Quote:
Originally Posted by Red Bread
The N54 vs N55 cost thing is sort of a wash, since the N55 had the older M54 block and had the first gen Valvetronic.
I certainly prefer the power delivery of the N54, especially before the myriad software updates. But I'm not sure it was necessarily more expensive just because it had the extra turbo and (comically unreliable) Piezo injectors.
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The N54 also had a forged crank and rods. It's a more expensive engine from most people's account.
A re-manufactured "short engine" is $11.3k for the N54 and $9.X for the N55...at least from what I'm seeing now.
http://parts.bmwofsouthatlanta.com/p...000415278.html
http://parts.bmwofsouthatlanta.com/p...002249016.html