Used 2023 BMW 3 Series Sedan Trims Comparison

330i
The base trim comes reasonably well equipped with:

• Turbocharged four-cylinder engine (255 horsepower, 294 lb-ft of torque)
• Eight-speed automatic transmission
• Rear-wheel or available all-wheel drive (BMW's xDrive)
• 18-inch wheels
• LED headlights
• Power-folding, heated side mirrors
• Rain-sensing windshield wipers
• Sunroof
• Three-zone automatic climate control
• Power-adjustable front sport seats
• Synthetic leather upholstery

Tech features include:

• Curved 12.3-inch driver information display and a 14.9-inch center display
• Cloud-based navigation system
• Wireless Apple CarPlay and Android Auto smartphone integration
• BMW connected services
• 10-speaker audio system
• Forward collision mitigation (warns you of an impending collision and applies the brakes in certain scenarios)

330e
The 330e includes all the standard features of the regular 330i but adds a plug-in hybrid powertrain with a turbocharged four-cylinder gasoline engine and an electric motor (combined 288 hp, 310 lb-ft). The EPA estimates it can drive about 22 miles on a fully charged battery.

M340i
The M340i provides a big increase in performance thanks to its larger engine:

• Turbocharged six-cylinder engine (382 hp, 369 lb-ft) with 48-volt mild hybrid system
• 18-inch wheels
• Aerodynamic kit
• More aggressive front bumper and unique grille
• Rear spoiler
• M Sport suspension
• Upgraded M Sport brakes with blue calipers
• M Sport differential (helps maximize available traction during hard acceleration)
• Keyless entry

BMW offers a variety of options and packages for the 3 Series. Depending on the model, key choices to look out for include:

• Convenience package (330i and 330e models)
• Keyless entry
• Lumbar support for driver's seat
• M Sport package (330i and 330e models)
• 19-inch wheels on performance or all-season run-flat tires
• M Sport suspension
• Aerodynamic body kit
• Dark (extended shadowline) exterior trim
• Rear spoiler
• More interior trim material choices
• M Sport steering wheel
• Premium package
• Power lumbar adjustment for driver's seat (330i and 330e)
• Heated front seats
• Heated steering wheel
• Head-up display
• Driving Assistance package
• Blind-spot warning (alerts you if a vehicle in the next lane over is in your blind spot)
• Lane departure warning (alerts you if the vehicle begins to drift out of its lane)
• Parking sensors
• Dynamic Handling package
• 19-inch wheels on performance or all-season runflat tires
• M Sport brakes with blue or red calipers
• Adaptive M suspension
• Driving Assistance Professional package
• Adaptive cruise control (maintains a driver-set distance between the BMW and the car in front)
• Extended Traffic Jam Assistant (allows for hands-free operation in traffic and on certain highways)
• Active lane keeping assistance with side collision avoidance (steers the 3 Series back into its lane if it begins to drift over the lane marker and makes minor steering corrections to help keep the vehicle centered in its lane)
• Front cross-traffic warning
• Evasive steering assistance (enhances the forward collision mitigation system with steering-based collision avoidance)