2009 BMW 1 Series Problems: 4 Known Issues
2009 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated July 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2009 BMW 1 Series has 4 documented known issues, with 4 rated critical. The most serious are N54 Injector Emissions Recall Requires a VIN and Production-Date Check, Long Crank or Power Loss Requires N54 Fuel-Pressure Diagnosis, N54 Wastegate Noise Must Be Classified Before Turbocharger Repair and 135i Overheat Warning May Require Electric Coolant-Pump Diagnosis. DIY maintenance guides at au7o.io.