Average Fiabilidad

Lista de revisión pre-compra de 2021 BMW 3 Series

G20 (7th Generation) · 2.0L TwinPower Turbo 4-cylinder (330i) / 3.0L TwinPower Turbo 6-cylinder (340i) / 3.0L TwinPower Turbo 6-cylinder M440i xDrive · $28,000 - $42,000

Problemas Conocidos — 2021 BMW 3 Series

MODERATE

Timing chain tensioner wear causing rattling on cold starts

MODERATE

Panoramic sunroof seal degradation leading to water leaks

MODERATE

Transmission shuddering or hesitation during acceleration

MINOR

Infotainment system software glitches and screen freezing

MINOR

Brake pad wear sensors providing false warnings

CRITICAL

Fuel pump module failure causing starting issues

Qué inspeccionar

  • Listen for timing chain rattle during cold start and idle
  • Inspect panoramic sunroof seals and check for water stains on headliner
  • Test transmission responsiveness through multiple acceleration scenarios
  • Verify infotainment system functionality and screen responsiveness
  • Inspect brake pads for wear and test warning system accuracy
  • Check fuel pump operation and listen for abnormal fuel pump noise

Costos de mantenimiento esperados

Servicio Intervalo Coste
Oil and filter change every 10,000 miles $150-$200
Air filter replacement every 20,000 miles $80-$120
Brake fluid flush every 24 months $200-$300
Spark plug replacement every 30,000 miles $250-$400
Transmission fluid service every 40,000 miles $300-$500
Brake pad replacement every 40,000-50,000 miles $400-$700
Cabin air filter replacement every 15,000 miles $100-$150
Coolant flush every 60,000 miles $250-$400

Obtén un Informe de Inspección Personalizado por IA

Los datos anteriores cubren problemas comunes. Para un informe completo, generado por IA y específico para este vehículo — incluyendo revisiones detalladas de cada sistema, señales de alerta y un veredicto completo — genera tu informe gratuito a continuación.

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