Brake wear particles contribute increasingly to road transport emissions. Euro 7 includes brake emission limits, according to UN GTR No. 24 laboratory testing procedures for LDVs. In this study, a semi-enclosed brake particle collection system was used to measure emissions from a passenger car under various driving conditions, both on the chassis dynamometer and on a test track. Testing conditions covered standardized driving cycles, as well as real-world profiles including regular and steep downhill driving with severe braking. An extended matrix of measuring equipment was implemented for the complete characterization of brake particles. The semi-enclosed system minimally impacted disc temperature, while a validated methodology accounted for ambient particle concentrations. Laboratory tests showed solid PN emissions at 10⁹ #/km, while severe braking increased total nanoparticle emissions to 1011#/km. Particles up to 5 μm and bi/tri-modal size distributions were observed. The test track results validated the laboratory data, providing similar emission levels under equivalent driving conditions.