BMW’s head of digital products and services, Dieter May, said that the company “is not in the business of selling data and so we need to be really careful,” speaking at Dmexco. The declaration was made in a conversation about customer data collection, and indicates that BMW won’t be looking to sell endless streams of customer data to advertisers, because this approach risks spoiling the automaker’s relationship with its customers – who are likely already fed up with intrusive advertising practices in the digital age. May did recognize that there are real partner opportunities with companies that align with BMW’s premium brand, and given spending power of a typical BMW customer, it would be foolish to turn its back on…