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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > S55 Engine Swap

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      08-30-2019, 09:15 AM   #1
Sulaiti
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S55 Engine Swap

Hi

I wrecked my M2 Competition (Pure2+ tuned) where the front frame is damaged.
My friend owns a 2017 M2 N55 that he will give me for way less than the price of the M2c parts I need to buy.
What would I need exactly to make the swap? The workshop told me the S55 engine won’t fit directly , so how can I fit the S55 in the M2 N55 engine bay?

Appreciate any feedback I can get.
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      08-30-2019, 10:15 AM   #2
Altra
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Perhaps the guys from AC Schnitzer can give you some guidance.

https://www.bmwblog.com/2016/03/01/a...va-motor-show/

Lifted from this thread:
https://f87.bimmerpost.com/forums/sh....php?t=1261065
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      08-30-2019, 02:40 PM   #3
Sulaiti
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Saw the post and tried that,, no response

Thanks
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      08-30-2019, 04:36 PM   #4
Pray for Mojo
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You would have to swap the entire wiring loom, cooling system, engine/tranny mounts and there is probably a bunch of connectors/body holes on the OG that won't mate up. If you smashed up the front end you would probably need to buy the M2C radiators, coolers, ect. I'm skeptical the effort level would be worth.
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      08-31-2019, 01:54 AM   #5
Anthony1s
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Not the answer you're looking for, but the best way to know is to start doing it. You have both cars already to look at, find differences, and start compiling a list. Then there will be things that come up during that swap that you didn't think of.
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      08-31-2019, 11:40 AM   #6
Peter_VIE
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They did it before, maybe they can help you:

https://aulitzkytuning.com/bmw-m2-at...t-s55-m4-motor
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      09-01-2019, 12:29 AM   #7
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For the cost of 2017 M2 + the labor of engine swap and whatever hassles that comes after, you can have a used M2C.
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      09-01-2019, 01:55 PM   #8
XutvJet
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Quote:
Originally Posted by SeanWRT View Post
For the cost of 2017 M2 + the labor of engine swap and whatever hassles that comes after, you can have a used M2C.
^This. Unfortunately these aren't like Subarus where parts bin sharing and swaps like this are easy. You'd spend a massive amount of money and I doubt it would be a any cheaper than buying a new M2C. Plus, most dealers and shops wouldn't touch servicing a swap like this.
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      09-01-2019, 03:45 PM   #9
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Quote:
Originally Posted by XutvJet View Post
^This. Unfortunately these aren't like Subarus where parts bin sharing and swaps like this are easy. You'd spend a massive amount of money and I doubt it would be a any cheaper than buying a new M2C. Plus, most dealers and shops wouldn't touch servicing a swap like this.
Plus the value of the finished vehicle wouldprobably plummet.
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      09-01-2019, 09:29 PM   #10
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Why not take the insurance payout and all your aftermarket parts, get a new M2 comp and install them onto it? I would imagine you'll get most of the value as the car isn't that old.
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