BMW 4 Series F32/F33/F36 420i (1998 cc)
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 PETROL
A capable BMW 2.0-litre petrol engine group with varied 420i and 430i calibrations. Condition, maintenance history and exact engine specification matter more than the shared displacement label.
Pros
- Good balance of performance and efficiency.
Cons
- Different calibrations and equipment are combined in this group.
- Cooling and engine-management maintenance can be costly when neglected.
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Cooling-system component leaks on affected applicationsMedium
- Crankcase ventilation and intake-oil management issues on affected applicationsMedium
- Ignition and fuel-system faults on affected applicationsMedium
Maintenance
Use the VIN-specific BMW servicing schedule and approved oil; maintain coolant, ignition and emissions systems to the exact engine specification.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
Considering a particular car?
Get a Deep Report on the listing: relevant model risks, gaps in the advert and focused questions for the seller.