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BMW 1 Series F21 M135i Steptronic xDrive

2015 – 2020

7.8

Fuel Economy

4.7

0–60

326

Horsepower

BMW›1 Series›F21›M135i Steptronic xDrive

The M135i Steptronic xDrive is the updated all-wheel-drive performance variant of the F21, pairing a 326 hp turbocharged inline-six with an eight-speed automatic transmission for a 0-100 km/h time of 4.7 seconds. The xDrive system distributes torque across both axles for confident all-weather traction, making it the most accessible of the M Performance three-door models for year-round use. It represents the final evolution of the M135i nameplate before BMW moved to the M135i badge on the F40 generation.