Quote:
Originally Posted by bradleyland
Not likely. By that line of reasoning, BMW would be throwing out a significant portion of their current engine manufacturing cycle because they were unable to attain the specified power output. There simply isn't that much variation in manufacturing these days. We (humans) are too good at it.
Any differences in the engine are intentional and introduced by specification.
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No, they're not throwing them out, merely badging them as 20i if it cannot attain 28i's level of performance. That's the only reason why no tuner can attain 28i's level of output using a 20i if all parts are identical.
BMW has been making 20i version of the N20 since 2011, so they're wasting nothing.