Encyclopedia
BMW Encyclopedia
BMW generations, by the facts: history, engines, weak points, and real-world fuel consumption — no marketing.
Series
Era

2004–2011
BMW E87 (2004–2011) — History, Engines, Weak Points, Fuel Consumption
A complete guide to the first-generation BMW 1 Series E87 hatchback: history, engines (N45/N46, N43, M47/N47, N52, N54), typical issues, real-world fuel consumption, and owner feedback.

2011–2019
BMW F20/F21 (2011–2019) — History, Engines, Weak Points, Fuel Consumption
A complete guide to the BMW 1 Series F20/F21: history, engines (N13, N20, N55, B48, B58), the M135i and M140i, the well-known N47 timing chain issue, weak points, fuel consumption, and owner feedback.
