Those interested should head to their BMW dealer now as deliveries to customers start in May.
The exciting news is the availability of the 135i/335i/740i engine, the 3.0-litre twin turbo-charged straight six-cylinder for the Z4 Roadster.
The new Z4 will also be available with a retractable hardtop. Thew new Z4 will follow BMW's new naming structure and will now be referred to as Z4 sDrive35i.
From a design perspective the new Z is following the companies new design philosophy and is instantly recognisable as a BMW sportscar.
The two-time engine of the year manages 225 kW of power, and 400 Nm of torque (at just 1,300 rpm) allowing for excellent acceleration figures of just 5.1 seconds for the 0-100 km/h sprint.
The 0-100km/h times are quoted with the fitment of the optional seven-speed sports automatic with double clutch transmission.
Fuel economy also drops to 9.4-litres per 100 km when optioned out with the seven-speed gearbox.
Like the new 7 Series, Dynamic Drive Control is fitted as standard, allowing for the driver select NORMAL, SPORT or SPORT+ for more responsive throttle mapping, engine, steering and gearshift settings.
BMWs Z4 at the motorshow will be fitted with the German company's Adaptive M Suspension (lowering the ride height by 10 mm).
The Z4s new two-piece electrohydraulically retractable top now folds or rises in just 20 seconds meanwhile you still get 310 litres of luggage spac with the roof up.
New features include the latest generation iDrive (optional), offered for the first time in a Z. The 2009 BMW Z4 is produced at BMW's Regensburg factory in Germany.
CarAdvice will bring you live coverage of the motorshow this Friday. Also expect a review of the new Z4 in the coming months.