F21 M135iR

The BMW M135i F21 features turbocharged 3.0-liter N55 inline-6 engine producing 320 horsepower (235 kW) at 5800 RPM with 332 pound-feet (450 Newton-meters) torque from 1300-4500 RPM through six-speed manual or optional eight-speed automatic transmission and rear-wheel-drive achieving 5.1-second 0-62 mph acceleration and 155-mph (250-kilometer-per-hour) electronically-limited top speed representing M Performance hot hatch with three-door body style featuring sport-tuned suspension with M-specific dampers and limited-slip differential providing characteristic BMW rear-drive dynamics in compact package with aggressive M aerodynamic kit and distinctive quad exhaust outlets establishing premium performance hatchback segment leadership with refined inline-6 character and precise chassis balance representing first-generation 1-Series M Performance variant with sophisticated electronic differential control.

M135i F21 launched 2012 represents BMW three-door hot hatch establishing rear-wheel-drive performance compact competing against Volkswagen Golf R and Audi S3 establishing unique rear-drive advantage with turbocharged N55 engine offering smooth power delivery and strong torque curve produced until 2015 before LCI facelift increasing output to 326 horsepower establishing strong enthusiast following for pure rear-drive dynamics and inline-6 character continuing BMW compact performance tradition with F20 five-door variant also available representing first M Performance 1-Series establishing segment benchmark for driving engagement with characteristic BMW steering precision and balanced chassis dynamics replaced by M140i with upgraded B58 engine establishing foundation for BMW hot hatch legacy with sophisticated electronic systems and premium interior quality.