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01-21-2016, 09:12 AM | #1 |
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n54 vs s65
this has probably been asked before, but what if....
the n51/52 motor dies in your 128 and you could swap in a different motor, would you swap in a turbo n54/55 or stay n/a and go to an s65? pros/cons... |
01-21-2016, 09:56 AM | #2 |
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The S65 swap has been done - very expensive and probably not worth it. Moving to an N54/N55 would be less expensive, but still costly and, as with the S65, will require a complete ECU swap plus the addition of an oil cooler and intercooler. Personally, if the wife's 128i M-Sport 6MT convertible's engine died, I'd probably replace it with another N52 - a lot simpler and no electronics/oil cooler/intercooler/exhaust plumbing swap-out/addition required. You could make some modifications like ZHP cams, 3-stage intake manifold, headers, software upgrade, etc. for a lot less than a turbo engine or an E9x M3 V8.
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01-21-2016, 10:24 AM | #3 |
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Personally, S65 because of more power, NA, V8, high revving, and glorious sound. I like powerful NA cars and I like V8's so I guess I'm a bit biased. If you're going for a swap anyway, why not go for something more special and unique. From what I've seen online, the S65 is only 15lbs more than the N54. An N54/55 swap would be stupid because you may as well buy a 135i and mod it from there.
Ultimately, the smartest decision is to swap back in an N52/51. |
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01-21-2016, 10:38 AM | #4 | |
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If you want something unique to drive on the track, drop in the s65 but be expected to pay $25-30k all in. |
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01-21-2016, 01:55 PM | #6 |
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I guess if I had to choose one of the two, it would be the S65, for reasons already stated:
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01-21-2016, 03:39 PM | #7 |
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If you want a V8, just drop a foxbody 5.0 in it. Cheap and can be found everywhere.
Let the hissing and boo's begin!
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01-21-2016, 06:47 PM | #8 | |
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01-21-2016, 07:28 PM | #9 |
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It was hard for me to post as I hate foxbody and 90's mustangs. But when you can pick up a 5.0 with 50k on it for 650 dollars, it is hard to shell out 9-12k for a S65. The V8 would not be my swap choice if my motor went out.
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01-22-2016, 09:15 AM | #11 |
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Well hell, then...if money's no object, get the V8 from an F-series M5 or M6 and shoehorn that sucker in there. If 420 HP is good, then ~600 would be much better! Or, for a more moderate approach, how about the 500+ HP V10 from the E60 M5? All of these choices will at least keep the car all-BMW. But, as mentioned in another post, the electrical/ECU issues will be killer, particularly if you were to use a "Detroitus" engine.
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01-22-2016, 09:32 PM | #13 |
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Why would you swap in a n54? You may as well just buy a 135i at that point. S65 all the way.
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01-24-2016, 12:28 PM | #14 |
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+1 for the LS crowd
*picks up riot shield*
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01-25-2016, 12:59 PM | #18 |
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For some reason I want to say a 4 cyl motor with Turbo...Perhaps the new B48 or that crazy race tuned n45 BMW 320si
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01-25-2016, 09:19 PM | #20 |
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How about an an m62? Not sure if it's even feasible but you can find sub-$1,000 blocks pretty easy. Also, I've got a 1997 540i (E39) so it is closer than it sounds.
On topic: An S65 with money not being a concern.
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A couple or fifteen mods.
Last edited by zapatista; 01-25-2016 at 09:38 PM.. |
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