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2011 BMW 750Li

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By Research the Car 4 min read

The 2011 BMW 750Li is a luxury sedan known for its powerful engine, comfortable ride, and advanced technology. The 750Li features a 4.4-liter Twin Turbo V8 engine producing 400 horsepower and 450 lb-ft of torque. All engine configurations were paired with a 6-speed automatic transmission. Owners appreciate the car’s luxurious interior, smooth ride, and powerful acceleration. Common complaints include the high cost of maintenance and repairs, and complexity of the electronics.

Engine

4.4L Twin Turbo V8 (N63)

  • Oil Leaks
    • Description/Symptoms: Oil leaks are common in the N63 engine, especially from the valve cover gaskets, oil pan gasket, and turbocharger oil lines. Symptoms include oil spots under the car, burning oil smell, and low oil level warnings.
    • Solution: Replacing the leaking gaskets or lines.
    • Estimated Cost to Fix: $800 - $2,000+ depending on the location and severity of the leak.
    • Recalls: None Found
  • Coolant Leaks
    • Description/Symptoms: Coolant leaks can occur from various locations, including the coolant expansion tank, radiator hoses, and water pump. Symptoms include low coolant level, overheating, and coolant puddles under the car.
    • Solution: Replacing the leaking components.
    • Estimated Cost to Fix: $300 - $1,500+ depending on the component needing replacement.
    • Recalls: None Found
  • Injector Failure
    • Description/Symptoms: Direct injectors are prone to failure, leading to misfires, rough idling, and loss of power.
    • Solution: Replacing the faulty injectors. It is typically recommended to replace all injectors on one bank to ensure consistent performance.
    • Estimated Cost to Fix: $1,200 - $3,000+ depending on how many injectors are replaced.
    • Recalls: None Found
  • Turbocharger Issues
    • Description/Symptoms: The twin turbochargers can experience issues such as wastegate failure, oil leaks, and complete turbo failure. Symptoms include loss of power, whistling noises, and excessive smoke.
    • Solution: Replacing or rebuilding the turbochargers.
    • Estimated Cost to Fix: $2,500 - $6,000+ for replacement or rebuild of both turbos.
    • Recalls: None Found

Transmission

6-Speed Automatic (GA6HP26Z)

  • Mechatronic Sleeve Leak
    • Description/Symptoms: The mechatronic sleeve is a common source of transmission fluid leaks. Symptoms include transmission fluid leaks, hard shifting, and transmission malfunction warnings.
    • Solution: Replacing the mechatronic sleeve and potentially the transmission fluid pan.
    • Estimated Cost to Fix: $300 - $800+
    • Recalls: None Found
  • Valve Body Issues
    • Description/Symptoms: The valve body can experience wear and tear, leading to shifting problems such as harsh shifts, slipping, and delayed engagement.
    • Solution: Replacing or rebuilding the valve body.
    • Estimated Cost to Fix: $800 - $2,500+
    • Recalls: None Found

Suspension

  • Air Suspension Failure
    • Description/Symptoms: The air suspension system can fail due to leaks in the air struts, compressor failure, or faulty air lines. Symptoms include the car sitting low, uneven ride height, and suspension malfunction warnings.
    • Solution: Replacing the faulty air struts, compressor, or air lines.
    • Estimated Cost to Fix: $800 - $2,000+ per strut, $500 - $1,500+ for the compressor, $100 - $500+ for air lines.
    • Recalls: None Found
  • Control Arm Bushing Failure
    • Description/Symptoms: The control arm bushings wear out, leading to vibrations, clunking noises, and poor handling.
    • Solution: Replacing the control arms or just the bushings.
    • Estimated Cost to Fix: $300 - $1,000+ per control arm.
    • Recalls: None Found

Electrical

  • iDrive System Issues
    • Description/Symptoms: The iDrive system can experience software glitches, screen failures, and control knob issues.
    • Solution: Software updates, screen replacement, or control knob replacement.
    • Estimated Cost to Fix: $200 - $1,500+ depending on the issue.
    • Recalls: None Found
  • Battery Drain
    • Description/Symptoms: Excessive battery drain can be caused by faulty modules, aftermarket accessories, or a failing battery. Symptoms include difficulty starting, dead battery, and electrical malfunctions.
    • Solution: Diagnosing and repairing the source of the battery drain.
    • Estimated Cost to Fix: $100 - $1,000+ depending on the cause.
    • Recalls: None Found

Exterior

  • Adaptive Headlight Malfunctions
    • Description/Symptoms: The adaptive headlights can experience issues with the motors or sensors, leading to improper aiming or failure to adjust.
    • Solution: Replacing the faulty headlight unit or components.
    • Estimated Cost to Fix: $800 - $2,500+ per headlight.
    • Recalls: None Found

Interior

  • Seat Motor Failure
    • Description/Symptoms: The seat motors can fail, preventing seat adjustment.
    • Solution: Replacing the faulty seat motor.
    • Estimated Cost to Fix: $300 - $800+ per motor.
    • Recalls: None Found

Summary

The 2011 BMW 750Li, while offering a luxurious and powerful driving experience, is prone to several common issues. Engine problems such as oil leaks, coolant leaks, and turbocharger failures can be costly to repair. Transmission issues, particularly related to the mechatronic sleeve and valve body, are also common. The air suspension system can be unreliable, and electrical issues with the iDrive system and battery drain are frequent complaints. Overall, the potential cost of repairs and maintenance should be carefully considered before purchasing this vehicle. The severity of these issues ranges from minor inconveniences to major mechanical failures, with repair costs varying accordingly.

BMW, 750Li
BMW 750Li 2011
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