Just in time for the upcoming summer season, BMW introduced a special version of the Z4, which was created to celebrate the 70th anniversary of victory Kamm Coupe 328 Rally at the legendary Mille Miglia. The car will be available only in the modification Z4 sDrive35is, as it will produce only 99 units, and by the German company decided to offer it only to customers in Italy. BMW Z4 sDrive35is Mille Miglia is dull color Polaris, similar to 328 Kamm Coupe. Roudstarat is equipped with M-Sport bodykit, 19-inch wheels, sport seats and special trim style 40 years of last century. Car engine is the standard 3.0-liter twin-turbocharged, whose power is 340 h.p. at 5 800 rev/min. and its maximum torque of 450Nm achieved., which already at 1 400ob/min. With this engine acceleration from 0 to 100 km/h for only 4.8 sec going for.

The German company BMW released pictures and information about GT3 version of the new Z4, which is intended exclusively for private clubs in a set of GT3 FIA, International GT Open, ADAC GT Masters and other events. The car is powered by a V8 engine 4.0-liter BMW M3 GT2, which delivers power over 480 h.p. , and combined with six-speed sequential transmission with Quick Shift function. The weight of the BMW Z4 GT3 is only 1200 kg. As has been achieved mainly thanks to the bodykit which is made of plastic and carbon elements. From a mechanical point of view, the car received new front axle and anti-lock braking system, but the interior is fitted with mandatory safety cage. Any team wishing to equip their pilots with the BMW Z4 GT3, should be able to pay at least € 298,000.

The tuning specialist AC Schnitzer, who has extensive experience in the elaboration of motor vehicles under the brand BMW, provide sports programs for the most powerful modification of the Z4 Roadster – 3.5i. The 3.0-liter power engine was increased from 306 to 360 h.p. standard, for the purpose of the AC Schnitzer engineers have modified the block management unit and replace the exhaust system. Result is achieved by acceleration 0-100km / h. for 4.9sec which is 0.2sec faster than the standard Z4 3.5i. German tuner has developed a very stylish bodikit consisting of a chrome grille, modified front bumper, additional air vents in the front fenders and a new rear spoiler. For the BMW Z4 3.5i is available 18-inch wheels Type IV or 19 and 20-inch Type VI.

From BMW recently announced that they are likely not to put M-version of the new Z4, but this was clearly not a problem for fans of those cars as a solution the company invented Manhart Racing. Specialists were able to introduce 5.0-liter V10 engine from the M5 and M6 models in the new BMW Z4, even increased its output from standard 507 to 550 h.p. Manhart Racing car equipped with an exhaust system in AC Schnitzer, Bilstein sport suspension and 19-inch wheels covered with 285/30 ZR19 tires in front and 235/35 ZR19 rear. BMW Z4 has also received the gearbox and differential of M5, a result of improvements made on the car is acceleration from 0-100 km / h for 3.9sec and develop a maximum speed of 300 kilometers per hour