BMW revealed pictures and details of the latest edition of the Z4 model which will debut next month during Detroit Motor Show. The 2011 Z4 sDrive35is, terrible name by the way, is set to be the top performer in the roadster segment. It actually explains why BMW killed plans for a M-powered Z4. As you have noticed, this car has the letter “s” at the end of its names, and that alone gives the game away!
You see this new model is equipped with an updated version of BMW’s 3.0 liter twin-turbo direct-injection I-6 engine which develops 335hp and 500 Newton-metres/369 lb-ft of torque. That’s 35hp more than the current model. This powerunit combined with a seven-speed Sport Automatic featuring double clutch operation, help the Z4 to deliver amazing performance. zero to 100 km/h takes only 4.8 seconds, but as usual top speed is limited to 250. The average fuel consumption for this engine is 9.0 liters per 100 kilometers (equal to 26.1 mpg US) while CO2 emissions is 210 grams per kilometer.
Modified engine management on the BMW Z4 sDrive35is also allows the use of an Overboost function briefly increasing engine torque under full load by another 50 Newton-metres or 37 lb-ft. The car also receives some gifts form BMW EfficientDynamics department, such as Brake Energy Regeneration, EPS Electric Power Steering and on-demand control and management of ancillary units likewise help to reduce both fuel consumption and emissions.
One other cool feature of this engine is its characteristic exhaust noise. The engine is fitted with special sound flaps and modifications on the silencers in order to have a deep rumbling sound. Th Z4 sDrive35is also comes as standard with an M Sports Package including the M Aerodynamics Package and adaptive M Suspension featuring electronically controlled dampers for even greater agility without making any concessions in terms of comfort.