BMW is preparing to reintroduce a range-extender (REx) drivetrain to its line-up as part of a renewed push to offer pure-electric driving without the constraints of charging infrastructure – and its first REx model will be the upcoming sixth-generation X5.
Engineering work is claimed to be already well under way in partnership with long-time component supplier ZF and high-ranking BMW sources say the decision to revisit the range-boosting technology comes as global sales of REx models are gaining strong momentum – particularly in China, BMW’s largest market by sales volume.
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