A Digital Evolution for the Entry Level: Reviewing the 2025 BMW 120

The 2025 BMW 1 Series arrives as the fourth generation of the brand’s entry-level hatchback. It carries the internal designation F70 and represents a significant overhaul of the front-wheel drive architecture introduced in 2019. The base BMW 120 starts at 37,900 Euro in Germany. Higher performance variants like the M135 xDrive command a starting price of 56,200 Euro. This segment remains competitive with the Audi A3 Sportback starting at 35,650 Euro and the Mercedes-Benz A-Class priced from 41,330 Euro. Even the Volkswagen Golf 1.5 eTSI presents a challenge at 32,880 Euro.

The exterior dimensions have grown slightly in length by 42 millimeters, reaching a total of 4,361 millimeters. Much of this growth is attributed to the revised front and rear bumper designs. The radiator grille features a new arrangement of vertical and diagonal bars that deviate from the traditional vertical slat design. The headlight units are slimmer and use LED technology as standard with optional adaptive matrix functions. BMW offers the M Sport Package and the M Sport Design package for customers who prefer a more aggressive stance. The side profile retains the familiar wedge shape of its predecessor.

BMW has updated the naming convention by removing the lowercase i from its gasoline models to reserve that letter for fully electric vehicles. The BMW 120 now features a 1.5-liter three-cylinder engine paired with a 48-volt mild-hybrid system. This powertrain produces a combined output of 170 horsepower and 280 Newton meters of torque. The electric motor is integrated directly into the seven-speed Steptronic dual-clutch transmission. This configuration allows for a 0 to 100 kilometers per hour sprint in 7.8 seconds. Power is sent exclusively to the front wheels in this model.

The thermal management of the three-cylinder engine uses the Miller combustion cycle to improve efficiency under partial load. The engine block is constructed from aluminum with wire-arc sprayed cylinder coatings to reduce friction. In hindsight, the transition from four cylinders to three in the core models felt like a compromise, but the current iteration shows a high degree of refinement in its vibration dampening. The 48-volt system provides a noticeable boost during initial acceleration and allows for smoother engine start-stop transitions. It also enables extended coasting phases where the engine can shut down entirely at highway speeds.

The chassis uses MacPherson struts at the front and a multi-link rear suspension setup across all variants. BMW has increased the rigidity of the mounting points to improve steering precision and feedback. The standard suspension is tuned for a balance of comfort and control, while the optional M Sport suspension lowers the ride height by 8 millimeters. This sportier setup includes frequency-selective dampers that adjust their response based on the road surface. I noticed that the car remains composed over expansion joints and broken pavement. The steering rack features a variable ratio that becomes quicker as the steering angle increases.

The interior of the 1 Series has undergone a radical simplification of its controls. A curved display now dominates the dashboard, combining a 10.25-inch instrument cluster and a 10.7-inch infotainment screen under a single piece of glass. This system runs BMW Operating System 9, which is based on an Android Automotive Open Source project. The traditional rotary iDrive controller has been removed from the center console. Almost all physical buttons for climate control, seat heating, and ventilation have been eliminated in favor of touchscreen sliders and sub-menus.

The transition to a screen-only interface reminds me of the modern dining experience where a physical menu is replaced by a QR code pasted to the corner of a wooden table. It is efficient for the restaurant to update prices and remove sold-out items without reprinting paper. However, the guest is forced to divide their attention between their phone and their company, turning a digital chore into an unnecessary hurdle. My son, who represents the demographic BMW hopes to capture, views the large curved display as a natural extension of his workspace. He does not share my concern about the lack of tactile feedback when adjusting the cabin temperature while driving. The voice control system is intended to mitigate these issues, but its performance varies depending on cabin noise and the complexity of the command.

The materials used throughout the cabin emphasize a shift toward sustainability. The seats are upholstered in Veganza as standard, which is a high-quality synthetic leather alternative. There is no real leather available in the configurator for this model. The dashboard and door panels feature recycled textile surfaces that feel durable to the touch. The storage compartment in the center console has been redesigned since the gear selector is now a small toggle switch. Ambient lighting is integrated behind translucent trim pieces on the dashboard and doors.

The rear seat provides adequate space for two adults, though the middle seat remains tight due to the width of the vehicle. Cargo capacity in the BMW 120 is limited to 300 liters with the seats up because the 48-volt battery is housed under the trunk floor. This is a reduction of 80 liters compared to the non-hybrid diesel variants. Folding the rear seats increases the volume to 1,200 liters. The tailgate can be operated electrically and features a hands-free opening function as an option. The load lip is relatively low, which helps when loading heavier items.

The reliability of the F70 generation is largely tied to the proven B38 engine family and the mature UKL2 platform architecture. The B38 engine has shown good longevity in previous BMW and MINI applications with few reported issues regarding its timing chain or turbocharger. However, the heavy reliance on the new Operating System 9 introduces a layer of electronic complexity that has seen early software bugs in other BMW models. The integration of the electric motor into the transmission is a complex engineering choice that may lead to higher repair costs outside of the warranty period. BMW typically performs well in ADAC breakdown statistics for its compact cars. Owner satisfaction often depends on the stability of the infotainment software.

The 2025 BMW 120 represents a clear direction for the brand as it moves toward a digital-first philosophy. It maintains the driving dynamics expected of a BMW while adopting a minimalist approach to ergonomics. The lack of physical buttons will likely remain a point of debate among traditionalists. The three-cylinder engine provides sufficient performance for daily use in a premium package. Standard equipment levels have been improved to include features like the BMW Live Cockpit Plus and automatic climate control on all models.