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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Swapping n54 to a 2008 328xi anything I need



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      02-23-2017, 08:46 PM   #1
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Swapping n54 to a 2008 328xi anything I need

Looking to remove my n52 engine and putting and n54 anything I should know and do I need a different trans or anything thx
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      02-23-2017, 09:01 PM   #2
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      02-23-2017, 09:06 PM   #3
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Quote:
Originally Posted by Mxndi View Post
Looking to remove my n52 engine and putting and n54 anything I should know and do I need a different trans or anything thx
engine swap in an automatic xdrive?
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      02-23-2017, 09:12 PM   #4
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Yes
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      02-23-2017, 09:18 PM   #5
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How about just buying a 335i and putting a 328i badge on. \_(ツ)_/
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      02-23-2017, 09:39 PM   #6
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Quote:
Originally Posted by Mxndi View Post
Looking to remove my n52 engine and putting and n54 anything I should know and do I need a different trans or anything thx
Nah, just change out the intercooler and you'll be good to go
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      02-24-2017, 04:16 PM   #7
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Yes, a 335i.








Seriously though, it will be less headache to either turbo the N52 or buy a 335i.
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      02-24-2017, 06:49 PM   #8
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First tell us why. I'm dying to know.
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      02-25-2017, 03:09 PM   #9
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Better off just selling your car and buying a 335
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      02-26-2017, 01:27 AM   #10
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Hahahahahahah
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      02-26-2017, 01:45 AM   #11
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Nobody living in Highland Park (Dallas area) has this little sense to even consider doing something so fuckin brainless as this



Unless OP comes back and says he lives in some other Highland Park region of the country....no one in Highland Park would ever buy a 328 in the first place lol
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      02-26-2017, 10:57 AM   #12
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Nobody in Highland Park Dallas does any work on their own cars. They'd be more likely asking which Porsche to buy.
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      02-26-2017, 11:32 AM   #13
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Funny! I'm in Dallas right now and was driving around Highland Park yesterday! Amazing properties; there was nothing on Zillow for less than 4 million!
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      02-26-2017, 05:57 PM   #14
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You need replace everything. Literally easier and cheaper to just buy a new car.
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      02-27-2017, 01:32 AM   #15
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About as helpful as I've come to know this forum to be. What if he got the donor car for free, or the motor for free, or he just you know, likes working on cars instead of buying shit.
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      02-27-2017, 02:05 AM   #16
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Quote:
Originally Posted by Ruddigger View Post
About as helpful as I've come to know this forum to be. What if he got the donor car for free, or the motor for free, or he just you know, likes working on cars instead of buying shit.
That's a good point! Better hope he likes working on cars cause that job just sounds daunting.
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      02-27-2017, 02:29 AM   #17
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Don't know why you guys are bagging on this guy. He's asking for an honest help/opinion.

The reality is, after all the time and money spent, you'll end up spending more than if you had just sold the 328xi, take a little loss, and find a moderately used 335i or 335xi.

The 335i has tremendous amount of more components not found in the 328i. To give you a list, these are the components you'll need to buy if you just buy a long block (N54 motor only, no accessories)

1) exhaust setup - down pipes, and probably complete catback, dual exhaust/muffler etc.
2) vacuum canisters for the turbos
3) turbos and turbo oil lines, coolant lines, etc.
4) high pressure fuel pump
5) intercooler and intercooler piping
6) oil cooler and oil cooler lines, and oil cooler vent for the passenger side wheel well
7) radiator and related
8) all charge pipes for both sides of intake
9) 15ft. of vacuum hose
10) mechanical vacuum pump
11) the oil filter housing with oil cooler chamber/intergration
12) diverter valves or blow off valves if you want to go after market
13) possibly new motor mounts and front subrame... the old 335i subframe before May 2018 would cause belt to shred and sucked into motor when motor shakes and contacts subframe

I probably missed some others but these are just the things to get started.... it'll be a fun project. It's doable, not impossible. Come on, they put a Viper engine in a Honda Civic hatchback....
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      02-27-2017, 02:32 AM   #18
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Quote:
Originally Posted by Ruddigger View Post
About as helpful as I've come to know this forum to be. What if he got the donor car for free, or the motor for free, or he just you know, likes working on cars instead of buying shit.
A first time poster asking this?? Guys c'mon... He's in high school
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      02-27-2017, 02:35 AM   #19
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Quote:
Originally Posted by Rsoxs19 View Post
How about just buying a 335i and putting a 328i badge on. \_(ツ)_/
Lolol
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      02-27-2017, 03:39 AM   #20
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Quote:
Originally Posted by nukezero View Post
Don't know why you guys are bagging on this guy. He's asking for an honest help/opinion.

The reality is, after all the time and money spent, you'll end up spending more than if you had just sold the 328xi, take a little loss, and find a moderately used 335i or 335xi.

The 335i has tremendous amount of more components not found in the 328i. To give you a list, these are the components you'll need to buy if you just buy a long block (N54 motor only, no accessories)

1) exhaust setup - down pipes, and probably complete catback, dual exhaust/muffler etc.
2) vacuum canisters for the turbos
3) turbos and turbo oil lines, coolant lines, etc.
4) high pressure fuel pump
5) intercooler and intercooler piping
6) oil cooler and oil cooler lines, and oil cooler vent for the passenger side wheel well
7) radiator and related
8) all charge pipes for both sides of intake
9) 15ft. of vacuum hose
10) mechanical vacuum pump
11) the oil filter housing with oil cooler chamber/intergration
12) diverter valves or blow off valves if you want to go after market
13) possibly new motor mounts and front subrame... the old 335i subframe before May 2018 would cause belt to shred and sucked into motor when motor shakes and contacts subframe

I probably missed some others but these are just the things to get started.... it'll be a fun project. It's doable, not impossible. Come on, they put a Viper engine in a Honda Civic hatchback....
There's also all the electronics (DME and CAS with matching keys), as well as needing to modify the wiring harness or swap in the entire vehicle harness from the 335.
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      02-27-2017, 12:51 PM   #21
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Quote:
Originally Posted by Black n54is View Post
A first time poster asking this?? Guys c'mon... He's in high school
I concur. If he did get a donor car/engine for free or any of those corner cases, he would've said so by now.
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      02-27-2017, 04:16 PM   #22
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Quote:
Originally Posted by nukezero View Post
Don't know why you guys are bagging on this guy. He's asking for an honest help/opinion.

The reality is, after all the time and money spent, you'll end up spending more than if you had just sold the 328xi, take a little loss, and find a moderately used 335i or 335xi.

The 335i has tremendous amount of more components not found in the 328i. To give you a list, these are the components you'll need to buy if you just buy a long block (N54 motor only, no accessories)

1) exhaust setup - down pipes, and probably complete catback, dual exhaust/muffler etc.
2) vacuum canisters for the turbos
3) turbos and turbo oil lines, coolant lines, etc.
4) high pressure fuel pump
5) intercooler and intercooler piping
6) oil cooler and oil cooler lines, and oil cooler vent for the passenger side wheel well
7) radiator and related
8) all charge pipes for both sides of intake
9) 15ft. of vacuum hose
10) mechanical vacuum pump
11) the oil filter housing with oil cooler chamber/intergration
12) diverter valves or blow off valves if you want to go after market
13) possibly new motor mounts and front subrame... the old 335i subframe before May 2018 would cause belt to shred and sucked into motor when motor shakes and contacts subframe

I probably missed some others but these are just the things to get started.... it'll be a fun project. It's doable, not impossible. Come on, they put a Viper engine in a Honda Civic hatchback....
They're bagging on him because he's got a total of two posts on the forum, and his question is regarding probably the most labor intensive and complex drivetrain swap you could do on our cars. Who in their right mind swaps an auto N52 xdrive to anything N54 platform? As others have said, just buy a 335i.

I'm not criticizing your input at all, because evidently you wanted to provide a helpful answer, but unfortunately I think it's wasted on this guy.
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