Bums on seats sell cars. In an increasingly complex car market, it’s a simple mantra espoused by BMW Ireland boss Helen Westby. As the head of the premium German car brand’s Irish operation, she is steering not only the rollercoaster transition to electric cars, but also a complete overhaul of its sales model. So she finds it useful to remember what’s at the heart of every transaction. Confident of her brand’s range of cars, she sees her job as helping to get people to give them a try. Once tempted to test-drive, Westby believes most who can afford them will...