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      05-21-2012, 08:50 PM   #1
JOSHYb23
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M3 e46 engine swap

I've been wondering if it is at all possible to replace my current bmw m3 e46 engine with a newer bmw m3 e92 engine?
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      05-21-2012, 09:00 PM   #2
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It's possible. Not easy nor cheap.
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      05-22-2012, 09:27 AM   #3
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Quote:
Originally Posted by RC@PSI View Post
It's possible. Not easy nor cheap.
Yep. There is a plug and play harness out there for this. With top of the line wiring and ecu but your looking at a lot of money for that.
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      05-27-2012, 06:24 PM   #4
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^ do you recall who does the harness?
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      07-17-2012, 04:38 AM   #5
JOSHYb23
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besides the cost of the e92 engine how much am i looking at?
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      07-17-2012, 07:53 PM   #6
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Forget the S65B40...throw in a S85B50

Apex Speed Technology and Pectel make a complete stand-alone ECU and wiring harness for either swap.
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      07-22-2012, 06:06 PM   #7
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Why not just go HPF stage 3 turbo? Definitely doable if you want to swap it tho.
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      07-22-2012, 06:12 PM   #8
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Quote:
Originally Posted by JOSHYb23 View Post
besides the cost of the e92 engine how much am i looking at?
it would be very expensive, you would need to pretty much replace many different parts and fabricate a lot as well. Here is a picture of a car that is in our class for NASA, after asking I believe his build total was around 50k w/o the car
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