What to Look For

• Rust — body panels, strut towers, trunk floor, battery tray
• Electrical issues with aging wiring
• Cooling system failures (expansion tank, water pump, thermostat)
• S70 V12 — complex and expensive to maintain
• 6-speed manual is ultra-rare and commands premium
• Electronic systems are fragile and period-specific

Pre-Purchase Checklist

• Comprehensive rust check — lift the car
• Cooling system age and condition
• Check all gauges and electrical systems
• Matching numbers verification

Useful Resources

• https://www.bimmerpost.com/forums/
• https://www.bimmerfest.com/forums/

Frequently Asked Questions

Is the BMW 850CSi a good investment?

Yes — with an average investment score of 73/100, the BMW 850CSi is considered a strong investment-grade vehicle.

What is a fair price for a BMW 850CSi?

The median asking price is €85,000, with listings ranging from €35,500 to €125,000. Final transaction prices may differ depending on condition, mileage, and provenance.

How many BMW 850CSi are for sale?

PistonAlpha currently tracks 36 active BMW 850CSi listings from dealers and auctions across Europe, updated daily.

What should I look for when buying a BMW 850CSi?

Key areas to inspect: Rust — body panels, strut towers, trunk floor, battery tray; Electrical issues with aging wiring; Cooling system failures (expansion tank, water pump, thermostat); S70 V12 — complex and expensive to maintain. A pre-purchase inspection by a marque specialist is highly recommended.