E46Forum.co.uk

The E46 M3's S54B32 inline-six engine has undergone several internal enhancements to boost performance. These upgrades work in tandem with the six-speed manual transmission, ensuring a dynamic driving experience that the M3 is known for.

With these improvements, the S54B32 engine not only delivers power and responsiveness but also enhances the overall driving dynamics of the E46 M3. The combination of refined engineering and a well-crafted gearbox makes this vehicle a thrilling option for enthusiasts and drivers alike.