The BMW Group recently officially released the sixth-generation eDrive electric drive system as the core power solution for new-generation models.The system relies on a global 800V high-voltage architecture, a revolutionary large cylindrical battery and a high-efficiency motor combination to achieve a breakthrough performance of over 900 kilometers under CLTC operating conditions, and uses actual measured data to support the promise of "not false standards".
The most significant upgrade of the sixth-generation eDrive is the global 800V high-voltage architecture, mass production of 4695 large cylindrical batteries, a 20% increase in energy density, and system efficiency optimization to achieve a 30% increase in cruising range. It supports up to 400kW charging power, can replenish 400 kilometers of battery life in 10 minutes, and completes 10%-80% charging in 21 minutes.
The new generation BMW iX3 50 xDrive is equipped with a 108.7kWh battery pack, with a WLTP range of up to 805 kilometers, and a CLTC operating range of over 900 kilometers. The official power consumption is as low as 15.1kWh/100km, and the measured endurance rate is extremely high.
In addition to the battery, the electric drive has also been greatly upgraded. The motor configuration adopts an innovative combination of front asynchronous motor (ASM) + rear electric excitation synchronous motor (EESM) to achieve a rare earth independent drive architecture and get rid of dependence on permanent magnet materials.
The flat wire winding slot full rate reaches 80%, copper consumption is reduced by 12%, the composite heat dissipation system reduces the continuous high load temperature rise rate by 30%, the silicon carbide (SiC) semiconductor inverter energy loss is reduced by 40%, and the highly integrated design reduces the weight of the electric drive unit by 10% while improving reliability.
The BMW Energy Intelligent Control System implements vehicle-level energy dynamic management. The overall system efficiency is increased by about 20%, energy loss is reduced by 40%, and costs are reduced by 20%, achieving a balance between performance and economy. It also supports remote OTA to continuously optimize performance, and cooperates with intelligent safety electronic insurance to ensure the safety of the high-voltage system.
The system supports flexible expansion from a single-motor rear drive to a four-motor all-wheel drive, with a maximum output of 1MW (1340hp), meeting the needs from daily commuting to M series high-performance, adapting to multiple scenarios such as camping mode and vehicle external power supply (V2L). The efficient thermal management system can adapt to extreme environments from - 30°C to 55°C.
