1 Series E87
1 generation · Select a generation to see engines
Which Bmw 1 Series E87 engine is the most reliable? See common problems, reviews and reliability verdicts across generations and engines.
Frequently asked questions
Which Bmw 1 Series E87 engine is the most reliable?
130i 3.0 (N52) — Reliable verdict. The naturally-aspirated straight-six — by far the most reliable and rewarding E87 petrol, with no timing-chain epidemic. The main weakness is the electric water pump, which can fail without warning and overheat the engine, plus minor gasket leaks. A genuine driver's engine that lasts.
Which Bmw 1 Series E87 engines should you avoid?
Engines with the weakest reliability verdicts: 116i / 118i / 120i (N43, 2007–2011), 116d / 118d / 120d (N47, 2007–2011).
What are the most common Bmw 1 Series E87 problems?
The most commonly reported problems across all Bmw 1 Series E87 generations and engines: Timing chain wear, Timing chain stretch, Electric water pump failure, Timing chain failure (rear-mounted), Swirl flap failure.