Quote:
Originally Posted by XMetal
It shouldn't be too bad if he can find a donor S54 car that comes with ECU and 6MT. Supercharging is the next step after the transplant. This isn't too bad either as there are plenty of companies that makes supercharger kit for the S54 platform.
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Though they are both E46, the wiring and programming will be the hardest part. Matching the S54 DME to the touring's harness might be a challenge. Definitely not something you should tackle on your own if you want to retain some OEM capabilities. But it has been done, and when done right, the S54 is godly