Testing acc. to BMW PR 307.4 (2.1 + 2.2 + 5.2): Assessment of the susceptibility of component surfaces to scratching - 2.1: Gloss test, 2.2: Cutting test, 5.2: Fingernail test
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Evaluation of sensitivity of component surfaces to scratching - 2.1: Gloss test, 2.2: Cutting test, 5.2: Fingernail exposure
