The 520i was the entry-level six-cylinder petrol variant of the E28, carrying over BMW's inline-six in 2.0-litre form to balance everyday usability with the marque's characteristic straight-six refinement. It sat below the 525e and 528i in the E28 lineup, offering a lighter footprint and lower running costs while sharing the same rear-wheel-drive platform and body structure as its more powerful siblings.
