The BMW 3 Series, a cornerstone of the BMW brand for nearly half a century, continues to redefine sporty driving pleasure in the premium midsize segment. With each generation, the 3 Series has consistently pushed boundaries in design, driving dynamics, and technological innovation. The 2025 BMW 3 Series arrives with a comprehensive suite of updates, building upon the enhancements introduced in 2022, to elevate its visual appeal and modern technology to new heights. These refinements include chassis tuning for an even better balance of sport and comfort, and the advanced BMW Operating System 8.5, enhancing the intuitive iDrive with QuickSelect and expanding navigation capabilities with Augmented View. Let’s delve into the detailed 2025 Bmw 3 Series Specs and features that set this model apart.
Exterior Design: Progressive Aura, Refined Elegance
The 2025 BMW 3 Series exterior receives subtle yet impactful updates, reinforcing its sporty elegance. The color palette expands with two new metallic options: Arctic Race Blue metallic and Vegas Red metallic, offering fresh aesthetic choices. For those seeking even greater personalization, BMW Individual introduces Frozen Pure Grey metallic and Frozen Portimao Blue metallic shades.
Vehicles equipped with the M Sport package, optional on the 330i and standard on the M340i, now feature newly designed 19-inch M alloy wheels in a double-spoke design (Style 995M), available in bi-color or Jet Black finishes. Alternatively, BMW Individual 19-inch alloy wheels in a Y-spoke design (Style 1038i) with a bi-color finish are offered as an option across all models, adding another layer of visual distinction.
Interior Refinements: Modern Ambience, Driver-Focused Cockpit
Inside, the 2025 BMW 3 Series enhances its tech-forward and uncluttered cockpit with new design elements and features. Drivers are greeted by a choice of two new steering wheel designs. The BMW 330i models come standard with a new two-spoke steering wheel featuring a polygonal rim. The M340i and 330i models with the M Sport package boast a new three-spoke flat-bottomed M steering wheel, accented with a subtle stripe at the top center – black for 330i M Sport models and red for M340i models. Both steering wheel designs incorporate illuminated multifunction buttons and gearshift paddles for enhanced usability and sporty feel.
The interior lighting system now features cascade lighting integrated into the trim surrounding the central vents. This ambient lighting is customizable with nine selectable colors and adjustable brightness, allowing drivers to personalize the cabin atmosphere. These settings are saved within user profiles. The interior lighting also includes Welcome and Goodbye Animations and light signals for events like incoming calls or open doors, adding a touch of sophistication and user-centric design.
Material choices within the cabin have also been refined. Fineline Light open-pored fine-wood trim is now standard in the BMW 330i, while the M340i receives M Aluminum Rhombicle trim as standard. Optional trims include Ash Grey open-pored fine-wood, Aluminum Fine Brushed, and Carbon Fiber for the M340i, providing a range of textures and aesthetics. Optional Galvanic controls add a unique luster to window switches, door lock buttons, and air vent adjusters. The optional Sensatec dashboard now features a more refined surface and decorative stitching in a contrasting color, further elevating the premium feel of the interior.
Performance and Powertrain: Enhanced Efficiency and Power
Under the hood, the 2025 BMW 3 Series models benefit from updated powertrains with a focus on both performance and efficiency. The M340i models are now equipped with the new B58B30M2 3-liter inline 6-cylinder engine, incorporating 48V mild hybrid (MHEV) technology. This system provides an 11 hp boost from the 48V starter generator, resulting in a combined output of 386 hp between 5,200-6,250 rpm and 398 lb-ft of torque from 1,900-4,800 rpm.
This potent engine, paired with an 8-speed Steptronic Sport transmission, propels the BMW M340i from 0-60 mph in just 4.4 seconds, or an even quicker 4.1 seconds with xDrive intelligent all-wheel drive. The M Sport exhaust system complements the engine’s performance with an exhilarating sound. The top speed is electronically limited to 155 mph.
The 2025 BMW 330i models also gain 48V mild hybrid technology for their B48B20O2 2-liter inline 4-cylinder engine. This engine also incorporates the Miller cycle combustion process, redesigned intake ports and combustion chambers, and advancements in camshaft control, injection, ignition, and exhaust routing. The TwinPower Turbo 4-cylinder engine delivers 255 hp from 4,700-6,500 rpm and 295 lb-ft of torque between 1,600-4,500 rpm.
Chassis and Handling: Sportiness Meets Comfort
The chassis technology of the 2025 BMW 3 Series has been further refined to enhance the renowned balance between sporting agility and ride comfort. Updates across all models, including stiffer rear damper mountings, contribute to improved comfort across various driving conditions and road surfaces without compromising dynamic capabilities. The result is enhanced precision, composure, and controllability. Steering effort in Comfort mode has also been reduced for easier everyday driving.
Technology and Digitalization: BMW Operating System 8.5 and iDrive with QuickSelect
The 2025 BMW 3 Series features the latest BMW iDrive with QuickSelect, powered by BMW Operating System 8.5. This system provides a more intuitive user experience and streamlined access to vehicle functions and digital services. The new home screen continuously displays the navigation map or another customizable view. QuickSelect functionality allows direct access to desired functions from the home screen, eliminating the need to navigate through submenus.
A widget bar on the driver’s side of the control display enables vertical swiping to access media, phone, and other functions. Horizontal swipes on widgets reveal additional information and settings. The widget bar is customizable, and a home icon provides quick return to the main screen from any application. Direct access icons for climate control, All Apps menu, and Apple CarPlay/Android Auto are now located next to the home icon.
Ventilation and climate control are now more integrated into the digital experience, with touch control and natural language interaction minimizing physical buttons. Temperature, fan speed, seat heating, and steering wheel heating can be adjusted via the BMW Curved Display or voice commands using the BMW Intelligent Personal Assistant. New controls for the air vent grilles allow for manual adjustment of airflow intensity and direction.
BMW Maps navigation system, standard with BMW Live Cockpit Plus, enhances destination input and provides proactive route recommendations. Optional BMW Live Cockpit Professional adds Augmented View, overlaying live video from the driver’s perspective with navigation prompts and contextual information on the information display or control display for enhanced guidance at complex junctions.
Personalization is simplified with BMW Operating System 8.5, making it easier to link the vehicle with BMW IDs and the My BMW App via QR code login. The My BMW App provides vehicle status updates, range information, service needs, remote destination sending, and access to the BMW ConnectedDrive Store for over-the-air upgrades and function extensions. The Personal eSIM and 5G mobile standard provide optimal connectivity, integrating the vehicle seamlessly into the user’s digital ecosystem.
2025 BMW 3 Series Specifications
The following tables detail the specifications for the 2025 BMW 330i, 330i xDrive, M340i, and M340i xDrive models:
2025 BMW 330i & 330i xDrive Specifications
| Specification | 330i | 330i xDrive |
|---|---|---|
| Body | ||
| No. of doors/seats | 4 / 5 | 4 / 5 |
| Length / Width / Height (in) | 185.9 / 71.9 / 56.8 | 185.9 / 71.9 / 57.0 |
| Wheelbase (in) | 112.5 | 112.5 |
| Curb weight (lbs) | 3,644 | 3,752 |
| Luggage capacity (cu ft) | 16.9 | 16.9 |
| Engine | ||
| Config. / no. cylinders / valves | Inline / 4 / 16 | Inline / 4 / 16 |
| Engine technology | BMW TwinPower Turbo technology, 48V mild hybrid | BMW TwinPower Turbo technology, 48V mild hybrid |
| Capacity (CC) | 1,998 | 1,998 |
| Max output (hp @ RPM) | 255 @ 4,700-6,500 | 255 @ 4,700-6,500 |
| Max torque (lb-ft @ RPM) | 295 @ 1,600-4,500 | 295 @ 1,600-4,500 |
| Performance | ||
| Acceleration 0-60 mph (sec) | 5.6 | 5.4 |
| Top speed (mph) | 130 (155 w/ performance tires) | 130 (155 w/ performance tires) |
2025 BMW M340i & M340i xDrive Specifications
| Specification | M340i | M340i xDrive |
|---|---|---|
| Body | ||
| No. of doors/seats | 4 / 5 | 4 / 5 |
| Length / Width / Height (in) | 185.9 / 71.9 / 56.4 | 185.9 / 71.9 / 56.7 |
| Wheelbase (in) | 112.5 | 112.5 |
| Curb weight (lbs) | 3,896 | 4,008 |
| Luggage capacity (cu ft) | 16.9 | 16.9 |
| Engine | ||
| Config. / no. cylinders / valves | Inline / 6 / 24 | Inline / 6 / 24 |
| Engine technology | M TwinPower Turbo technology, 48V mild-hybrid | M TwinPower Turbo technology, 48V mild-hybrid |
| Capacity (CC) | 2,998 | 2,998 |
| Max output (hp @ RPM) | 386 @ 5,200 – 6,250 | 386 @ 5,200 – 6,250 |
| Max torque (lb-ft @ RPM) | 398 @ 1,900 – 4,800 | 398 @ 1,900 – 4,800 |
| Performance | ||
| Acceleration 0-60 mph (sec) | 4.4 | 4.1 |
| Top speed (mph) | 130 (155 w/ performance tires) | 130 (155 w/ performance tires) |
Conclusion: The Benchmark Evolved
The 2025 BMW 3 Series reaffirms its position as the quintessential sport sedan, blending refined design, cutting-edge technology, and exhilarating performance. With enhanced 2025 BMW 3 Series specs across its powertrain, chassis, and digital interfaces, BMW continues to elevate the standard in the premium midsize segment, promising an even more engaging and sophisticated driving experience. The arrival of the 2025 BMW 3 Series is set to continue its legacy of driving pleasure for years to come.
