Recently, e-Car learned from BMW official that BMW’s new 4-series convertible was officially released. The new car adopts the classic double door shape and soft top of a convertible, and is equipped with a variety of 2.0T and 3.0T engines with different power. It is available in overseas markets from US $53100 (about RMB 361000). < / P > < p > in terms of appearance, the latest generation of BMW 4-series convertible cars use the durable soft material as the roof in the history of convertible cars, instead of using the folding hardtop like the previous models. The soft top is about 40% lighter than the hard top. In the top-down driving process, the trunk space is 9.0 cubic feet (255 liters), which is 1.2 cubic feet (34 liters) more than before. Inside, with the roof in place, occupants benefit from an additional 0.2 inch of headroom. < / P > < p > the roof can be opened / closed in 18 seconds, and it can be operated when the vehicle speed is below 50km / h. On the m440i model, the roof can be operated by key remote control. On the 430I model, it is an optional function. < / P > < p > the standard configuration of the roof is black, and there is a kind of moonlight black material with metallic luster, which brings a more fashionable appearance, but this kind of roof is also obtained through optional. < / P > < p > BMW’s 4-series convertible is the same as the 4-series coupe in other parts of the body, but it reduces the weight of the roof. In order to cope with the shape of the convertible, BMW has made some adjustments to improve the torsional rigidity of the car body, such as using more rigid side skirts and using more aluminum materials in the body to improve the chassis strength. Engineers are also focusing on noise reduction projects, focusing on the air intake system, engine compartment and chassis sound insulation. In terms of power, the 430I uses a 2.0T turbocharged four cylinder engine with a maximum power of 255 HP (190 kW) and a maximum torque of 400 nm. The 0-96km / h acceleration time of the rear drive model is 5.9 seconds. According to different wheel and tire combinations, the maximum speed of different configuration models is 209km / h or 249km / h. < / P > < p > m440i is equipped with a 3.0T turbocharged in-line six cylinder engine and 48 volt light hybrid technology, with a maximum power of 382 HP (285 kW) and a maximum torque of 500 nm. The 0-96km / h acceleration time of the rear drive type is 5.0 seconds, reaching a speed of 60mph in a few seconds. Same as 430I, according to different wheel and tire combinations, the maximum speed of different configuration models is 209km / h or 249km / h. BMW 4-series convertible car is equipped with 8-speed automatic transmission. M440i rear axle is equipped with m sports differential as standard, and 430I is optional. < / P > < p > BMW 4 series launched four models in overseas market, and the model / price are: 430I convertible model, starting price is 53100 US dollars (about 361000 yuan); 430I xDrive convertible model, starting price is 55100 US dollars (about 375000 yuan); m440i convertible model, starting price is 64000 US dollars (about 436000 yuan); m440i The xDrive convertible starts at $66000.