2013 BMW 750Li

The 2013 BMW 750Li is a luxury sedan known for its powerful engine, comfortable ride, and upscale features. The 750Li specifically comes equipped with a 4.4-liter twin-turbocharged V8 engine producing 445 horsepower and 480 lb-ft of torque, paired with an 8-speed automatic transmission. Other engine options available for the 2013 7 Series include a 3.0-liter inline-6 (740i/Li) and a 6.0-liter V12 (760Li). Owners appreciate the 750Li’s smooth and responsive engine, its luxurious interior, and its advanced technology features. Common complaints include the car’s high maintenance costs and the complexity of its electronic systems, which can lead to reliability issues.

Engine

4.4L Twin-Turbo V8 (N63TU)

• Oil Leaks
  • Description/Symptoms: Oil leaks are a fairly common issue on the N63TU engine, often stemming from the valve cover gaskets, oil filter housing gasket, and turbocharger oil lines. Symptoms include visible oil leaks on the engine, a burning oil smell, and low oil levels.
  • Solution: Replacing the leaking gaskets and lines is the typical solution.
  • Estimated Cost to Fix: $500 - $1500+ depending on the location and severity of the leak.
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant leaks can occur in various locations, including the water pump, thermostat housing, and radiator hoses. Symptoms include a low coolant warning, visible coolant leaks, and overheating.
  • Solution: Replacing the faulty component is the solution.
  • Estimated Cost to Fix: $300 - $1000+ depending on the location and complexity of the repair.
  • Recalls: None Found
• VANOS System Issues
  • Description/Symptoms: The VANOS (Variable Valve Timing) system can experience failures, leading to rough idling, reduced power, and potentially a check engine light.
  • Solution: Repair or replacement of the VANOS solenoids, actuators, or associated components.
  • Estimated Cost to Fix: $500 - $2000+ depending on the extent of the damage.
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Slipping/Rough Shifting
  • Description/Symptoms: Some owners have reported experiencing slipping or rough shifting with the 8-speed automatic transmission, particularly at higher mileage. This may be related to wear on the internal clutches, valve body issues, or low transmission fluid levels.
  • Solution: Initially, a transmission fluid flush and filter change might alleviate the issue. In more severe cases, valve body repair or replacement, or a full transmission rebuild or replacement, may be necessary.
  • Estimated Cost to Fix: $300 (fluid flush) - $5000+ (transmission replacement).
  • Recalls: None Found

Suspension

• Air Suspension Problems
  • Description/Symptoms: The air suspension system can develop leaks in the air struts, compressor failures, or issues with the ride height sensors. Symptoms include a sagging suspension, a warning light on the dashboard, and a rough ride.
  • Solution: Replacing the faulty air struts, compressor, or ride height sensors.
  • Estimated Cost to Fix: $800 - $3000+ depending on the component needing replacement.
  • Recalls: None Found

Electrical

• Battery Drain Issues
  • Description/Symptoms: Some owners have reported excessive battery drain, which can lead to a dead battery, especially if the car sits for extended periods. This can be caused by a faulty module that is not properly shutting down, or parasitic draw from an electrical component.
  • Solution: Diagnosing and addressing the source of the parasitic draw. This may involve updating software for a specific module or replacing it altogether.
  • Estimated Cost to Fix: $100 - $1000+ depending on the complexity of the issue.
  • Recalls: None Found
• iDrive System Malfunctions
  • Description/Symptoms: The iDrive system can experience glitches, freezes, or complete failures.
  • Solution: Software updates, or replacement of the iDrive control unit.
  • Estimated Cost to Fix: $100 - $1500+ depending on the issue and solution.
  • Recalls: None Found

Exterior

• Xenon Headlight Issues
  • Description/Symptoms: Xenon headlights can fail or flicker.
  • Solution: Bulb or ballast replacement.
  • Estimated Cost to Fix: $300 - $800+ depending on if the bulb or ballast is replaced.
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroofs can become stuck, make excessive noise, or leak.
  • Solution: Lubricating the tracks, or replacing the sunroof motor or assembly.
  • Estimated Cost to Fix: $100 - $1000+ depending on the problem.
  • Recalls: None Found
• Door Lock Actuator Failure
  • Description/Symptoms: Door lock actuators can fail, causing the door to not lock or unlock properly.
  • Solution: Replacement of the faulty actuator.
  • Estimated Cost to Fix: $200 - $500+ per door.
  • Recalls: None Found

Summary

The 2013 BMW 750Li, while offering a luxurious driving experience, can present owners with some notable maintenance challenges. The engine, particularly the 4.4L Twin-Turbo V8, is prone to oil and coolant leaks, which can become costly repairs over time. The air suspension and complex electrical systems can also be sources of trouble. While not all 750Li models will experience these issues, potential buyers should be aware of the potential for higher-than-average maintenance costs. The severity and cost of these issues can vary, but addressing them promptly is crucial to maintaining the vehicle’s performance and reliability.