The BMW X1 (F49 Long) 18Li, produced from August 2016 to July 2019, represents a specific configuration within the second-generation F49 X1 series, primarily aimed at the Chinese market. The “Long” designation indicates an extended wheelbase version, offering increased rear passenger space – a key consideration for buyers in that region. This 18Li variant, powered by a 1.5-liter turbocharged three-cylinder engine producing 136 horsepower, coupled with a six-speed Steptronic automatic transmission and front-wheel drive, served as an entry point into the X1 range, balancing affordability with BMW’s brand prestige and a degree of practicality. It occupied the lower end of the X1 spectrum, positioned below the more powerful 20Li and xDrive models.
Technical Specifications
| Brand | BMW |
| Model | X1 |
| Generation | X1 (F49 Long) |
| Type (Engine) | 18Li (136 Hp) sDrive Steptronic |
| Start of production | August, 2016 |
| End of production | July, 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (combined) | 6.1 l/100 km (38.6 US mpg, 46.3 UK mpg, 16.4 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.5 sec |
| Acceleration 0 – 62 mph | 10.5 sec |
| Acceleration 0 – 60 mph | 10 sec |
| Maximum speed | 195 km/h (121.17 mph) |
| Emission standard | Euro 6 |
| Power | 136 Hp @ 4400-6000 rpm |
| Power per litre | 90.7 Hp/l |
| Torque | 220 Nm @ 1250-4300 rpm (162.26 lb.-ft. @ 1250-4300 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B38A15A |
| Engine displacement | 1499 cm3 (91.47 cu. in.) |
| Number of cylinders | 3 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 4.25 l (4.49 US qt | 3.74 UK qt) |
| Coolant | 6.4 l (6.76 US qt | 5.63 UK qt) |
| Trunk (boot) space – minimum | 505 l (17.83 cu. ft.) |
| Trunk (boot) space – maximum | 1650 l (58.27 cu. ft.) |
| Fuel tank capacity | 61 l (16.11 US gal | 13.42 UK gal) |
| Length | 4565 mm (179.72 in.) |
| Width | 1821 mm (71.69 in.) |
| Height | 1624 mm (63.94 in.) |
| Wheelbase | 2780 mm (109.45 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 6 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 |
| Wheel rims size | 17; 18 |
Powertrain & Engine Architecture
The heart of the X1 18Li is BMW’s B38A15A engine, a 1.5-liter inline three-cylinder gasoline engine. This engine is part of BMW’s modular engine family, designed for efficiency and scalability. It features direct fuel injection, a single twin-scroll turbocharger with an intercooler, and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The turbocharger is crucial for boosting power output from a relatively small displacement engine. The B38 engine is known for its relatively smooth operation for a three-cylinder, thanks to a carefully tuned crankshaft and balancing shafts. The six-speed Steptronic automatic transmission is a conventional torque-converter automatic, offering smooth shifts and a focus on comfort rather than outright performance. It’s programmed to prioritize fuel efficiency and provides a relaxed driving experience.
Driving Characteristics
The 136 horsepower and 162 lb-ft of torque delivered by the 1.5-liter engine provide adequate, but not exhilarating, performance. Acceleration from 0-60 mph takes around 10 seconds, making it competitive within its segment but noticeably slower than the more powerful X1 variants. The Steptronic transmission is tuned for smooth transitions and doesn’t offer particularly aggressive shift points. In real-world driving, the 18Li feels comfortable and capable for everyday commuting and urban driving. The front-wheel-drive configuration contributes to a slight understeer during cornering, but the chassis is well-balanced and provides a secure feel. Compared to the xDrive all-wheel-drive models, the 18Li is lighter and slightly more fuel-efficient, but lacks the added traction and stability in adverse weather conditions.
Equipment & Trim Levels
The X1 18Li typically came equipped with standard features such as automatic climate control, a 6.5-inch infotainment system with iDrive controller, power windows and locks, and a basic audio system. Safety features included ABS, stability control, and multiple airbags. Optional extras included larger alloy wheels, a panoramic sunroof, leather upholstery, upgraded audio systems, and parking sensors. The interior design was typical BMW, with a focus on functionality and a relatively minimalist aesthetic. Upholstery options generally included cloth or a combination of cloth and leatherette. The extended wheelbase of the “Long” version primarily benefited rear passengers, offering increased legroom and headroom.
Chassis & Braking
The F49 X1 utilizes a front-wheel-drive based platform with a MacPherson strut suspension in the front and a multi-link suspension in the rear. This setup provides a good balance between ride comfort and handling. The 18Li variant typically featured ventilated disc brakes on all four wheels, providing adequate stopping power for its weight class. The steering system is a rack-and-pinion setup with electric power assistance, offering a light and precise feel. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The X1 18Li was primarily targeted at the Chinese market, where buyers prioritize space, comfort, and brand prestige. Critics generally praised the X1’s spacious interior and comfortable ride, but noted that the 1.5-liter engine felt underpowered compared to some of its competitors. Fuel economy was a strong point, with the 18Li achieving around 38.6 US mpg in combined driving. Compared to the X1 20Li, which featured a more powerful 2.0-liter engine, the 18Li offered a more affordable entry point into the X1 range, but at the expense of performance. The 18Li also competed with other compact luxury SUVs, such as the Audi Q3 and Mercedes-Benz GLA.
Legacy
The BMW X1 (F49 Long) 18Li, while not a performance standout, represents a significant model in BMW’s strategy for the Chinese market. The B38 engine has proven to be a relatively reliable unit, with few widespread issues reported. On the used car market, the 18Li offers a relatively affordable way to experience BMW ownership, but potential buyers should be aware of its limited power output. Regular maintenance, including oil changes and adherence to BMW’s recommended service intervals, is crucial for ensuring the long-term reliability of the engine and transmission. The extended wheelbase version remains popular in China, where the demand for spacious and comfortable SUVs continues to grow.






