PERFORMANCE = 1M > M3
COMFORT/LUXURY/DD = M3 > 1M
+ = lightweight, raw
- = N54 (although ecu tuning can 'help')
+ = comfort, V8
- = Heavy
If ur looking for the next great M track car, that can easily be modded to 3000 lbs, 300+ whp and will outhandle ANY modern BMW (with the right suspension mods), then the 1M is gonna be ur car.
If ur looking for a great daily driver, practical sports car with great comfort, luxury, technology, great handling, braking and power performance, then the e9xm3 is right for you.
2 different applications.