The BMW X1 M35i xDrive Steptronic, launched in June 2023 as part of the U11 generation, represents the performance-oriented variant of BMW’s subcompact luxury SAV (Sports Activity Vehicle). Positioned as the flagship trim level, it offers a significant step up in power and driving dynamics compared to the base X1 models, such as the sDrive28i. The U11 X1 marked a substantial redesign for the model, moving to a new front-wheel-drive based platform (though the M35i features all-wheel drive) and incorporating BMW’s latest technology and interior design language. This model aims to appeal to buyers seeking a sporty and practical compact SUV with a premium feel.
Technical Specifications
| Brand | BMW |
| Model | X1 |
| Generation | X1 (U11) |
| Type (Engine) | M35i (300 Hp) xDrive Steptronic |
| Start of production | June, 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SAV |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 8-8.5 l/100 km (29.4 – 27.7 US mpg, 35.3 – 33.2 UK mpg, 12.5 – 11.8 km/l) |
| CO2 emissions (WLTP) | 181-192 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.4 sec |
| Acceleration 0 – 62 mph | 5.4 sec |
| Acceleration 0 – 60 mph | 5.1 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6d |
| Weight-to-power ratio | 5.6 kg/Hp, 180.2 Hp/tonne |
| Weight-to-torque ratio | 4.2 kg/Nm, 240.2 Nm/tonne |
| Power | 300 Hp @ 5750-6500 rpm |
| Power per litre | 150.2 Hp/l |
| Torque | 400 Nm @ 2000-4500 rpm (295.02 lb.-ft. @ 2000-4500 rpm) |
| Engine layout | Front, Transverse |
| Engine displacement | 1998 cm3 (121.93 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 82 mm (3.23 in.) |
| Piston Stroke | 94.6 mm (3.72 in.) |
| Compression ratio | 9.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Valvetrain | VALVETRONIC |
| Engine oil capacity | 5.25 l (5.55 US qt | 4.62 UK qt) |
| Kerb Weight | 1665 kg (3670.7 lbs.) |
| Max. weight | 2240 kg (4938.35 lbs.) |
| Max load | 575 kg (1267.66 lbs.) |
| Trunk (boot) space – minimum | 540 l (19.07 cu. ft.) |
| Trunk (boot) space – maximum | 1600 l (56.5 cu. ft.) |
| Fuel tank capacity | 54 l (14.27 US gal | 11.88 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Length | 4505 mm (177.36 in.) |
| Width | 1845 mm (72.64 in.) |
| Width including mirrors | 2104 mm (82.83 in.) |
| Height | 1622 mm (63.86 in.) |
| Wheelbase | 2692 mm (105.98 in.) |
| Front track | 1585 mm (62.4 in.) |
| Rear (Back) track | 1587 mm (62.48 in.) |
| Front overhang | 877 mm (34.53 in.) |
| Rear overhang | 936 mm (36.85 in.) |
| Ride height (ground clearance) | 189 mm (7.44 in.) |
| Minimum turning circle (turning diameter) | 11.7 m (38.39 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 7 gears, automatic transmission Steptronic |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| 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 | 245/45 R19 102Y XL |
| Wheel rims size | 8J x 19 |
Powertrain & Engine Architecture
The heart of the X1 M35i is the BMW B48 2.0-liter turbocharged inline-four cylinder engine. This engine, part of BMW’s modular engine family, utilizes direct fuel injection and a twin-scroll turbocharger to deliver 300 horsepower and 295 lb-ft of torque. The engine also features BMW’s VALVETRONIC technology, which allows for precise control of valve lift and timing, optimizing both performance and efficiency. The engine is transversely mounted in the front of the vehicle. The power is then sent to all four wheels via BMW’s xDrive all-wheel-drive system and a seven-speed Steptronic automatic transmission. This transmission is known for its smooth and quick shifts, and includes paddle shifters for manual control. The B48 engine is known for its responsiveness and relatively smooth operation, despite being a turbocharged four-cylinder.
Driving Characteristics
The X1 M35i offers a noticeably more engaging driving experience than the standard X1 models. The 300 horsepower engine provides brisk acceleration, achieving 0-60 mph in approximately 5.1 seconds. The xDrive all-wheel-drive system provides excellent traction in various conditions, enhancing stability and confidence. The seven-speed Steptronic transmission is well-tuned, offering both seamless automatic shifts and responsive manual control via the paddle shifters. While not a dedicated sports car, the M35i delivers a sporty feel with precise steering and a well-controlled suspension. Compared to the base X1, the M35i’s suspension is slightly firmer, providing better body control during cornering, but without sacrificing too much ride comfort. The gear ratios are optimized for acceleration, with shorter ratios in the lower gears.
Equipment & Trim Levels
The M35i trim comes standard with a comprehensive list of features. Interior appointments include sport seats upholstered in Sensatec and Alcantara, a leather-wrapped steering wheel, and aluminum interior trim. Standard technology features include BMW’s iDrive 8 infotainment system with a curved display encompassing a 10.25-inch digital instrument cluster and a 10.7-inch central touchscreen. Other standard features include automatic climate control, a panoramic sunroof, and parking sensors. Optional extras include premium audio systems, adaptive cruise control, and a head-up display. The M35i also benefits from M-specific styling cues, including unique exterior trim, M badging, and a sport exhaust system.
Chassis & Braking
The U11 X1 M35i utilizes a front-wheel-drive based chassis, but with the addition of the xDrive all-wheel-drive system. The suspension consists of independent McPherson struts at the front and a multi-link setup at the rear. The M35i benefits from a slightly stiffer suspension tuning compared to other X1 models, improving handling and reducing body roll. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. The X1 M35i also includes standard safety features such as ABS, stability control, and multiple airbags.
Market Reception & Comparison
The X1 M35i has been generally well-received by automotive critics, who praise its performance, handling, and luxurious interior. It’s often compared to other compact luxury SUVs such as the Audi Q3 and Mercedes-Benz GLA. The X1 M35i offers a more engaging driving experience than many of its competitors, while still providing a comfortable and practical interior. Fuel economy is respectable for its class, with combined fuel consumption ranging from 8-8.5 l/100 km. Reliability is generally considered good, based on BMW’s reputation and the proven track record of the B48 engine. However, some owners have reported minor issues with the infotainment system.
Legacy
The U11 X1 M35i represents a significant step forward for BMW’s subcompact SUV. The combination of a powerful engine, all-wheel drive, and a well-tuned chassis makes it a compelling option for buyers seeking a sporty and luxurious compact SUV. The B48 engine is expected to be a reliable and durable powertrain, and the U11 X1’s modern technology and features should ensure its continued appeal in the used car market for years to come. As BMW continues to electrify its lineup, the M35i may become a sought-after model for enthusiasts who prefer a traditional gasoline engine.
