BMW 330i vs M340i: Is the B58 Worth the Premium? An Ownership Comparison
The bmw 330i vs m340i decision is not about which is the better car — both are the same G20 3 Series, built on the same line, sharing interior architecture, tech platform and the ZF eight-speed automatic (trim and option packages differ). It is about one question: is the M340i’s turbocharged inline-six worth roughly $13,500…
