| Performance and efficiency | 128i | 135i |
| 3.0 liter dual overhead cam 24 valve inline 230 horsepower 6 cylinder engine with composite magnesium/aluminum
engine block, Valvetronic and double VANOS steplessly variable valve timing |
std |
|
| 3.0 liter dual overhead cam 24 valve inline 300 horsepower 6 cylinder engine with twin turbo technology piezo
fuel injection engine block, and double VANOS steplessly variable valve timing |
|
std |
| Electronic Throttle control |
std |
std |
| 6 speed manual transmission |
std |
std |
| 6 speed steptronic automatic transmission with adaptive transmission control |
opt |
opt |
| steering wheel mounted paddle shifters |
opt |
opt |
| Handling ride and braking | 128i | 135i |
| Dynamic stability control (DSC) including brake fade compensation, start off assistance, brake drying and brake
stand by features, with dynamic traction control (DTC) |
std |
std |
| Extensive aluminum componentry including front suspension components (forgeed aluminum lower arms, steering
knuckle) subframe, steering rack and brake components |
std |
std |
| Aluminum double pivot spring and strut type suspension |
std |
std |
| Five-link fully independent rear suspension in lightweight steel |
std |
std |
| Front and rear anti-roll (stabilizer bars |
std |
std |
| Twin-tube gas pressure shock absorbers |
std |
std |
| Sport suspension calibration |
1 |
std |
| 4-wheel ventilated anti-lock brakes with Dynamic Brake control (DBC) |
std |
std |
| Electric power steering with servotronic power assist |
std |
std |
| Active steering |
opt |
opt |
| std=standard opt=optional 1=included in sport package |