# 2011-2018 BMW 650i xDrive Convertible The BMW 650i xDrive Convertible represents the 6 Series at its most luxurious and powerful, featuring a twin-turbocharged 4.4L V8 producing 445 horsepower paired with all-wheel drive. This grand tourer combines elegant styling with a retractable hardtop that transforms from coupe to convertible in seconds. Reviewers praise its refined power delivery, upscale interior, and confident handling despite its substantial size. Critics note the complex iDrive system and firm ride quality. It's famous for blending performance with open-air luxury, though infamous for expensive maintenance and depreciation. **Best suited for:** Affluent drivers seeking a powerful, weather-capable luxury convertible for weekend touring and summer cruising. Today, it offers remarkable value on the used market for those prepared for premium ownership costs and occasional electrical gremlins.
The 650i xDrive requires premium fuel and expensive synthetic oil changes. Common issues include turbocharger failures ($3,000-5,000), valve stem seal leaks causing oil consumption, and electronic problems with the convertible top mechanism. Insurance costs are higher than average due to performance classification. Maintenance follows BMW's costly service schedules with specialized parts and dealer-level diagnostics often required.
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