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- Products
  - As a system partner and OEM, we have a day-to-day obligation to some of the world's leading automotive manufacturers.
- Development
  - We work on achieving the ideal relationship between lightweight construction and endurance, emission figures and acoustics.
- Testing
  - Before series production begins, our components undergo comprehensive simulations and tests.
- Production
  - We aim for perfect production processes with consistent improvements in flexibility, automation and rationalisation.
- Logistics
  - In 1993 Boysen built the world's first local assembly plant for just-in-sequence (JIS) production and delivery of complete exhaust systems.
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  - In everything we do, people are the most important factor.
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  - Boysen offers a wide range of possibilities, whether you are a recent graduate or an experienced professional.
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Responsibility
- Employees
  - Boysen consistently invests in ensuring the best possible working conditions and promotes constructive teamwork.
- Partners
  - For Boysen, fair cooperation is the basis for sustainable and successful business relationships.
- Environment
  - As a foundation company, Boysen always considers conservation of the natural world and the quality of life of future generations.
- Quality
  - As a system partner to leading vehicle manufacturers, we bear a huge amount of responsibility for the quality of our products and services.
Company
- We are Boysen
  - Boysen is a specialist in exhaust technology.
- Facts & figures
  - As a system partner to well-known car and commercial vehicle manufacturers, the industry has been putting its trust in us for decades.
- Friedrich A. Boysen
  - Friedrich A. Boysen (1895 - 1975) is considered one of the pioneers of modern silencer technology.
- Foundation
  - Since 1996, the Friedrich and Elisabeth Boysen Foundation has been supporting academic research in the field of environmental technology.

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BAK Boysen Abgaskomponenten GmbH & Co. KG

Simmersfeld

Designed around state-of-the-art process technology and logistics, the Boysen plant BAK is geared towards highly flexible production of components and complete exhaust systems for passenger cars, commercial vehicles and off-highway applications. In addition, the site focuses on the production of structural components for electric vehicles. The location has been continuously expanded since the start of production in 2001 – most recently in 2017 with the construction of our largest production plant to date, BAK II, as part of a major order from Daimler Truck.

Start of production

BAK I	2001
Pressing plant	2004
Extension BAK I	2005
BAK II	2018

Production area

BAK I	12,000 m²
Pressing plant	12,000 m²
BAK II	48,000 m²

Facts

Employees	850
Services	Assembly production (exhaust pipes, catalytic converters, silencers) and series and just-in-sequence production of complete exhaust systems, stamped and drawn parts, welding and cutting of assemblies with laser systems, production of structural components for e-vehicles, Prototype construction for hydrogen tank systems and battery casings, production of motorbike frames
Customers	Mercedes-Benz Sindelfingen plant, Mercedes-Benz engine plants, Daimler Truck, Audi Ingolstadt, Neckarsulm and Györ, Porsche, BMW, Boysen Group

Key features

BAK I	ACB canning systems for oval and circular catalytic converters, SCR canning, 3 silencer body manufacturing lines, 2 automatic measuring cells, JIS production for Mercedes-Benz E-Class, insulation assembly
Pressing plant	Large presses 1,000 t, 1,600 t and 2,000 t , internal high pressure systems from 800-2,000 t, annealing furnaces
BAK II	Fully automated manufacturing, handling and storage systems, upgrade assembly of electronic and vehicle components, optical 3D measurement technology, real-time process monitoring via digital control centre, laser centre
Energy location Simmersfeld	large-scale photovoltaic systems; gas-fired combined heat and power plant; certified environmental management according to ISO 14001 and EMAS; public electric car charging points; Certified energy management system