E39 523 engine swap from E38 740i - Bimmerfest - BMW Forums



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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 09-05-2019, 03:18 AM
Mr.BlooM Mr.BlooM is offline
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E39 523 engine swap from E38 740i

Hi, i would ask some question if anybody do somenthing similar, or have more knowledge then me.I have now E39 with M52 B25 engine, and have E38 M60B40.Both cars are complete, in driving condition.E39 i can register, but E38 i can't register in my country because i am not in EU Union and only could this engine swap thing.Does somebody know what can i leave on E39 and what i have to swap it from E38 becide engine,diff,transmision, etc.This would be my first project afther this i would finish E28 535i, that's easy.I hope for some answers, or maybe some links.Transmition is automatic, for now ).THAHKS.
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  #2  
Old 09-05-2019, 03:45 AM
effduration effduration is offline
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Quote:
Originally Posted by Mr.BlooM View Post
Hi, i would ask some question if anybody do somenthing similar, or have more knowledge then me.I have now E39 with M52 B25 engine, and have E38 M60B40.Both cars are complete, in driving condition.E39 i can register, but E38 i can't register in my country because i am not in EU Union and only could this engine swap thing.Does somebody know what can i leave on E39 and what i have to swap it from E38 becide engine,diff,transmision, etc.This would be my first project afther this i would finish E28 535i, that's easy.I hope for some answers, or maybe some links.Transmition is automatic, for now ).THAHKS.
Very difficult swap. I would sell or part out both cars and buy a 540i if that's what you want. Ship one in from another country if you can.

The M60B40 was never used in the E39 540i.
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  #3  
Old 09-05-2019, 04:50 AM
Mr.BlooM Mr.BlooM is offline
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Originally Posted by effduration View Post
Very difficult swap. I would sell or part out both cars and buy a 540i if that's what you want. Ship one in from another country if you can.

The M60B40 was never used in the E39 540i.
I would buy, but also imposible mission.No one sell it, and in there is maybe 3-4 540i in my country.So if i want to drive 540i this is my only option bro.
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  #4  
Old 09-05-2019, 08:14 AM
edjack edjack is offline
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Would likely be a failed project: this is your first project; the swap itself is very complicated, if not impossible.

Your E39 has rack and pinion steering; the E38 has recirculating ball. At very least, you must transplant the engine and transmission computer (all one board) to the E39.
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  #5  
Old 09-05-2019, 09:24 AM
u.nanimous u.nanimous is offline
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There has been companies that make swap kits to drop GM crate motors into an I6 E39 chassis but to swap a BMW V8 in place of an I6 without having the subframe...how much fabricating experience do you have? As mentioned above the steering is different and you might be able to use a lot of the E38 parts but mounting points to the subframe will be a problem. It will also require beefing everything up, the V8 is heavier and has more power (suspension and brakes).
Either wait for a 540 or rebuild your I6 with some forced induction.

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  #6  
Old 09-05-2019, 11:23 AM
Mr.BlooM Mr.BlooM is offline
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Sorry if I have mistakes in writing, and ih my English is not very good.I don't use it every day.Idea about this swap is mine, and I have friend mechanic who would doing this, he is doing mechanic 25 years total, but here we don't have many opportunity to try that swap engine or make some project cars.We would park car by car, and when we take out everything from E39 .Than we would fit engine from E38 with transmition and electronic installation.He know to weld, and welding and cutting part of job is not he's problem.We would like to know what we can use or can stay from that 523 so we don't need to put in from E38.We don't have time limitation for this swap, and both cars can driving, but E38 we can' t registere so we want to do this.Any advice, links etc are welcome.Thaks everybody for advice and help.Best greetings.
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  #7  
Old 09-05-2019, 11:36 AM
Mr.Yuck Mr.Yuck is offline
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Quote:
Originally Posted by Mr.BlooM View Post
Sorry if I have mistakes in writing, and ih my English is not very good.I don't use it every day.Idea about this swap is mine, and I have friend mechanic who would doing this, he is doing mechanic 25 years total, but here we don't have many opportunity to try that swap engine or make some project cars.We would park car by car, and when we take out everything from E39 .Than we would fit engine from E38 with transmition and electronic installation.He know to weld, and welding and cutting part of job is not he's problem.We would like to know what we can use or can stay from that 523 so we don't need to put in from E38.We don't have time limitation for this swap, and both cars can driving, but E38 we can' t registere so we want to do this.Any advice, links etc are welcome.Thaks everybody for advice and help.Best greetings.
why can't you register the E38?
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  #8  
Old 09-05-2019, 12:12 PM
Mr.BlooM Mr.BlooM is offline
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why can't you register the E38?
Because the car is Euro 3, and we can't buy and import Euro 3 car in Serbia.Owner can drive it and sell it because he is citizen in EU, Serbia is also Europe country but Serbia is not part of EU union.
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  #9  
Old 09-06-2019, 05:00 AM
Mr.Yuck Mr.Yuck is offline
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Because the car is Euro 3, and we can't buy and import Euro 3 car in Serbia.Owner can drive it and sell it because he is citizen in EU, Serbia is also Europe country but Serbia is not part of EU union.
EU blows...
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  #10  
Old 09-06-2019, 06:06 AM
jbarb jbarb is offline
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EU blows...
That would be on Serbia though, they are the ones imposing the import ban.
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  #11  
Old 09-05-2019, 12:11 PM
effduration effduration is offline
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what country are you in? ...even if you get the mechanical pieces of the M60 to fit in the e39, and run, the electrical /computer issues are going to be a huge problem. You could try to use the M60 engine wiring and engine computer in the E39 but it is likely not going to work with most of the elec system of the e39..
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  #12  
Old 09-05-2019, 02:47 PM
777-300ER 777-300ER is offline
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M60 is very similar to M62, however you will need custom wiring and programming, not to mention a completely different front subframe and front suspension.
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  #13  
Old 09-05-2019, 04:41 PM
edjack edjack is offline
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I have never read anything on an M60 swap, but there have been several M62 swaps here in the USA.

Use a search tool to find writeups for M62 swaps. The M60 swap will be different, and the differences will complicate the project. You may be able to solve the differences as you progress.

Do you know a BMW specialist?

The E38 in the USA came with an M62 engine, so we on this forum cannot help you.

You may wish to browse the E32 forum: https://www.bimmerfest.com/forums/fo...play.php?f=181

Or the E38 forum: https://www.bimmerfest.com/forums/fo...play.php?f=156
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Last edited by edjack; 09-05-2019 at 04:43 PM.
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  #14  
Old 09-05-2019, 05:28 PM
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Burning2nd Burning2nd is offline
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you literally have anything you need...

your talking about taken a running car.. taken it apart and stuff'n it in another car and running it..

yes it can be done.. Id start by striping everything
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  #15  
Old 09-05-2019, 07:23 PM
Santaclaus4 Santaclaus4 is offline
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Just use all the parts and make a car from scratch.
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  #16  
Old 09-05-2019, 11:48 PM
edjack edjack is offline
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I'd be willing to bet that the connectors will not mate up.
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  #17  
Old 09-06-2019, 12:54 AM
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Burning2nd Burning2nd is offline
Under the lift arms
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if you take the m60, the harness and the intire car out of the e38 and swap it over to the e39 chasis...

you shouldnt have much of any problems..

Your not trying to run a m60 on a m52 platform, your removing the m52 (striping the e39) and replacing it with the m60

you might need to custoem engine mount, and fuel rail something..

should work like this..

strip the e39 to a shell.... put all of in in the corner, strip the e38 to a shell.. take all of that and put it in the e39


lots of work... defenitlty doable : kindda unrealistic though
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  #18  
Old 09-06-2019, 03:44 AM
Mr.BlooM Mr.BlooM is offline
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Like I say I am from Serbia, even Serbia is in Europe, we are not part of EU Union, because of that we can't drive EURO 3 cars who have licence plate of any country from EU Union.Only owner can drive it here, and he had new car and he don't want more this car.On some sites which sell cars I fould only one E38 740 and he is 6000 euros even that car I see don't worth that price and because month salary here is 200-250 euros buying that E38 from car dealer don't make point because we have this one almost like a gift.Also E39 540 are very rare, maybe a few cars in Serbia, dealers don't have them.So this is only option to make 540 on my own.My friend is old mechanic, he know to cut and weld, we can dismantled car with easy, but before everything I like to ask does we need to put sometning from that M52 on E39 or just torn apart everything and than from E38 put part by part.We would put all engine, transmition, diff, electroinic installation, suspension brakes everything, I just want to know if there are some similaritys in mechanic part of the car or not for example carter or something like that.We would park car by car and that start the job.This is only option we have if we want to make that 540 run.I know some good electrician guys if there be some problem with harness, but I think if we put all from E38 there is not to be any problems or maybe miner problems to solve.
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  #19  
Old 09-06-2019, 03:46 AM
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Burning2nd Burning2nd is offline
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chasis items are not going to interchange..

suspension and brakes exc exc will not be included,

harrness will

good luck
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  #20  
Old 09-06-2019, 03:53 AM
Mr.BlooM Mr.BlooM is offline
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Thanks.I Hope for more answers or guides.
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  #21  
Old 09-06-2019, 12:24 PM
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Burning2nd Burning2nd is offline
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i dont care about the political, or environmental bs : man wants to drop a running e38 m50 in to a running e39 chasis


you guys should be able to pull this together over the internet for this boy..

start rattleing off what you know he is going to need to make that m50 run,

thats the early version of ews, and pretty easy to by pass, He is going to need service manuals from both cars, because he is going to need the pin out data,

come on guys..

i dont mean to sound sarcastic of condescending, i think this is a unrealistic goal, *could i do it? yes in a few days at best. Do i think you should do it? NOT at ALL.. the simple fact that your even asking can it be done.. makes be question can you do it...


so where do you want to go with this? are you committed? do you have money? your friend who can weld... doesn't count or hold any weight in this conversation .. CAN You do it? yes... should you?


should you?
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Last edited by Burning2nd; 09-06-2019 at 12:27 PM.
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  #22  
Old 09-06-2019, 12:39 PM
jbarb jbarb is offline
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After reading up on Euro 3 vs. Euro 4. Would you not run into the same problem with your "540"? It would be running an engine that would not hold up to the emissions requirements in Serbia? Or do they not actually do the emissions test?

Would selling the car on the market that it's currently registered not be an option? There are turbo charger kits for M52 that may be an easier route...
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  #23  
Old 09-06-2019, 01:55 PM
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Jason5driver Jason5driver is offline
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Originally Posted by Burning2nd View Post
i dont care about the political, or environmental bs : man wants to drop a running e38 m50 in to a running e39 chasis


you guys should be able to pull this together over the internet for this boy..

start rattleing off what you know he is going to need to make that m50 run,

thats the early version of ews, and pretty easy to by pass, He is going to need service manuals from both cars, because he is going to need the pin out data,

come on guys..

i dont mean to sound sarcastic of condescending, i think this is a unrealistic goal, *could i do it? yes in a few days at best. Do i think you should do it? NOT at ALL.. the simple fact that your even asking can it be done.. makes be question can you do it...


so where do you want to go with this? are you committed? do you have money? your friend who can weld... doesn't count or hold any weight in this conversation .. CAN You do it? yes... should you?


should you?
LOL.
Such an awesome post !
LOL.
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  #24  
Old 09-06-2019, 02:31 PM
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Burning2nd Burning2nd is offline
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im not gonna lie, Im kinda jealous, I would love to have a running e38 and 2nd running e39 and a case of beer...
id make this a friday night mission
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  #25  
Old 09-07-2019, 06:02 AM
Mr.BlooM Mr.BlooM is offline
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Thanks.We start project, we find somebody who work same thing.
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