2009 BMW 135i Cabrio 0-60, quarter mile, specs
| 0-60 mph | 5.3 seconds |
| 0-100 kph | 5.6 seconds |
| Top speed | 250 kph / 155 mph |
| Curb weight | 1600 kilograms (3527 pounds) |
| Year introduced | 2009 |
| Displacement | 3000 cubic centimeters (3.0 liters / 183 cubic inches) |
| Maximum power | 306 metric horsepower (302 brake horsepower / 225 kilowatts) |
| Maximum torque | 400 Newton-meters (295 pound-feet) |
| Engine location | front-mounted |
| Drive | rear wheel drive |
BMW 135i Cabrio 0-60 and acceleration in miles per hour
| 0-10 mph | 0.8 s |
| 0-20 mph | 1.6 s |
| 0-30 mph | 2.4 s |
| 0-40 mph | 3.2 s |
| 0-50 mph | 4.1 s |
| 0-60 mph | 5.3 s |
| 0-70 mph | 6.9 s |
| 0-80 mph | 9.0 s |
| 0-90 mph | 11.1 s |
BMW 135i Cabrio quarter mile and acceleration in feet
| 300 feet | 6.1 s @ 66 mph |
| 1/8 mile | 9.4 s @ 88 mph |
| 1000 feet | 11.9 s @ 98 mph |
BMW 135i Cabrio acceleration times in kilometers per hour
| 0-10 kph | 0.5 s |
| 0-20 kph | 1.0 s |
| 0-30 kph | 1.5 s |
| 0-40 kph | 2.0 s |
| 0-50 kph | 2.4 s |
| 0-60 kph | 2.9 s |
| 0-70 kph | 3.5 s |
| 0-80 kph | 4.1 s |
| 0-90 kph | 4.8 s |
| 0-100 kph | 5.6 s |
| 0-110 kph | 6.6 s |
| 0-120 kph | 7.9 s |
| 0-130 kph | 9.2 s |
| 0-140 kph | 10.5 s |
| 0-150 kph | 11.6 s |
| 0-160 kph | 12.4 s |
BMW 135i Cabrio distance acceleration in meters
| 100 meters | 6.4 s @ 110 kph |
| 200 meters | 9.4 s @ 141 kph |
| 300 meters | 11.8 s @ 157 kph |
