For a large swath of the car-loving public, the BMW 3 Series has long stood as the Platonic ideal of a daily driver. Possessing a delicious blend of exquisite handling, delicate balance, Goldilocks power and room for four adults at a reasonable price (at least, for a luxury brand), the 3er has been the gateway drug to a lifetime addiction to Bimmerdom. Yet with every new generation and every mid-cycle update come tweaks that also seem to challenge
