The 2015 BMW X4 28i is equipped with front side airbags, rear side curtain airbags, front side curtain airbags, rear parking sensors, regenerative braking system, dual front active head restraints, 4-wheel abs, emergency braking preparation, auto-locking power door locks, brake drying, hill descent off-road driving assist, auto off electronic parking brake, ventilated disc rear brake, alarm anti-theft system, braking assist, hill holder control, ventilated disc front brake, dual front airbags, vehicle immobilizer anti-theft system, power brakes, latch system child seat anchors, electronic brakeforce distribution, stability control, traction control, occupant sensing passenger airbag deactivation, front seatbelt pretensioners, front seatbelt force limiters, front emergency locking retractors, post-collision safety system impact sensor, alert system impact sensor, battery disconnect impact sensor, door unlock impact sensor, rear emergency locking retractors, front seatbelt warning sensor, fuel cut-off impact sensor.