BMW 4 Series F32/F33/F36 425d
Model overview
A versatile coupe, convertible and Gran Coupe family. Body style and fitted equipment are important when judging running costs.
Pros
- Engaging handling
- Refined motorway driving
- Choice of body styles
Cons
- Premium parts prices
- Limited rear space in some bodies
- Convertible equipment adds complexity where fitted
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Suspension wearMedium
- Electrical equipment faultsMedium
- Cooling-system leaks on applicable versionsMedium
Maintenance
Maintain the fitted powertrain and body-specific equipment alongside routine chassis servicing.
Engine overview · 2.0L 4-cyl DIESEL
This BMW 4 Series diesel engine group offers efficient long-distance performance, but includes several engine generations and emissions specifications. Suitability depends on service history, driving pattern and VIN-specific equipment.
Pros
- Efficient for regular longer journeys
- Strong everyday torque
Cons
- Short trips can burden diesel emissions systems
- Later variants have more emissions hardware
- Engine specifications vary substantially by year
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Diesel particulate-filter loading on short-trip carsMedium
- EGR-cooler coolant leaks on affected diesel enginesHigh
- Earlier 2.0 diesel timing-chain wearHigh
- Turbocharger and boost-control wearHigh
Maintenance
Follow the VIN-specific BMW schedule and low-ash oil specification; confirm the exact engine code and emissions equipment before servicing.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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