BMW G20 LCI M340i B58 – Key Differences Between US and EU Versions Wednesday, September 24, 2025
They may share the same name, engine code, and chassis — but the US and EU versions of the BMW G20 LCI M340i B58 behave like completely different cars. From ECU mapping and exhaust sound to gearshift behavior and torque delivery, here are all the real-world differences between the two.