Quote:
Originally Posted by IMS-340MP
From your experience so far what's the difference between the B58 in the M340i and the B58 in the 340i ? Does the M340i has a bigger turbo ?
I know engine internals are different except the con rods are the same, also the M340i has lower compression ratio.
Both engines tuned should reach same power levels ?
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In stock form in terms of "tuning"...the main limiting factor with the B58 in the 340 is fuel pressure. Now with the new fuel pump in M340 the main limiting factor is the turbo.