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2018 BMW M760i xDrive

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By Research the Car 4 min read

The 2018 BMW M760i xDrive is a high-performance luxury sedan known for its powerful V12 engine and opulent interior. It delivers a blend of exhilarating performance and refined comfort. The 2018 M760i xDrive is equipped with a 6.6L Twin-Turbo V12 engine producing 601 horsepower and 590 lb-ft of torque. It is paired exclusively with an 8-speed automatic transmission. Owners appreciate the car’s immense power, smooth ride, and luxurious appointments. Common complaints include the high cost of maintenance and repairs, as well as some reported issues with the car’s complex electronics.

Engine

6.6L Twin-Turbo V12

  • Oil Leaks
    • Description/Symptoms: Oil leaks are reported from various engine seals and gaskets. This can lead to low oil levels, visible oil spots, and a burning oil smell.
    • Solution: Replacing the affected seals and gaskets.
    • Estimated Cost to Fix: $500 - $2,000+ depending on the location and severity of the leak.
    • Recalls: None Found
  • Coolant Leaks
    • Description/Symptoms: Coolant leaks are reported. This can lead to low coolant levels and an overheating engine.
    • Solution: Repair the leak and replace coolant.
    • Estimated Cost to Fix: $200 - $1,000+ depending on the location and severity of the leak.
    • Recalls: None Found
  • Faulty Ignition Coils
    • Description/Symptoms: Engine misfires, rough idling, reduced power, and illumination of the check engine light.
    • Solution: Replacing the faulty ignition coils.
    • Estimated Cost to Fix: $300 - $800+ depending on the number of coils needing replacement.
    • Recalls: None Found

Transmission

8-Speed Automatic

  • Rough Shifting
    • Description/Symptoms: Harsh or jerky shifts between gears, particularly during acceleration or deceleration.
    • Solution: A software update or transmission fluid flush may resolve the issue. In some cases, valve body replacement or a full transmission rebuild is necessary.
    • Estimated Cost to Fix: $200 (fluid flush) - $6,000+ (transmission rebuild)
    • Recalls: None Found
  • Delayed Engagement
    • Description/Symptoms: Delay when shifting from Park or Neutral into Drive or Reverse.
    • Solution: May require transmission rebuild or replacement.
    • Estimated Cost to Fix: $5,000+
    • Recalls: None Found

Suspension

  • Air Suspension Issues
    • Description/Symptoms: The M760i xDrive has air suspension. Air suspension may lead to leaks, causing the vehicle to sag or not maintain proper ride height. Error messages on the dashboard may also appear.
    • Solution: Replacing the affected air springs or compressor.
    • Estimated Cost to Fix: $1,000 - $3,000+ depending on the component and labor costs.
    • Recalls: None Found
  • Control Arm Bushing Wear
    • Description/Symptoms: Premature wear of control arm bushings can cause clunking noises from the suspension, imprecise steering, and uneven tire wear.
    • Solution: Replacing the worn control arm bushings or the entire control arm assembly.
    • Estimated Cost to Fix: $500 - $1,500+ per axle.
    • Recalls: None Found

Electrical

  • iDrive System Malfunctions
    • Description/Symptoms: Freezing, lagging, or crashing of the iDrive infotainment system. This can affect navigation, audio, climate control, and other vehicle functions.
    • Solution: Software updates, module resets, or replacement of the iDrive control unit.
    • Estimated Cost to Fix: $200 (software update) - $2,000+ (control unit replacement)
    • Recalls: None Found
  • Sensor Failures
    • Description/Symptoms: Malfunctions in various sensors, such as parking sensors, tire pressure monitoring sensors (TPMS), or oxygen sensors, leading to error messages and/or disabled features.
    • Solution: Replacing the faulty sensors.
    • Estimated Cost to Fix: $200 - $500+ per sensor.
    • Recalls: None Found
  • Battery Drain
    • Description/Symptoms: The battery drains quicker than expected, especially when the vehicle is left sitting for extended periods. This can be caused by a parasitic drain from an electrical component.
    • Solution: Diagnosing and repairing the source of the parasitic draw. Replacing the battery if necessary.
    • Estimated Cost to Fix: $100 (diagnosis) - $500+ (component repair/replacement).
    • Recalls: None Found

Exterior

  • Adaptive Headlight Issues
    • Description/Symptoms: Malfunctions in the adaptive headlight system, such as lights not leveling correctly, error messages, or complete headlight failure.
    • Solution: Diagnosis and repair of the headlight modules or replacement of the entire headlight assembly.
    • Estimated Cost to Fix: $500 - $2,500+ per headlight.
    • Recalls: None Found

Interior

  • Seat Motor Failures
    • Description/Symptoms: Failure of the seat motors preventing adjustment of the seats, headrests, or lumbar support.
    • Solution: Replacing the faulty seat motor or control module.
    • Estimated Cost to Fix: $300 - $1,000+ per seat.
    • Recalls: None Found
  • Sunroof Malfunctions
    • Description/Symptoms: Sunroof failing to open or close properly, making excessive noise, or leaking.
    • Solution: Repairing or replacing the sunroof motor, tracks, or seals.
    • Estimated Cost to Fix: $300 - $1,500+
    • Recalls: None Found

Summary

The 2018 BMW M760i xDrive is a complex and powerful vehicle with potential issues related to its engine, transmission, suspension, and electronics. While some issues may be minor and inexpensive to fix, others, such as transmission or air suspension problems, can be quite costly. Potential buyers should be aware of these potential issues and factor in the cost of maintenance and repairs when considering the purchase of this vehicle. Addressing these issues proactively can help ensure the longevity and reliability of the car.

BMW, M760i xDrive
BMW M760i xDrive 2018
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