4-wheel anti-lock disc brakes, ventilated front and rear
Aluminum double-pivot spring and strut-type front suspension
Brake energy regeneration
Brake Energy Regeneration to convert kinetic energy into usable electrical power
Central Link rear suspension with cast-aluminum upper transverse links
Electronic throttle control
Front and rear anti-roll (stabilizer) bars
Front/rear tow hooks
High-rigidity body/chassis unit with aluminum hood
Rear wheel drive
Stronger electricity supply
Twin-tube gas-pressure shock absorbers
Vehicle-speed-sensitive Electric Power Steering with Servotronic power assist
Active Knee Protection
Automatic safety-belt pretensioners
BMW's Advanced Safety System for integrated deployment of safety features
Cornering Brake Control (CBC)
Crash sensor activates Battery Safety Terminal disconnect of alternator, fuel pump and starter from battery, automatically unlocks doors, and turns on hazard and interior lights
Dual-airbag Supplementary Restraint System
Dynamic Stability Control (DSC) including Brake Fade Compensation, Start-off Assistant, Brake Drying, and Brake Stand-by features, with Dynamic Traction Control (DTC)
Emergency trunk release
Mechanism for disabling the deployment of the front, knee and passenger's-side airbag; includes indicator light (see your BMW Z4 Roadster Owner's Manual for further details)