BMW 7 Series E65/E66/E67/E68 730d
Model overview
A refined but highly complex luxury saloon. Long-term condition depends heavily on engine, equipment, electrical health and maintenance history.
Pros
- Exceptional comfort and refinement
- Stable, quiet long-distance car
- Wide choice of engines and specifications
Cons
- Complex electronics
- Potentially costly suspension and cooling repairs
- Equipment varies significantly by version
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Age-related electronic and iDrive faultsMedium
- Suspension wear and ride-height faults where fittedHigh
- Corrosion and water-ingress inspectionMedium
Maintenance
Follow the VIN- and engine-specific schedule, with particular attention to cooling, fluids, suspension, battery health and documented electronic-system repairs.
Engine overview · 3.0L 6-cyl DIESEL
A capable long-distance diesel for the E65/E66 7 Series, with strong torque and specialist support. Ownership risk is concentrated in ageing intake, turbo, injection and emissions-related systems, with specification varying by year and market.
Pros
- Well suited to motorway use
- Good specialist knowledge and parts support
Cons
- Ageing diesel systems can be expensive to repair
- Engine-bay access and labour may be costly
- Short-trip use may not suit emissions equipment where fitted
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Intake swirl-flap hardware on applicable engine versionsHigh
- Turbocharger control and boost-system wearMedium
- EGR and intake-carbon contaminationMedium
- Diesel injection and cold-start componentsMedium
Maintenance
Follow VIN-specific BMW oil and service requirements, with careful attention to intake, boost, EGR, injection and cooling-system condition.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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