# 2011-2018 BMW 650i Convertible The BMW 650i Convertible represents BMW's grand touring flagship, pairing a potent 445-horsepower twin-turbo 4.4L V8 with open-air luxury. This full-size convertible seats four in sumptuous leather surroundings with cutting-edge technology for its era. Reviewers praise its effortless highway cruising ability, refined power delivery, and sophisticated retractable hardtop. The iDrive system and build quality earn consistent acclaim. Critics note its substantial curb weight (over 4,400 lbs), which dulls the legendary BMW driving dynamics, and significant maintenance costs as these cars age. It's famous for embodying "ultimate driving machine" luxury rather than sportiness—a continent-crossing GT that prioritizes comfort over agility. **Best suited for:** Affluent enthusiasts seeking depreciated luxury for weekend touring and special occasions, understanding premium maintenance requirements. Ideal for those prioritizing style and comfort over track performance.
The 2011-2018 BMW 650i Convertible features a twin-turbo V8 requiring premium fuel and expensive maintenance. Common issues include turbo failures ($3,000-$5,000 each), convertible top problems, and costly carbon buildup cleaning. Insurance runs high due to performance classification. Extended warranties recommended as repairs typically exceed $1,000. Fuel economy averages just 17 MPG combined.
Affordability Calculator
We have preconfigured our calculator for this vehicle
Why Use This Calculator?
Unlike calculators from banks or dealerships that may encourage overspending, our tool provides neutral, conservative estimates based on proven financial principles. Whether you're financing or paying cash, we help you understand what you can truly afford.
For Loan Financing:
- •Safe Range: Follows the , ensuring you can comfortably afford your car payment
- •Stretch Range: A moderate approach that balances affordability with your goals
- •Lender Max: What banks typically approve, but may strain your budget
For Cash Purchases:
- •Conservative: Uses 5% of net worth, maintaining strong financial reserves
- •Safe: Uses , following the recommended guideline
- •Stretch: Uses 15% of net worth, for when you want to prioritize the car