2021 BMW 750Li xDrive

The 2021 BMW 750Li xDrive is a luxurious sedan known for its powerful performance, smooth ride, and opulent interior. The 750Li xDrive comes standard with a 4.4-liter twin-turbocharged V8 engine producing 523 horsepower and 553 lb-ft of torque. Other engine options for the 2021 7 Series include a 3.0-liter turbocharged inline-6 and a plug-in hybrid drivetrain. All engines are paired with an 8-speed automatic transmission. Owners often praise the 750Li xDrive for its comfortable and spacious cabin, advanced technology features, and effortless acceleration. Common dislikes often revolve around the vehicle’s high price point and potentially expensive maintenance costs.

Category: Engine

4.4L Twin-Turbocharged V8

• Oil Leaks
  • Description/Symptoms: Oil leaks can occur from various areas of the engine, including valve cover gaskets, oil pan gasket, and rear main seal. Symptoms include visible oil drips under the car, burning oil smell, and low oil level warnings.
  • Solution: Replacement of the leaking gasket or seal.
  • Estimated Cost to Fix: $200 - $1,500+ depending on the source and complexity.
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant leaks can occur from hoses, the water pump, or the radiator. Symptoms include low coolant levels, overheating, and visible coolant puddles under the car.
  • Solution: Replacement of the leaking hose, water pump, or radiator.
  • Estimated Cost to Fix: $150 - $1,000+ depending on the component.
  • Recalls: None Found

Category: Transmission

8-Speed Automatic (ZF 8HP)

• Rough Shifting
  • Description/Symptoms: Some owners have reported experiencing rough or jerky shifting, especially during low-speed driving or when shifting between gears.
  • Solution: In some cases, a software update can resolve the issue. In other cases, valve body replacement or a full transmission rebuild may be necessary.
  • Estimated Cost to Fix: $200 (software update) - $4,000+ (transmission rebuild).
  • Recalls: None Found
• Hesitation on Acceleration
  • Description/Symptoms: Hesitation when accelerating from a stop or during highway speeds has been reported.
  • Solution: May require replacement of solenoids or a valve body in the transmission.
  • Estimated Cost to Fix: $800 - $2,500
  • Recalls: None Found

Category: Suspension

• Air Suspension Issues
  • Description/Symptoms: The air suspension system can experience leaks, causing the vehicle to sag on one or more corners, or fail to level properly. Warning lights on the dashboard may illuminate.
  • Solution: Replacement of the leaking air strut, air compressor, or air lines.
  • Estimated Cost to Fix: $800 - $2,000+ per strut, $500 - $1,200+ for the compressor.
  • Recalls: None Found

Category: Electrical

• Infotainment System Glitches
  • Description/Symptoms: Freezing, crashing, or intermittent functionality of the iDrive infotainment system.
  • Solution: Software update, or in some cases, replacement of the iDrive control unit.
  • Estimated Cost to Fix: $0 (software update) - $1,500+ (control unit replacement).
  • Recalls: None Found
• Sensor Malfunctions
  • Description/Symptoms: Issues with parking sensors, lane departure warning, or blind spot monitoring systems. False alarms or system inoperability can occur.
  • Solution: Diagnosis and replacement of the faulty sensor.
  • Estimated Cost to Fix: $200 - $800+ per sensor.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Premature battery drain can occur due to a parasitic draw from an electrical component.
  • Solution: Identifying and repairing the source of the parasitic draw.
  • Estimated Cost to Fix: $100 - $500+ depending on the complexity of the issue.
  • Recalls: None Found

Category: Interior

• Seat Motor Failure
  • Description/Symptoms: Power seat motors can fail, preventing the seat from adjusting properly.
  • Solution: Replacement of the faulty seat motor.
  • Estimated Cost to Fix: $300 - $1,000+ per motor.
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Sunroof may become stuck, make excessive noise, or leak water.
  • Solution: Repair or replacement of the sunroof motor, tracks, or seals.
  • Estimated Cost to Fix: $200 - $1,500+ depending on the severity.
  • Recalls: None Found

Category: Exterior

• Adaptive Headlight Malfunctions
  • Description/Symptoms: Adaptive headlights may fail to adjust properly or display error messages.
  • Solution: Recalibration or replacement of the headlight module or assembly.
  • Estimated Cost to Fix: $500 - $2,000+ per headlight.
  • Recalls: None Found

Summary

The 2021 BMW 750Li xDrive, while a luxurious and powerful vehicle, can experience a range of issues. Engine and transmission problems, although not widespread, can be costly to repair. Electrical glitches, particularly with the infotainment system and sensors, are also a common complaint. Suspension issues with the air suspension system can also be expensive to repair. Overall, while the severity of these issues varies, potential buyers should be aware of the potential for costly repairs and ensure a thorough inspection of the vehicle before purchase.