Are you looking for best bmw to buy or looking to purchase a best BMW ?
Maybe, we begin with question, what do you want used cars or new one ?
I have two recommended best bmw for you
2011 BMW Z4 sDrive35is
Chassis >> Wheels : 18-inch light-alloy
Drivetrain>>Transmission : 7-speed Double-Clutch
Performance>>Acceleration : (0-100 km/h)4.7 seconds
Top Speed >> 250 km/h or 155 mph
Engine & Transmission >>Torque : lb-ft (Nm) at RPM:369 lb-ft
Engine>>Type:6-cylinder
Best Price for this car is around $60k
The latest Z4 model is characterized by instantaneous response to the accelerator pedal, fantastic sounds, and a free-revving spirit. The engine features increased air intake flow and increased boost pressure to release more power with the same standard of efficiency. Further technologies offered under the BMW EfficientDynamics philosophy include Brake Energy Regeneration, Electric Power Steering, and on-demand operation of engine accessory units.