BMW has made a bold move with its new 1 Series, ditching decades of rear-wheel drive heritage and switching to front and four-wheel drive for its big-selling hatchback. The firm claims the new 1 Series is as good to drive as ever, while the mechanical changes inject a much-needed boost of practicality and efficiency. So, has BMW pulled off this major change without a hitch? To find out Autocar's James Disdale drives the flagship four-wheel drive 302bhp M135i on the roads around BMW's Munich HQ.
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