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Process heat – powered by electricity: CO2 reduction through power-to-heat technology.

+++ Dingolfing Plant 02.10 takes electrically heated hardening furnace into series operation +++ Site uses innovative power-to-heat technology for the first time +++ Furnace saves some 300 tonnes CO2 a year +++

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Thomas Niedermeier
BMW Group

Tel: +49-8731-76-27666

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Thomas Niedermeier
BMW Group

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Dingolfing

Dingolfing. For the first time, chassis and drive component production in Plant 02.10 at the BMW Group site in Dingolfing is operating an electrically heated ring hearth furnace. Compared with its conventional gas-powered equivalent, the latest electric furnace currently saves some 300 tonnes of CO2 a year.

“The new furnace has a planned service life of over 40 years, so it’s a future-focused piece of equipment that sets the course for our journey to net zero,” said Marc Sielemann, responsible for quality and production of powertrains, chassis and brakes with Purchasing, and director of the Dingolfing component plant 02.10. The BMW Group has set itself the target of being climate neutral along the entire value chain by 2050 at the latest.

With its innovative power-to-heat technology, the hardening furnace came at an investment of approx. €7 million.

New hardening furnace for e-drive components

Plant 02.10 in Dingolfing produces chassis and drive components for BMW, MINI and Rolls-Royce vehicles. To make them more hard-wearing, the parts are hardened in special furnaces. As electric mobility ramps up, more and more components are being manufactured, including for electric drives. Existing systems are gradually reaching the limits of their capacity, so a new ring hearth furnace with a fixture hardening press was needed.

Used to harden gear wheels for electric transmissions, the innovative system has production capacity of approx. 960,000 spur gears a year. What’s special about it is that unlike the two existing furnaces, which are powered by gas, a fossil fuel, this new solution is for the first time powered by electricity.  Rather than using 33 gas flames in ceramic-jacketed pipes, as the older model does, the new furnace uses the same number of electric heating elements to heat up to 900 degrees Celsius.

Lower CO2 emissions

Electric heat generation – or power-to-heat technology, as it is called – saves vast amounts of greenhouse gases, which are harmful to the climate. By running on electricity, the new hardening oven emits approx. 300 tonnes less CO2 a year than its gas-powered equivalent.

“Energy-intensive power-to-heat systems like this new electric ring hearth furnace support the decarbonisation of heat generation – an essential aspect of climate protection. They generate heat by climate-friendly means and can be powered among other things with excess energy from renewables,” said Sielemann. So, the new power-to-heat furnace not only reduces gas consumption at Plant Dingolfing but also supports the integration of renewable energies into the electricity grid. It is another component in BMW Group Plant Dingolfing’s transformation to a sustainable BMW iFACTORY. “For the future,” said Sielemann, “we are looking into converting the remaining hardening furnaces to electricity as well.”


Caption
Image 01: The new electrically powered hardening furnace in the BMW Group’s component plant 02.10 in Dingolfing.

If you have any questions, please contact:

 

Julian Friedrich, BMW Group Plant Dingolfing, Head of Corp. Communication

Phone: +49 8731 76 22020, E-Mail: Julian.Friedrich@bmw.de

 

Thomas Niedermeier, BMW Group Plant Dingolfing, Corporate Communication
Phone: +49 8731 76 27666, E-Mail: Thomas.Niedermeier@bmw.de

 

Internet: www.press.bmwgroup.com, www.bmw-werk-dingolfing.de

Instagram: https://www.instagram.com/bmwgroupwerkdingolfing/

E-mail: presse@bmw.de

 

 

BMW Group Plant Dingolfing

 

Plant Dingolfing is the BMW Group’s largest European production site.

Around 1,500 BMW 4, 5, 6, 7 and 8 Series cars, as well as the new fully electric BMW iX, come off its production lines every day. A total of around 282,000 vehicles were built at the plant in 2022.

 

More than 18,000 people currently work at the site and 850 apprentices are being trained in 15 occupations. This makes the BMW Group site in Dingolfing not only by far the region's biggest employer, but also one of the country's largest industrial production sites and vocational training facilities.

 

In addition to cars, vehicle components such as pressed parts and chassis and drive systems are also produced in Dingolfing. Component plant 02.20 is also home to the company-wide Competence Centre for E-Drive Production, which supplies the BMW Group’s vehicle plants worldwide with electric motors and high-voltage batteries for production of plug-in hybrids and pure electric models.

 

The car bodies for all Rolls-Royce models are also built at the site. The so-called Dynamics Centre, a large storage and transshipment facility at the heart of the BMW Group’s central aftersales logistics, provides the global BMW and MINI retail organisation with original parts and equipment.

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CO2 emission information.

Fuel consumption, CO2 emission figures and power consumption and range were measured using the methods required according to Regulation VO (EC) 2007/715 as amended. They refer to vehicles on the German automotive market. For ranges, the NEDC figures take into account differences in the selected wheel and tyre size, while the WLTP figures take into account the effects of any optional equipment.

All figures have already been calculated based on the new WLTP test cycle. NEDC figures listed have been adjusted to the NEDC measurement method where applicable. WLTP values are used as a basis for the assessment of taxes and other vehicle-related duties which are (also) based on CO2 emissions and, where applicable, for the purposes of vehicle-specific subsidies. Further information on the WLTP and NEDC measurement procedures is also available at www.bmw.de/wltp.

For further details of the official fuel consumption figures and official specific CO2 emissions of new cars, please refer to the “Manual on the fuel consumption, CO2 emissions and power consumption of new cars”, available at sales outlets free of charge, from Deutsche Automobil Treuhand GmbH (DAT), Hellmuth-Hirth-Str. 1, 73760 Ostfildern-Scharnhausen and at https://www.dat.de/co2/.

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