BMW continues to perform well financially. Sales volume, revenues, and profits increased in the first quarter of 2015 compared to the previous year. Profitability ratios like return on equity and net profit margin improved from 2013 to 2014, indicating better control of expenses. Financial stability ratios also improved over time, with lower debt levels, faster inventory turnover, and higher interest coverage, though debtor collections slowed slightly. Given these positive trends, the document recommends BMW as a worthwhile investment.