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BMW 1 Series F21 M140i Steptronic

2015 – 2020

7.1

Fuel Economy

4.6

0–60

340

Horsepower

BMW›1 Series›F21›M140i Steptronic

The M140i Steptronic pairs the 340 hp B58 inline-six and 500 Nm of torque with an eight-speed automatic gearbox while retaining rear-wheel drive, shaving the 0-100 km/h time to 4.6 seconds compared to the manual variant. The Steptronic transmission allows faster, more consistent gear changes without sacrificing the rear-wheel-drive handling balance that defines the M140i. It broadens the model's appeal to drivers who prioritize outright pace over a manual driving experience.