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Press release #Mobility Aftermarket
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FILTER+pro, the new Bosch cabin filter, for reliable protection against harmful substances

Independent certification confirms excellent filtration performance of the Bosch FILTER+pro

  • Following extensive air-quality tests, independent certification body attests special suitability of FILTER+pro for allergy sufferers
  • In the new FILTER+pro, several filter layers work in combination to provide clean and healthy cabin air
  • Bosch cabin filter range covers 95 percent of all hybrid and electric vehicles and 96 percent of all passenger cars in Europe
Nico Krespach

Nico Krespach

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Nico Krespach

Nico Krespach
Spokesperson Mobility Aftermarket (spare parts for passenger cars, commercial vehicles, classic cars and modern classics, diagnostic solutions, workshop equipment, repair solutions)

Karlsruhe, Germany – Following extensive air-quality tests, the independent certification body OFI CERT, based in Vienna, Austria, has officially confirmed the quality of FILTER+pro, the new generation of Bosch cabin filters. Among other things, it tested how well allergens are filtered and reduced, as well as the filter’s ability to reduce the risk of germ transmission. The modified Bosch FILTER+pro will supersede the proven FILTER+ in the course of the year. The FILTER+pro is an improvement on its predecessor. It not only deals with allergens, pollen, fine particulates, harmful gases and bacteria, but also combats viruses and mold.

Clean air and a boost for safety and efficiency

In the FILTER+pro, several filter layers work in combination to ensure the best possible cabin-air quality. An antimicrobial layer works efficiently against viruses, bacteria, and pollen and inhibits fungal growth. A carbon layer neutralizes harmful gases and unpleasant odors, while an ultrafine microfiber layer filters out more than 98 percent of all particulate matter measuring more than 2.5 microns. In this way, the cabin filters also contribute to road safety. Allergic reactions can be reduced – such as sneezing, which can be potentially dangerous at the wheel. In addition, windows steam over less, and on the inside of the windshield there are fewer deposits that can contribute to dazzle. In addition, deposits in the air-conditioning system are reduced, which helps keep it functioning properly.

Bosch cabin filters for nearly every passenger car in Europe

With its range of cabin filters for workshops and the aftermarket – whether standard filters, carbon filters, or the new FILTER+pro – Bosch now covers 96 percent of all passenger cars in Europe. For hybrid and electric vehicles, market coverage is also very high, at 95 percent. Bosch now offers a total of 650 different cabin filters, which cover roughly 320 million vehicles in Europe. For nearly every customer, therefore, workshops have the right Bosch cabin filter. To maintain filter performance, it is recommended that the cabin filters be replaced every 15,000 kilometers, or at least once a year.

The Bosch Mobility Aftermarket division (MA) is one of the world’s leading providers of spare parts, diagnostic solutions and repair-shop equipment for passenger cars, two-wheelers and commercial vehicles. Its product portfolio includes products made as Bosch original equipment, products developed in-house and specifically manufactured for the aftermarket, as well as services. In addition to new parts, the range also comprises a large number of remanufactured exchange parts, thereby contributing to a resource-conserving circular economy. A key pillar in this context is the Bosch eXchange program, with which the division generated around 400 million euros in sales in 2025. Around 16,000 associates and a global logistics network ensure fast and reliable supply to distributors and repair shops worldwide. MA also supplies modern testing and repair-shop technology, diagnostic software, training, as well as technical information and services, which are increasingly being expanded through software- and AI-based solutions. In addition, the division includes the “Bosch Service” workshop concept with around 13,000 workshops worldwide, as well as “AutoCrew” with more than 700 workshops in over 100 countries. Furthermore, with Bosch Classic, MA supports owners of classic and modern classic cars with a wide range of spare parts and services.

Additional information can be accessed at http://www.boschaftermarket.com

Mobility Solutions is the largest Bosch Group business sector. According to preliminary figures, it generated sales of 52.6 billion euros in 2022, and thus contributed almost 60 percent of total sales from operations. This makes the Bosch Group one of the leading automotive suppliers. The Mobility Solutions business sector pursues a vision of mobility that is safe, sustainable, and exciting, and combines the group’s expertise in the domains of personalization, automation, electrification, and connectivity. For its customers, the outcome is integrated mobility solutions. The business sector’s main areas of activity are injection technology and powertrain peripherals for internal-combustion engines, diverse solutions for powertrain electrification, vehicle safety systems, driver-assistance and automated functions, technology for user-friendly infotainment as well as vehicle-to-vehicle and vehicle-to-infrastructure communication, repair-shop concepts, and technology and services for the automotive aftermarket. Bosch is synonymous with important automotive innovations, such as electronic engine management, the ESP anti-skid system, and common-rail diesel technology.

The Bosch Group is a leading global supplier of technology and services. It employs roughly 413,000 associates worldwide (as of December 31, 2025). The company generated sales of 91 billion euros in 2025. Its operations are divided into four business sectors: Mobility, Industrial Technology, Consumer Goods, and Energy and Building Technology. With its business activities, the company aims to use technology to help shape universal trends such as automation, digitalization, electrification, and artificial intelligence. In this context, Bosch’s broad diversification across regions and industries strengthens its innovativeness and robustness. Bosch uses its proven expertise in hardware, software, and services to offer customers cross-domain solutions from a single source. It also applies its expertise in connectivity and artificial intelligence in order to develop and manufacture intelligent, user-friendly, and sustainable products. With technology that is “Invented for life,” Bosch wants to help improve quality of life and conserve natural resources. The Bosch Group comprises Robert Bosch GmbH and its roughly 500 subsidiary and regional companies in over 60 countries. Including sales and service partners, Bosch’s global manufacturing, engineering, and sales network covers nearly every country in the world. Bosch’s innovative strength is key to the company’s further development. Bosch employs some 82,000 associates in research and development.

Additional information is available online at www.bosch.com, www.bosch-press.com.

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