2010 BMW 750Li xDrive

The 2010 BMW 750Li xDrive is a luxury sedan known for its powerful engine, smooth ride, and opulent interior. This model year features a twin-turbocharged 4.4-liter V8 engine producing 400 horsepower and 450 lb-ft of torque. The engine is paired with a six-speed automatic transmission. While praised for its performance and comfort, common criticisms include high maintenance costs, complex electronics that can be prone to failure, and a somewhat dated infotainment system compared to newer vehicles. Owners often appreciate the car’s driving dynamics and executive feel but are wary of the potential for expensive repairs as the car ages. The 750i and 750Li are rear wheel drive instead of all wheel drive.

Engine

N63B44 (4.4L Twin-Turbo V8)

• Oil Leaks from Valve Stem Seals
  • Description/Symptoms: Excessive oil consumption, blue smoke from the exhaust, especially upon startup after the car has been sitting. This is due to the valve stem seals hardening and cracking over time, allowing oil to seep into the combustion chamber.
  • Solution: Replacement of the valve stem seals. Often requires specialized tools and expertise.
  • Estimated Cost to Fix: $4,000 - $8,000+
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Reduced power, whistling sound from the engine bay, check engine light. The turbochargers can fail due to oil starvation or general wear and tear.
  • Solution: Replacement of the faulty turbocharger(s).
  • Estimated Cost to Fix: $2,500 - $5,000+ per turbocharger
  • Recalls: None Found
• Coolant Leaks (Valley Pan)
  • Description/Symptoms: Coolant loss, overheating, coolant smell. The valley pan, located under the intake manifold, is a common source of coolant leaks.
  • Solution: Replacement of the valley pan and associated gaskets. This is a labor-intensive job.
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found

Transmission

ZF 6HP26 (6-Speed Automatic)

• Mechatronic Sleeve Leak
  • Description/Symptoms: Transmission fluid leak, slipping gears, rough shifting, transmission malfunction warning. The mechatronic sleeve, which connects the transmission wiring harness to the valve body, can leak over time.
  • Solution: Replacement of the mechatronic sleeve and fluid.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Valve Body Issues
  • Description/Symptoms: Harsh or erratic shifting, slipping between gears, failure to shift, transmission malfunction warning. The valve body controls the flow of transmission fluid and can develop problems due to wear or contamination.
  • Solution: Replacement or rebuild of the valve body.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure
  • Description/Symptoms: Suspension sag, vehicle sitting unevenly, “Self Level Susp. Inactive” warning message. The air suspension compressor can fail due to overuse or leaks in the system.
  • Solution: Replacement of the air suspension compressor.
  • Estimated Cost to Fix: $800 - $1,500+
  • Recalls: None Found
• Air Strut Leaks
  • Description/Symptoms: Suspension sag, rough ride, hissing sound from the struts. The air struts can develop leaks over time.
  • Solution: Replacement of the leaking air strut(s).
  • Estimated Cost to Fix: $1,000 - $2,000+ per strut
  • Recalls: None Found

Electrical

• iDrive System Malfunctions
  • Description/Symptoms: Frozen screen, unresponsive buttons, error messages. The iDrive system can be prone to software glitches and hardware failures.
  • Solution: Software update, replacement of the iDrive controller or screen.
  • Estimated Cost to Fix: $300 - $1,500+ (depending on the issue)
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: Dead battery, difficulty starting the car. This can be caused by a variety of issues, including a faulty alternator, parasitic drain, or a bad battery.
  • Solution: Diagnosis and repair of the underlying cause of the battery drain.
  • Estimated Cost to Fix: $100 - $500+ (depending on the cause)
  • Recalls: None Found

Exterior

• Water Leaks into Trunk
  • Description/Symptoms: Water accumulation in the trunk, musty smell. The trunk seals can degrade over time, allowing water to enter the trunk.
  • Solution: Replacement of the trunk seals.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, jamming, unusual noises. The sunroof mechanism can be prone to failure.
  • Solution: Repair or replacement of the sunroof mechanism.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Summary

The 2010 BMW 750Li xDrive, while offering a luxurious driving experience, is known to have a number of potential issues. The most concerning are engine-related problems like oil leaks and turbocharger failures, which can be quite expensive to address. Transmission issues and air suspension problems are also common. Electrical glitches with the iDrive system can be frustrating. Overall, the severity of these issues ranges from moderate to severe, and the cost of repairs can be significant. Potential buyers should be aware of these potential problems and factor them into their purchasing decision. A thorough pre-purchase inspection by a qualified BMW mechanic is highly recommended.