BMW 340i F30
2016-2019
The 340i F30 embodies BMW's core philosophy of creating the ultimate driving machine for everyday use. It combines German engineering precision with the brand's signature rear-wheel-drive dynamics and inline-six smoothness.

Quick Take
The BMW 340i F30 represents the final evolution of the sixth-generation 3 Series, featuring BMW's acclaimed B58 turbocharged inline-six engine. It offers the perfect balance of daily usability and sporting capability that made the 3 Series legendary.
Best For
Key Strength
B58 Engine Excellence
Watch For
Cooling System Reliability
The Story
Heritage & Legacy
The F30 generation marked BMW's evolution toward modern luxury while maintaining the 3 Series' sporting DNA. This model represents the culmination of decades of refinement in the compact executive sedan segment.
Design Philosophy
BMW designed the F30 340i to be visually understated yet purposeful, with clean lines and proportions that emphasize its rear-wheel-drive architecture. The interior focuses on driver-centric ergonomics with premium materials throughout.
The Driving Experience
Engine Character
The B58 inline-six delivers power in a linear, refined manner with minimal turbo lag and a satisfying growl. It provides strong mid-range torque while remaining smooth and responsive throughout the rev range.
Chassis Dynamics
The F30 chassis offers excellent balance with neutral handling characteristics and precise steering feel. The suspension strikes an ideal compromise between comfort for daily driving and control for spirited driving.
Sound Signature
The B58 produces a distinctive inline-six rumble that's both sophisticated and sporty. The exhaust note is refined but purposeful, especially under acceleration.
Strengths & Tradeoffs
Defining Strengths
The B58 3.0L turbo inline-6 is BMW's masterpiece, delivering smooth power delivery and incredible tuning potential. A simple tune can unlock 400+ horsepower, making this one of the most cost-effective performance upgrades available.
The F30 340i strikes the perfect balance between performance and practicality. It offers legitimate sports sedan performance while maintaining comfortable ride quality and excellent fuel economy for daily commuting.
Honest Tradeoffs
BMW's cooling systems remain problematic, with water pumps, thermostats, and coolant hoses failing prematurely. These failures can lead to expensive engine damage if not addressed promptly, making preventive maintenance critical.
The direct injection B58 engine suffers from carbon buildup on intake valves, requiring walnut blasting every 60-80k miles. This maintenance item can cost $800-1200 and is unavoidable with normal driving patterns.
Ideal Owner
Perfect for enthusiasts who want a premium daily driver with genuine sporting capability. Ideal for those who appreciate refined German engineering and rear-wheel-drive dynamics.