2011 BMW 5 Series 550i

🚗 2011 BMW 5 Series 550i – Overview

A premium midsize luxury sedan with serious power, refined comfort, and cutting-edge technology. It’s the top gas-only trim of the 2011 5 Series lineup.

🔧 Performance & Engine

• Engine: 4.4L twin-turbocharged V8
• Horsepower: 400 hp
• Torque: 450 lb-ft
• Transmission: 8-speed automatic or 6-speed manual
• 0–60 mph: ~4.8 seconds
• Top Speed: 155 mph (electronically limited)
• Drivetrain: Rear-wheel drive (optional AWD “xDrive”)
• Fuel Economy: ~17 mpg city / 25 mpg highway

🛋️ Interior & Features

• Premium leather upholstery with wood or aluminum trim
• Dual-zone automatic climate control
• iDrive infotainment system with optional navigation
• Optional features include:
  • Head-up display
  • Adaptive cruise control
  • Lane departure warning
  • Night vision
  • Surround-view camera
• Trunk space: ~14 cubic feet

🏎️ Handling & Ride

• Balanced, confident chassis with good road feel
• Optional Dynamic Handling Package: active roll stabilization, adaptive dampers
• Smooth ride with firm but not harsh suspension
• Precise steering with good feedback, especially in sport mode

👍 Pros

• Very fast and powerful, especially for a sedan
• Comfortable and luxurious cabin
• Smooth, responsive transmission
• Packed with modern tech and driver aids
• Great long-distance cruiser

👎 Cons

• High maintenance costs
• Engine (N63) known for oil leaks, valve seal wear, and timing chain stretch
• Electrical gremlins and software glitches not uncommon
• Expensive repairs if not well-maintained
• Fuel economy is mediocre for a daily driver

🔧 Common Issues (N63 V8)

• Excessive oil consumption
• Leaking valve cover and timing cover gaskets
• High-pressure fuel pump or injector failure
• Timing chain wear
• Cooling system issues (water pump, thermostat)

🛠️ Maintenance Tips

• Change oil every 5,000–7,000 km with high-quality synthetic
• Regularly inspect for oil or coolant leaks
• Ask seller for service records (especially engine and gasket work)
• Consider getting a pre-purchase inspection from a BMW specialist
• Stay on top of software updates and recalls

✅ Should You Buy One?

Buy it if:

• You love performance sedans
• You want luxury, power, and tech in one package
• You’re OK with higher upkeep and can budget for repairs

Avoid it if:

• You’re looking for long-term reliability with low maintenance
• You don’t want to deal with potential engine issues
• You’re not ready for premium repair costs