So what would you do if BMW called up and offered to lend you a £45,000 sports car for a few days to drive where you wanted in Europe as a test? Yep, that’s what we figured, so we said no and went back to our knitting. Yeah right. Long and short, five days later we found ourselves on a flight to Malaga airport in Southern Spain, and six days later they handed over a key fob to a gleaming…