BMW 4 Series G22/G23/G26 430d (Cabriolet)
Model overview
A modern 4 Series with strong driving dynamics and extensive technology. Body style and equipment change the ownership picture.
Pros
- Responsive handling
- Modern cabin
- Refined long-distance driving
Cons
- Complex electronics
- Premium servicing costs
- Expensive larger wheels and tyres
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Electrical and infotainment faultsMedium
- Suspension wearMedium
- Cooling-system leaks on applicable versionsMedium
Maintenance
Follow the exact powertrain schedule and maintain body-specific equipment where fitted.
Engine overview · 3.0L 6-cyl DIESEL
A recent six-cylinder diesel mild-hybrid application with limited long-term history; condition and servicing of its emissions and 48V systems are especially important.
Pros
- Strong six-cylinder diesel performance
- Mild-hybrid electrical assistance
Cons
- Complex emissions hardware
- Diesel use may be less suitable for frequent short trips
- Limited long-term history for this application
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Diesel particulate filter and EGR system loadingMedium
- SCR and AdBlue system faultsMedium
- Turbocharging and charge-air leaksMedium
- 48V mild-hybrid system faultsHigh
Maintenance
Use the VIN-specific BMW schedule and approved oil specification; maintenance needs vary with driving conditions and software.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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