BMW iX to be delivered from November

BMW iX to be delivered from November

BMW has given more details on the launch of the iX, with the E-SUV set to begin deliveries worldwide in November. There are also some more details on the technology - and a new top model in the range.

It is already known that the Munich company will offer the iX in two variants at market launch. The iX xDrive40 with 240 kW output will be available in Germany at prices starting at 77,300 euros, the iX xDrive50 with 385 kW starts at 98,000 euros.

BMW has now announced that the iX M60 will be added to the model range at a later date. According to current forecasts, the top model will have a system output of up to 440 kW and provide "particularly sporty performance in all-electric driving". BMW is not yet giving any details about the battery of the iX M60, however.

It is possible that this is the battery from the iX xDrive50, which has a usable energy content of 105.2 kWh (gross: 111.5 kWh), which should give the 50 a range of 630 kilometres according to WLTP. The high-voltage storage in the 40 comes to 71 kWh net with 76.6 kWh gross.

What's interesting about the batteries is that BMW not only states the maximum charging power (200 kW for the large battery and 150 kW for the small battery), but also publishes detailed charging curves. For example, the charging power of the 105 kWh battery is around 175 kW at a very low charge level, rising to 195 kW at around 35 percent State of Charge (SoC). This is followed by a cut-off to around 160 kW, which is maintained until around 50 percent SoC. Subsequently, the charging power drops steadily to just over 90 kW at 80 percent SoC. Charging from ten to 80 percent is said to take around 35 minutes, which corresponds to an average charging power of 126 kW. At a low charge level and the highest charging power, it should be possible to charge power for 150 kilometers in ten minutes.

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With the 71 kWh battery, the charging curve published by BMW looks somewhat different, the iX cannot reach the extremely long plateau at 150 kW of an Audi e-tron quattro. Only up to about 20 percent SoC does the BMW remain close to the 150 kW mark, up to about 40 percent at least in the range of 140 kW. After that, the power is reduced in several stages until at 80 percent SoC the 50 kW is undercut. The usual charging window from ten to 80 percent should be able to be charged in 31 minutes, which corresponds to 96 kW on average. By the way, the AC charging power is 11 kW for both batteries.

To increase the efficiency of the drive, BMW has developed adaptive recuperation. BMW describes the system as follows: "The intelligent networking of the drive control system makes it possible to adjust the intensity of energy recovery in the overrun and braking phases to the traffic situation determined with the aid of navigation data and the sensors of the driver assistance systems. For example, when approaching an intersection, the recuperation power can be increased, thus simultaneously feeding energy into the high-voltage battery and using the deceleration effect. On the other hand, on a free stretch of road, the sailing function can also be activated, with which the BMW iX rolls along without drive torque as soon as the accelerator pedal is relieved."

Incidentally, the maximum recuperation power of the iX xDrive50 is 208 kW, while the maximum specified for the iX xDrive40 is 164 kW. Adaptive recuperation is activated by default in drive mode D. The maximum possible recuperation power for "one-pedal driving" is automatically applied in drive mode B. Those who do not wish to use adaptive recuperation can also set high, medium or light energy recuperation as the default in the iDrive menu.