The BMW Brilliance Automotive (BBA) joint venture in China has expanded its battery factory at Tiexi location, the so called High Voltage Battery Centre, with a further facility producing the new and more powerful batteries of fifth generation eDrive technology used in the iX3 EV.

BMW production head Milan Nedeljkovic said: "We [have] more than double[d] capacity of our local battery production in China."

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BBA president Johann Wieland said: "The expansion is concrete proof of our commitment to continue investing in Shenyang, Liaoning and north eastern China."

China is BMW's largest single market and it has sold 75,000 electrified models there.

Production of iX3 EV starts at Dadong by the end of September.

The expanded battery factory is the first group factory to manufacture the latest batteries. They will also be made later in Dingolfing, Germany.

"By producing high-voltage batteries where they are needed, the company is able to minimise transportation and thus contributes to sustainability," the automaker said.

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