The BMW Z4 sDrive35is is making its world debut in 2011 at the 2010 North American International Auto Show (NAIAS) in Detroit. The turbocharger system developed for the engine of the new BMW Z4 sDrive35is maintains a high output right through the entire engine speed range. Nominal peak torque is boost up to 332 lb-ft from 1,500 rpm to 4,500 rpm. Maximum output of 335 hp (horsepower) is delivered at 5,900 rpm.
The improved engine management system of the BMW Z4 sDrive35is includes an electronically-controlled overboost function to briefly boost torque under full load by another 37 lb-ft. This temporary torque peak of 369 lb-ft gives the car a significant increase in acceleration. The BMW Z4 sDrive35is will complete the sprint from a standstill to 60 mph in just 4.7 seconds (preliminary). Top speed of the BMW Z4 sDrive35is is limited electronically to 250 km/h or 155 mph.
The BMW Z4 sDrive35is includes new M Sport upgrades such as M Aerodynamics and adaptive M Suspension. The adaptive M Suspension combines a ride-height reduction of 10 mm (almost 0.4″) with electronically controlled shock absorbers (Dynamic Damping Control) to improve the vehicle’s agility without compromising ride comfort. There is a special 18-inch light-alloy wheels in five-spoke design round off the sporty character of the Z4 sDrive35is. 19-inch light-alloy wheels are available as an alternative. 
The BMW Z4 sDrive35is arrives at approved BMW Centers in spring 2010. 
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