M340i RWD
What the M340i adds over the 330i (+$14,100)
| Spec | 330i | M340i |
|---|---|---|
| Front brake type | Vented, single-piston floating calipers | Vented, four-piston fixed calipers |
| Curb weight (maximum) | 3644 lbs | 3896 lbs |
| Curb weight (minimum) | 3644 lbs | 3896 lbs |
| Cylinder count | 4 | 6 |
| Engine displacement | 1998 cc | 2998 cc |
| Horsepower | 255 hp | 386 hp |
| Torque | 295 lb-ft | 398 lb-ft |
| Engine type (full description) | 2.0L Inline-4 TwinPower Turbo 48V MHEV | 3.0L Inline-6 M TwinPower Turbo 48V MHEV |
| Valve configuration | DOHC 16-Valve | DOHC 24-Valve |
| Ground clearance | 5.7 in | 5.3 in |
| Gross vehicle weight rating | 4718 lbs | 4982 lbs |
| Base MSRP (excludes destination) | $45,500 | $59,600 |
| Overall height | 56.8 in | 56.4 in |
| Steering type | EPS with Servotronic | EPS variable sport steering with Servotronic |
| Tire size | 225/45 R18 | 225/40 R19 |
| Transmission type | 8-speed Steptronic | 8-speed M Steptronic with Drivelogic |
| Wheel diameter | 18 in | 19 in |
| Wheel width | 7.5 in | 8 in |
Standard here, not on the base trim: 19-inch M alloy wheels double-spoke Style 995M (bi-color or Jet Black) – with M Sport package, 8-speed M Steptronic with Drivelogic transmission (M340i), EPS variable sport steering with Servotronic (M340i), M Aluminum Rhombicle interior trim (standard on M340i), M Sport exhaust system, M Sport package (optional on 330i models, standard on M340i models), New three-spoke flat-bottomed M steering wheel (standard on M340i and 330i M Sport)
Specifications
Source: manufacturer press kitBrakes
| Front brake type | Vented, four-piston fixed calipers |
| Rear brake type | Vented, single-piston floating calipers |
Cargo
| Cargo volume behind 2nd row | 16.9 cu-ft |
Connected Services
| Connected services brand | BMW ConnectedDrive |
Dimensions Exterior
| Ground clearance | 5.3 in |
| Overall height | 56.4 in |
| Overall length | 185.9 in |
| Overall width | 71.9 in |
| Wheelbase | 112.5 in |
Engine Basics
| Aspiration | twin turbo |
| Cylinder count | 6 |
| Engine displacement | 2998 cc |
| Fuel injection system | High Precision Injection |
| Engine type (full description) | 3.0L Inline-6 M TwinPower Turbo 48V MHEV |
| Valve configuration | DOHC 24-Valve |
Engine Output
| Horsepower | 386 hp |
| Torque | 398 lb-ft |
Pricing
| Base MSRP (excludes destination) | $59,600 |
Seating
| Passenger seating capacity | 5 |
Steering
| Steering type | EPS variable sport steering with Servotronic |
| Turning radius (curb-to-curb) | 37.4 ft |
Suspension
| Front suspension type | Double-joint spring strut axle, lightweight aluminum-steel, hydraulically damped torque strut bearing |
| Rear suspension type | Five-link axle, lightweight aluminum-steel construction |
Tires
| Tire size | 225/40 R19 |
Transmission
| Final drive ratio | 2.8 |
| Transmission speeds | 8 |
| Transmission type | 8-speed M Steptronic with Drivelogic |
Weights
| Curb weight (maximum) | 3896 lbs |
| Curb weight (minimum) | 3896 lbs |
| Gross vehicle weight rating | 4982 lbs |
Wheels
| Wheel diameter | 19 in |
| Wheel material | forged alloy |
| Wheel width | 8 in |
Standard & optional equipment
Source: manufacturer press kitSafety13 std · 0 opt
- Airbags for driver and front passenger
- Head airbags for front and rear seat
- Side airbags for driver and front passenger
- CBC (Cornering Brake Control)
- Crash-active front head restraints
- DBC (Dynamic Brake Control)
- DSC (Dynamic Stability Control)
- DSC incl. ABS, ASC, and DTC (Dynamic Traction Control)
- Dry Braking function
- Fading Compensation
- Performance Control
- Start-Off Assistant
- Tire pressure display
Infotainment9 std · 2 opt
- BMW Head-Up Display (part of optional BMW Live Cockpit Professional) optional
- BMW Maps navigation system forming part of the standard BMW Live Cockpit Plus
- Data streaming via a WiFi hotspot by means of a connection to the vehicle's exterior antenna
- Apple CarPlay and Android Auto
- BMW Curved Display with iDrive 8.5 and QuickSelect (BMW Operating System 8.5)
- BMW ID personal user profile linking via QR code
- BMW Intelligent Personal Assistant voice command
- Gearshift paddles
- My BMW App integration (vehicle status, remote services, ConnectedDrive Store)
- Personal eSIM with 5G mobile communications standard (standard)
- BMW Live Cockpit Professional with Augmented View (optional) optional
Interior4 std · 6 opt
- Steering wheel heating (if specified, adjustable via BMW Curved Display or voice command) optional
- Cascade interior ambient lighting with 9 selectable colors and Welcome/Goodbye Animation
- Illuminated multifunction steering wheel buttons
- M Aluminum Rhombicle interior trim (standard on M340i)
- New three-spoke flat-bottomed M steering wheel (standard on M340i and 330i M Sport)
- Aluminum Fine Brushed interior trim (optional all models) optional
- Ash Grey open-pored fine-wood trim (optional all models) optional
- Carbon Fiber interior trim (optional on M340i) optional
- Galvanic controls (window switches, door lock button, air vent stalks) – optional optional
- Sensatec dashboard with refined surface and contrasting decorative stitching (optional) optional
Exterior2 std · 1 opt
- 19-inch M alloy wheels double-spoke Style 995M (bi-color or Jet Black) – with M Sport package
- M Sport package (optional on 330i models, standard on M340i models)
- BMW Individual 19-inch alloy wheels Y-spoke Style 1038i bi-color (optional all models) optional
Powertrain3 std · 1 opt
- 48V mild hybrid (MHEV) technology
- 8-speed M Steptronic with Drivelogic transmission (M340i)
- M Sport exhaust system
- M Sport Differential (optional) optional
Chassis1 std · 2 opt
- EPS variable sport steering with Servotronic (M340i)
- Adaptive M Suspension (optional) optional
- M Sport Suspension (optional) optional
Ranked by what shoppers ask about first; standard equipment before options.
Transcribed from the manufacturer's official press kit for the 2025 3 Series. Confirm with the window sticker for a specific unit.
The cheapest ownership win
Insurers price the 2025 3 Series very differently, and the gap between the best and worst quote on the same car and driver is usually larger than any option you are weighing on this page.
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Common questions about the M340i
Source: EPA, NHTSA and manufacturer press kitsHow much is the 2025 BMW 3 Series M340i?
The manufacturer lists $59,600 for the 2025 BMW 3 Series M340i. That is $14,100 above the 330i, the cheapest trim of the same model year. MSRP excludes destination, options, taxes and dealer charges.
What does the 2025 BMW 3 Series M340i add over the 330i?
Against the 330i, 7 features become standard that the 330i does not and 18 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.