BMW 7 Series E23
Model overview
A refined classic sedan whose ownership quality depends heavily on corrosion, restoration standard, service records and the exact six-cylinder specification fitted.
Pros
- Comfortable, spacious classic BMW sedan.
- Smooth six-cylinder petrol character.
- Strong enthusiast and parts knowledge.
Cons
- Rust and age-related deterioration can be extensive.
- Electrical and luxury equipment may need restoration.
- Specifications vary substantially by year and market.
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Body corrosion in structural and panel areasHigh
- Ageing electrical and interior equipmentMedium
- Suspension and steering wearMedium
Maintenance
Follow the installed engine’s documented schedule and verify coolant, belt, hose and fluid history by VIN and engine code.
Engine overview · 2.5L 6-cyl PETROL
A potentially durable classic BMW six-cylinder, but age, storage and variant-specific fuel equipment strongly influence ownership experience.
Pros
- Smooth inline-six character
- Well-understood classic mechanical design
- Manual and automatic applications available
Cons
- Age-related cooling and fuel-system issues
- Carburettor and injection variants need different servicing
- Restoration quality varies widely
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Cooling-system age and overheatingHigh
- Oil leaks and gasket ageingMedium
- Fuel-system deteriorationMedium
- Timing-chain and valve-train wearMedium
Maintenance
Follow the exact year’s BMW service information and confirm fuel-system, valve-clearance, cooling and ignition requirements.
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.