BMW Group and Rimac Technology cooperate on innovative high-voltage battery for the BMW i7

• Innovative solutions for more energy, more range, and faster charging.
• Gen6 battery utilizes cylindrical cells for a 20% higher energy density.
• The new 7 Series will debut on April 22^nd at concurrent events in the US and China.

Woodcliff Lake, NJ – April 7, 2026… BMW is cooperating with Rimac Technology (Croatia) on the new all-electric BMW i7. The aim of the joint project is to bring the Gen6 technology developed by BMW for an innovative high-voltage storage system for more range and higher charging speed to the new all-electric BMW 7 Series.

The sixth generation of BMW eDrive technology (Gen6) is finding its way into the BMW brand's top-of-the-range all-electric model in the form of its 4695 lithium-ion cylindrical cell. The cell is characterized by, among other things, a 20% higher volumetric energy density compared to the prismatic cells of the Gen5. 

The high-voltage battery, which combines Gen6 cell technology with the established Gen5 module design, enables the new BMW i7 to achieve a significantly increased range. 

BMW i7 customers can also charge much faster thanks to the newly developed technology. The charging capacity is increased and the charging time reduced accordingly.

The new BMW 7 Series will celebrate its world premiere on April 22^nd simulatneously at Auto China 2026 in Beijing and at a special event in New York City.

"We are quickly rolling out the technologies of the Neue Klasse across our entire model portfolio - including, of course, in our all-electric luxury sedan. The teams of both companies have developed a tailor-made solution for the new BMW i7," says Dr. Thomas Engelhardt, Senior VP Development HighVoltage Storage and Charging at the BMW Group. "The excellent collaboration with Rimac Technology is a good example of European innovative strength."

The high-voltage battery is manufactured on state-of-the-art equipment at Rimac Technology in Croatia and delivered ready for assembly at BMW Group Plant Dingolfing, the world's only production facility for the BMW 7 Series. 

Mate Rimac, Founder and President of Rimac Group, CEO and CTO Bugatti Rimac says, “BMW has always been known for pushing engineering to the highest level, which made this collaboration especially exciting for us. Together, we developed a high-voltage battery system that unlocks the full potential of the new cylindrical cells in record time, delivering significant improvements in energy, range, and charging performance. We are proud to now see this system being produced at scale at our new Rimac Campus.” 

Rimac Technology is a Tier 1 supplier belonging to the Rimac Group that specializes in electrification in the automotive sector with innovative products. The portfolio is defined by high-voltage battery systems, e-axles as well as electronics and software solutions that are developed and produced in-house. This makes it possible to offer solutions that combine advanced technology with a high degree of customization. The long-term partnership with BMW demonstrates the company's transformation from a niche supplier for super sports cars to a Tier 1 supplier for high-volume vehicle projects.

BMW Group in the United States

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