See also:

1998: the fourth generation - common rail direct injection, VALVETRONIC and BMW xDrive
The fourth-generation BMW 3-Series was launched in May 1998 and brought with it another hike in output, comfort and safety. The new model was four centimetres (approx. 1.5 in.) longer and wider th ...

Front seat heating
Switching on Press the button once for each temperature level. The maximum temperature is reached when three LEDs are lit. If the drive is continued within approx. 15 minutes, the seat h ...

Safety
Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...