The 2012 BMW 6 Series 640i is equipped with dual front knee airbags, front side airbags, front parking sensors, rear parking sensors, regenerative braking system, dual front active head restraints, 4-wheel abs, power door locks, brake drying, driver side heated door locks, ventilated disc rear brake, alarm anti-theft system, braking assist, ventilated disc front brake, dual front airbags, vehicle immobilizer anti-theft system, latch system child seat anchors, electronic brakeforce distribution, stability control, traction control, occupant sensing passenger airbag deactivation, front seatbelt pretensioners, front seatbelt force limiters, battery disconnect impact sensor.