry about🤣
Great video.
What is the weight difference between the two?
Amazing Video 👍🏻
Does anyone know weather I can use an N54 aluminum oil pan to replace my rotted N52 steel pan on my 128i?
I have an e83 X3 sport with a 6 speed trans. Id love to swap an N54 into it down the line for ultimate sleeper SUV fun. Do you guys know how easy it would be?
Any idea the long engine weight difference between the two. Or how much both long motors weigh?
Being that the n52 has larger cylinder bore and valves. Just getting forge internals will make more power than the n54 if you were to use forge induction?
Thank you BPC what a video, although beside all the addicting information. The real question I was hoping to be answered was not.
Will the N52 aluminum mag valve cover work with the n54 head in direct replacement of the plastic n54 cover more importantly how well does copper seal between aluminum and aluminum mag cover if used?
loving that magnesium engine
thanks 4 the video very interesting =)
Would the n54 crankshaft fit the n52 Block?
Hey Dan I am wondering if a N54 twin turbo complete engine from a 2008 would fit into an 2006 330xi AWD (both manual) just looking to get an N54 into my 2006 where the N52 is. Would it be cheaper to buy a 2008 already built! thanks!
thank you for the video i am using my e60 2007 N52B30 stock how many psi can i send?🙏 which is the turbo/supercharger
Hey guys ! I live in Brazil and I would like to know about my N52B30 on 330i E90 How much boost this engine can hold with stock internal parts ? Thanks
Please do the same for N55 - N54
Where Lies the differens in the n52b30 VS n52 b25 ?? The heads look the same please tell me ..dus the cilinderhead from a n52b25 fit on the n52b30 ? Thanks you
Can you guys source the ring gap specs for the N52?
What about cooling on a stage 1 turbo set up with stage 1 fuel pump N52 or N54 would be a better option E92 328 2 coup ?
The head gaskets on the bottom left side on the n54 was squared off compared to the n52
nice write up... curious to see the outcome of the 52...
I still watched and liked video
are the exhaust bolts the same pattern
But can you put an n54 crankshaft, in an n52 for some more displacement 🤔
Can the n54 pistons and rods fit in the m54? Its the same bore stroke. The n54 was derived from m54. M54 has 211 deck with rods 135mm. I n54 rods are 145mm i think. Dont know the deck on the n54. The n54 has the double vanos like the m54, no valvetronics like the n52.
How about building an all motor N53?
Are the pistons forged as well?
can you make one with n54 v n55
The question is why would someone put N52 head on N54 block? What is the reason?
1-How often does the road bearing go bad in the N54.
2- when BMW stopped making forged piston on the n54?
1 - rod bearings rarely fail on an N54 but if they do it is usually due to fuel dilution from bad injectors.
2- BMW never made forged pistons on the N54. In fact contrary to what the tech said in the video, the N54 (& N52) never had forged rods meaning only the crankshaft of the N54 is forged.
Hi, i am having a problem with fitting n52 bedplate, the crankshaft does not rotate, but i used torque settings recommeded by bmw. what am i doing wrong ?
It would be best to contact our service writers to assist you with your needs. They can be reached at (919) 501-2090 or email at service@bimmerperformancecenter.com
Would you recommend putting N54 pistons in the M54 engine? I think that stupid oil consumption shall end this way..
Do you think the N54 should have had a closed deck from factory?
My engine rock's!!🤘 thanks!
Quick question: What is the value of the N52 piston pin off-set ??
I know it's been 2yrs but thats how the stroke is increased
By raising the pin location the connecting rod is longer so it will pull piston down further allowing more volume of air/fuel for more power
The N54 does switch over to a 6 bolt crank past a certain production date in 2009.
Also, what is the power of the n54 engine without the turbos? Im curious since it has lower compression.
190hp without turbos on a N54.
260hp on a N52.
@@huanweili7699 huh?
@@saganworshipper6062 its a engine designed to work turbocharged and the other was designed to work NA, what did u expect, lol?
@@dvls2945 260 hp on an a stock N52 is not reality. Measure it at the wheels not the crank. I own an N52 and even with bolt-ons it's hard to get that number. Also, where are you getting the N54 190hp figure from?
@@saganworshipper6062 I also own a N52 its 233/257/272 hp on stock n52s assuming we talk about 3.0's
N54 has been prepared for more powers sure in fact it seems BMW prepared it for tuning options at least imo. BUT at the same time this engine has huge problems with connecting rods snd bearing shells i mean for gods sake this engine was supposed to be a new 2jz, instead its a success if it survives 100k km's on its own stock. Oil pump issues...jesus these are fundamental parts of the engine it is a disgrace for the whole company and it comes from a BMW fanboy...
Where did i get that n54 NA number from? Assumed the guy above is right cuz its obv that a turbocharged engine without turbos wont be as powerful as a engine designed to work NA...
all N54 engines come with forged parts?
i have 09 February build
Roman Horbal 09 and up aren’t forged anymore.
Does head gasket ever fail on N52 or N54? I hardly every hear about head gasket failures on E90. But of course, I hear all the time oil filter housing gaskets going bad as well as cover and oil pan leaking and of course water pump going bad.
N52 owner here, head gaskets arent known to fail at least in this one, piston rings leak oil and its considered normal plus camshaft bearing ledges are known to get worn out, including the one on the intake side which is a part of valve head itself which means costly fuckin repairs.
N54 on the other hand are known to die quickly - breaking rods etc.
Generally both engines are trash and a thievery end of the story
So which one is better for you? n52 - m54
What are your thoughts on a 2006 530xi wagon? Looking for a reliable daily.. came across this ad. What are some of the main components that I should ask the owner about with regards to maintenance/replacement. From my research N52 was more of the reliable motor BMW made correct. More concerned with reliability than power. What would be a fair offer if everything checks out? Thank you. sandiego.craigslist.org/csd/cto/d/san-diego-rare-low-miles-2006-bmw-530xi/6783122221.html
What happened guys? The N52 turbo kit? I wanna see if I can get at least 500 wheel. I know I’m not gonna get 700 without blowing a whole
et le n53 272 cv ?
I absolutely love my N54.
Basically. you gave n52 325i/xi and 328i/xi guys hope for making big turbo power like the N54 without sacrificing too much reliability, by deleting the GDI and retaining Port injection
So Pistons are cast... but crank and connecting rods are forged. Sweet.
The N54 is turbocharged so it needs to be stronger. On the N52 I wouldn’t have used .magnesium but with proper care (changing the antifreeze on time and using the correct one, or when servicing you need to blow air to clean the coolant so it doesn’t stay on the magnesium surfaces in in holes) it should be ok.
I'd love to see someone do a video like this comparing N54 and N54 to once and for all prove the differences insofar as things like forged vs not forged and all that. Lots of misinformation out there!
And now I know how different they really are.
Are the n54 pistons forged
Some shops say cast... some say forged. Not easy to find out.
Forged pistons and rods, you can tell by looking at the bottom of them that the aluminum was forged with a press, instead of having cast marks.
Can you fit a n54 in a bmw that comes with a n52?
I'd also want to know about that and my interest is in fitting the N54 on a E87 BMW since most tuners are now slapping the S65 into that chassis and I'm curious about the N54 motor...
@@lindabenton1436 that would be sick
@@lindabenton1436 Of course it does, basically same engine just with 2 turbos strapped to it, just get custom fab to connect downpipe to exhaust and you are good, assuming you swap harness and ecu etc
Whats the top mileage ever recorded on an n 52?
johnnyB Good I’ve personally done 160 maybe a little more because it was a long downhill. Took forever to get there and I never hit redline in 6th gear. 6mt
373k km / 231k miles and the engine is still running smooth and strong.
@@dcafanatics1244 did u replace your vanos during that time? what about oil consumption?
@@dvls2945 The oil consumption is something normal until 0,5L depends on the way you drive the car . Related to the vanos, wasn't replaced until now.
@@dcafanatics1244 Every 6 months I add 1L of oil, around 8000 miles. Is that normal?
what about N52 with N54 crankshaft?
sycho wizard that'd be sick
Turbanswag if anyone has a link I'd love this
are the pistons forged on the n54?
i believe only the rods and crankshaft are but i could be wrong. either way very strong setup, records on completely stock motor with a large single turbo have 800+ whp. The rb26 is known to hold 600whp, so the n54 is no joke. 2jz i believe is 1000whp on stock motor
2jzgte about 750whp is the limit to be reliable so 800 plus with extremely good tune, N54 looks like they are cast, but could be forged don't know!
n54.. everything's forged ?
Can you replace in a BMW 128i his N51 engine with a N52 and have no problem down the road ?
noam shimler Same engine block
Read current reviews and they say avoid BMW's with N54 twin turbo engines. Maybe most failures are not with the actual block!
So you throw the N52 head on an N54 and then what? How would you make it work when valves are bigger, bore is smaller and pistons have small recesses? And the dreaded valvetronic, the 335i ECU doesn't even have the hardware support for valvetronic (the module that was once separate but then became part of the DME). This actually doesn't work even on paper.
Built for strength but open deck?
They are rigid as hell, because they run so hot from the factory they desperately need cooling at the top of the sleeve to pull heat out despite being direct injection
just look at the HP figures 850 whp stock block
Who is better??
N52
Are the pistons forged!!!!!?????????!!!??????????
my low miles e46 took a few dumps on coolant system $2000. . $1000 duel fuel pumps, $400 crankcase oil diverter vavle isnt bulletproof like cold climate Canada spec, shocks bushings and control arm 40k miles, wheel bearings $600each, belts slipped off 2x melted rad. Window switches, trunk latch, Dealer service 6yr warranty. 5k yr miles. 99k miles runs better than new w upgrades, not for long. Sold $5500. Bought 19k mi 13 e93is dtc lbm-coral
N54 vs B58?
b58 is leagues better lol
Is the n52 exhaust cam the same as the n55 ?
No sir
7:02 buttholes? jk. Nice video... very informative.
For a port injected turbo build why don't you use a n52 head with a n54 short block ?🤷. People Frank and build the iron block M50 / m52 all the time.
N54 engines ARE reliable. 223,543 miles and still going without any lost compression.
Jhil Ortiz 131k on mine and still on original everything, coils, injectors, hpfp and water pump.... just change plugs and oil/filter ... coast to coast twice and never a single issue
Rob Hughes I am in the process of FBO and later on meth directly to each intake port
but the n54 NEEDS to be stronguer... there is 2 turbos forcing power to that shit... the n52 has nothing to push it beyond what he can do... so in that aspect i think they are pretty equal?
N51 vs N52
Anyone here from 2021?
Open deck blocks😖
Let's make a video explaining the differences of the n52 and n54 but let's use a n51 and describe it's differences....
the blocks are identical?