The BMW X1 (F48, facelifted in 2019) 25d xDrive Steptronic represents a significant iteration of BMW’s compact luxury crossover. Introduced as part of the F48 lifecycle update, this variant was produced from 2019 to 2022 and aimed to deliver a blend of performance, efficiency, and practicality within the premium subcompact SUV segment. Positioned as a mid-range offering within the X1 lineup, the 25d bridged the gap between the entry-level petrol models and the more potent, higher-trim diesel options. It was primarily marketed in Europe and other regions where diesel engines remained popular, offering a compelling alternative to gasoline-powered competitors.
Technical Specifications
| Brand | BMW |
| Model | X1 |
| Generation | X1 (F48, facelift 2019) |
| Type (Engine) | 25d (231 Hp) xDrive Steptronic |
| Start of production | 2019 |
| End of production | 2022 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.5-5.9 l/100 km (42.8 – 39.9 US mpg, 51.4 – 47.9 UK mpg, 18.2 – 16.9 km/l) |
| Fuel consumption (extra urban) | 4.5-4.8 l/100 km (52.3 – 49 US mpg, 62.8 – 58.9 UK mpg, 22.2 – 20.8 km/l) |
| Fuel consumption (combined) | 4.9-5.2 l/100 km (48 – 45.2 US mpg, 57.6 – 54.3 UK mpg, 20.4 – 19.2 km/l) |
| CO2 emissions | 128-136 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.6 sec |
| Acceleration 0 – 62 mph | 6.6 sec |
| Acceleration 0 – 60 mph | 6.3 sec |
| Maximum speed | 235 km/h (146.02 mph) |
| Emission standard | Euro 6d ISC |
| Weight-to-power ratio | 6.8 kg/Hp, 146.7 Hp/tonne |
| Weight-to-torque ratio | 3.5 kg/Nm, 285.7 Nm/tonne |
| Power | 231 Hp @ 4400 rpm |
| Torque | 450 Nm @ 1500-3000 rpm (331.9 lb.-ft. @ 1500-3000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B47C20B |
| Engine displacement | 1995 cm3 (121.74 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 16.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 6.9 l (7.29 US qt | 6.07 UK qt) |
| Kerb Weight | 1575 kg (3472.28 lbs.) |
| Max. weight | 2180 kg (4806.08 lbs.) |
| Max load | 605 kg (1333.8 lbs.) |
| Trunk (boot) space – minimum | 505 l (17.83 cu. ft.) |
| Trunk (boot) space – maximum | 1550 l (54.74 cu. ft.) |
| Fuel tank capacity | 51 l (13.47 US gal | 11.22 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4447 mm (175.08 in.) |
| Width | 1821 mm (71.69 in.) |
| Width including mirrors | 2060 mm (81.1 in.) |
| Height | 1598 mm (62.91 in.) |
| Wheelbase | 2670 mm (105.12 in.) |
| Front track | 1561 mm (61.46 in.) |
| Rear (Back) track | 1562 mm (61.5 in.) |
| Front overhang | 848 mm (33.39 in.) |
| Rear overhang | 929 mm (36.57 in.) |
| Ride height (ground clearance) | 183 mm (7.2 in.) |
| Drag coefficient (Cd) | 0.28-0.32 |
| Minimum turning circle (turning diameter) | 11.4 m (37.4 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission Steptronic |
| Front suspension | Independent coil spring |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/55 R17 97W |
| Wheel rims size | 7.5J x 17 |
INTRODUCTION
The BMW X1 F48, launched in 2015, marked BMW’s entry into the burgeoning compact SUV market. The 2019 facelift brought with it updated styling, improved technology, and refinements to the engine lineup. The 25d variant, powered by the B47C20B engine, was a key component of this revised range. It offered a balance between performance and fuel economy, appealing to buyers seeking a premium SUV experience without the higher running costs associated with larger engines. Built on the UKL2 platform (shared with the MINI Countryman), the X1 prioritized front-wheel-drive architecture, with the xDrive all-wheel-drive system available as an option, as equipped in the 25d.
Powertrain & Engine Architecture
At the heart of the X1 25d lies the BMW B47C20B, a 2.0-liter inline-four cylinder diesel engine. This engine is a member of the modular BMW engine family, known for its efficiency and refinement. The B47 utilizes a common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A twin-scroll turbocharger with variable geometry turbine (VGT) technology provides a broad torque curve and minimizes turbo lag. The engine also features an intercooler to further enhance performance. The 8-speed Steptronic automatic transmission is a crucial part of the powertrain, offering smooth and efficient gear changes. This transmission is known for its quick responsiveness and ability to adapt to driving conditions. The transmission’s gear ratios are tuned to maximize fuel efficiency while still providing adequate acceleration.
Driving Characteristics
The X1 25d delivers a composed and refined driving experience. The 450 Nm (331.9 lb-ft) of torque, available from 1500-3000 rpm, provides ample pulling power for everyday driving and overtaking maneuvers. While not as overtly sporty as some of its gasoline-powered siblings, the 25d offers a respectable 0-60 mph time of around 6.3 seconds. The xDrive all-wheel-drive system enhances traction and stability, particularly in adverse weather conditions. The 8-speed automatic transmission contributes to a smooth and seamless driving experience, with minimal noticeable gear changes. Compared to the base petrol models, the 25d offers significantly more torque and a more relaxed driving experience, especially on the highway. Compared to the more powerful X1 30d, the 25d provides a more economical option without sacrificing a substantial amount of performance.
Equipment & Trim Levels
The X1 25d typically came well-equipped, reflecting its position as a mid-range offering. Standard features often included BMW’s iDrive infotainment system with a 6.5-inch display (later upgraded to larger screens), automatic climate control, and a leather-wrapped steering wheel. Upholstery was typically cloth or a combination of cloth and leatherette. Optional extras included a panoramic sunroof, upgraded leather upholstery, a premium sound system, and various driver-assistance features such as lane departure warning and adaptive cruise control. Trim levels varied by market, but generally offered packages that bundled together popular options.
Chassis & Braking
The X1 25d utilizes a MacPherson strut front suspension and a multi-link rear suspension, providing a comfortable and controlled ride. The suspension is tuned to balance ride comfort with handling agility. The xDrive all-wheel-drive system employs a multi-plate clutch to distribute torque between the front and rear axles as needed. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESC) are standard features, enhancing safety and stability.
Market Reception & Comparison
The X1 25d was generally well-received by automotive critics, who praised its fuel efficiency, comfortable ride, and refined powertrain. It was often seen as a practical and sensible choice for buyers seeking a premium compact SUV. Compared to its competitors, such as the Audi Q3 and Mercedes-Benz GLA, the X1 25d offered a competitive blend of performance, features, and price. Fuel economy was a key strength, with the 25d consistently achieving impressive MPG figures in real-world testing. Reliability was generally good, although some owners reported minor issues with the diesel particulate filter (DPF).
Legacy
The B47 engine family, including the B47C20B found in the X1 25d, has proven to be relatively reliable, although preventative maintenance, particularly regarding the DPF, is crucial. On the used car market, the X1 25d represents a good value proposition, offering a premium SUV experience at a reasonable price. Its fuel efficiency and comfortable ride continue to appeal to buyers seeking a practical and economical vehicle. However, potential buyers should be aware of the potential for DPF-related issues and ensure that the vehicle has been properly maintained.
