Testing for BMW – Requirements for Materials and Components in Vehicle Interiors
Our laboratory has been performing tests for BMW AG for many years. These tests are an integral part of material approval and quality assurance processes, particularly for applications in vehicle interiors.
BMW test specifications (e.g., GS, PR, AA, and TL standards) define detailed requirements for leather, synthetic leather, plastics, textiles, and composite materials.
Typical interior components tested include:
seats and seat components (covers made of leather, synthetic leather, or textiles; side bolsters; headrests)
steering wheels (leather- or synthetic-coated rims – relevant for abrasion, sweat resistance, and scratch behavior)
instrument panels / dashboards (soft-touch surfaces, foamed and grained plastic components)
door panels and center consoles (high-contact areas → scratch, abrasion, and soiling tests)
interior trim and decorative elements (covers, trims, painted or coated surfaces)
sealing systems and functional components (e.g., door seals → stick-slip and noise behavior)
control elements and contact surfaces (switch surrounds, touch surfaces → writing effect, scratch sensitivity)
headliners and textile interior trims (odor, emissions, aging, soiling behavior)
foam and composite components (laminated systems of leather/synthetic leather + foam + carrier materials)
Tested properties and areas include:
surface durability and usage properties (hand abrasion, scratch and wear resistance, fingernail test, writing effect, color abrasion, and resistance to cleaning and care agents according to GS 97034 series and PR/AA standards)
soiling behavior and cleanability (dirt uptake and cleanability of leather, synthetic leather, and textile surfaces according to GS 97034-6, PR 121.2, AA-0419)
mechanical and functional material properties (flexural stiffness, abrasion behavior, penetration resistance, and dimensional properties of leather according to AA and TL standards)
climatic resistance and aging behavior (climate cycling, condensation resistance, and hydrolysis behavior according to PR 303.5, AA-0213, AA-0420)
emissions and odor behavior (fogging, VOC emissions, and odor characteristics according to DIN 75201, VDA 270, VDA 278, as well as formaldehyde emissions according to AA standards)
thermal and chemical resistance (resistance to sweat, oleic acid, creams, and other relevant substances according to AA-0567, AA-0772, PR 556)
fire behavior and safety properties (flammability of interior materials according to GS 97038)
material compatibility and functional behavior in assemblies (stick-slip behavior, contact analysis, and squeak & rattle testing according to PR 231, PR 315.1, PR 310)
optical and functional surface characterization (gloss behavior, surface structure, near-infrared reflectance, and measurements using UST systems according to PR 505, PR 358.1)
Below you will find the available BMW GS, PR, AA, and TL specifications, as well as additional relevant test methods (e.g., DIN 75201, VDA 270, VDA 278) applied within the framework of BMW requirements. Please ask our tst lab also for other needs regarding BMW tasks!
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