HIGHS
- Lots of standard equipment, roomy interior compared to rivals, base model's polished ride-and-handling.
LOWS
- Turbo lag dulls acceleration, M35i's ride is stiff, overly complex infotainment system operation.
VERDICT
- The X1 delights with its combination of athleticism, practicality, and upscale appointments, but the M35i xDrive performance model has too many rough edges.