Quote:
Originally Posted by listed5
I think you're missing the point here; I have an entire f80 with irreparable frame damage, so I have all of the subframes, diff, drivetrain, electronics, etc. at my disposal to transfer over. I have 275s on my 335 with a more aggressive offset wheel and they don't rub. The factory 437 with M3 diff should be fine!
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This is a huge undertaking to save $25k. First, take the car to carmax and see what they will give you. They sell to dealer options and some buyers have the resources to sell for parts. Depending on the car, even salvaged cars could go for a surprising amount of money. Doesn't hurt to try. If not, then sell the engine, wheels, tranny etc. The wheels might go from $500 each, so there's $2k back.
Then go sell your F30 and get a CPO F80 and enjoy a level of engineering that you will never be able to achieve with your ambitiously time consuming and expensive swap.