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2020 BMW 750Li xDrive

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By Research the Car 5 min read

The 2020 BMW 750Li xDrive is a luxurious sedan known for its powerful engine, opulent interior, and advanced technology. In addition to the 4.4L TwinPower Turbo V8, which produces 523 horsepower and 553 lb-ft of torque, the 7 Series also offered other engine options such as a 3.0L Turbocharged Inline-6 and a plug-in hybrid option. All engines are paired with an 8-speed automatic transmission. Owners generally appreciate the 750Li’s smooth ride, spacious cabin, and cutting-edge features. However, some common complaints include the complexity of the iDrive system, the high cost of maintenance and repairs, and the occasional electronic glitches.

Engine

4.4L TwinPower Turbo V8

  • Oil Leaks
    • Description/Symptoms: Oil leaks can develop from various areas, including the valve cover gaskets, oil filter housing gasket, and the rear main seal. Symptoms include visible oil drips under the car, burning oil smell, and low oil level warnings.
    • Solution: Replacing the leaking gaskets or seals is the common fix. In severe cases, the entire oil filter housing or rear main seal may need replacement.
    • Estimated Cost to Fix: $200 - $1500+ depending on the source and severity of the leak.
    • Recalls: None Found
  • Coolant Leaks
    • Description/Symptoms: Coolant leaks can occur at the expansion tank, radiator hoses, and water pump. Symptoms include low coolant level warnings, visible coolant leaks under the car, and overheating.
    • Solution: Replacing the leaking component is the common fix. Pressure testing the system can help pinpoint the exact location of the leak.
    • Estimated Cost to Fix: $150 - $1000+ depending on the component and labor costs.
    • Recalls: None Found
  • Turbocharger Issues
    • Description/Symptoms: Issues with the turbochargers, such as wastegate actuator problems or turbo failure, can lead to reduced engine power, whistling noises, and check engine lights.
    • Solution: Repair or replacement of the affected turbocharger or related components.
    • Estimated Cost to Fix: $1000 - $5000+ depending on the extent of the damage and whether one or both turbos need replacement.
    • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

  • Rough Shifting
    • Description/Symptoms: The 8-speed automatic transmission may exhibit rough or jerky shifting, especially during low-speed maneuvers or between certain gears.
    • Solution: A software update to the transmission control module (TCM) may resolve the issue. In some cases, a transmission fluid flush or replacement of faulty solenoids within the transmission valve body may be necessary.
    • Estimated Cost to Fix: $100 - $1500+ depending on the cause.
    • Recalls: None Found
  • Hesitation/Delay in Gear Engagement
    • Description/Symptoms: Delay or hesitation when shifting from Park or Neutral into Drive or Reverse.
    • Solution: This could be related to low transmission fluid, a faulty valve body, or internal damage to the transmission. A fluid check and fill, valve body replacement, or full transmission rebuild might be required.
    • Estimated Cost to Fix: $100 - $5000+ depending on the severity.
    • Recalls: None Found

Suspension

  • Air Suspension Problems
    • Description/Symptoms: The air suspension system, designed for a smooth ride, can experience issues with the air struts, compressor, or air lines. Symptoms include a sagging vehicle, uneven ride height, error messages on the dashboard, and a noisy air compressor.
    • Solution: Replacing the faulty air struts, air compressor, or repairing leaking air lines.
    • Estimated Cost to Fix: $800 - $2000+ per strut, $500 - $1500+ for the compressor.
    • Recalls: None Found

Electrical

  • iDrive System Malfunctions
    • Description/Symptoms: The iDrive infotainment system can experience glitches, freezing, or unresponsive behavior. This can affect navigation, audio, climate control, and other vehicle functions.
    • Solution: Software updates are often the first step in resolving iDrive issues. In some cases, the iDrive control unit may need replacement.
    • Estimated Cost to Fix: $0 - $200 for software updates. $500 - $2000+ for control unit replacement.
    • Recalls: None Found
  • Sensor Failures
    • Description/Symptoms: Various sensors, such as those for the parking assist system, lane departure warning, or adaptive cruise control, can fail, leading to error messages and non-functional features.
    • Solution: Diagnosis to identify the faulty sensor, followed by replacement.
    • Estimated Cost to Fix: $200 - $800+ per sensor depending on the sensor’s location and complexity.
    • Recalls: None Found
  • Battery Issues
    • Description/Symptoms: The vehicle’s complex electrical system can be demanding on the battery, leading to premature battery failure. Symptoms include slow engine cranking, error messages, and electrical system malfunctions.
    • Solution: Replacing the battery with a BMW-specified battery and proper registration of the new battery to the vehicle’s computer system.
    • Estimated Cost to Fix: $300 - $600+.
    • Recalls: None Found

Exterior

  • Adaptive Headlight Issues
    • Description/Symptoms: The adaptive headlights, which swivel to improve visibility around corners, can experience malfunctions, such as failing to aim correctly or displaying error messages.
    • Solution: Diagnosis and repair or replacement of the headlight assembly or related control module.
    • Estimated Cost to Fix: $500 - $2500+ per headlight.
    • Recalls: None Found

Interior

  • Seat Motor Failures
    • Description/Symptoms: Electric seat motors can fail, causing the seat to become stuck in a certain position or unable to adjust properly.
    • Solution: Replacement of the faulty seat motor.
    • Estimated Cost to Fix: $300 - $1000+ per motor.
    • Recalls: None Found

Summary

The 2020 BMW 750Li xDrive offers a luxurious driving experience, but potential owners should be aware of the common issues. Engine and transmission problems, such as oil leaks, coolant leaks, turbocharger issues, and rough shifting, can be costly to repair. Electrical issues, particularly with the iDrive system and various sensors, are also relatively frequent. Air suspension problems can further add to the maintenance costs. While the severity of these issues can vary, potential buyers should factor in the potential for higher repair bills compared to less complex vehicles. A pre-purchase inspection by a qualified BMW mechanic is highly recommended.

BMW, 750Li xDrive
BMW 750Li xDrive 2020
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