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2014 BMW 750i

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By Research the Car 4 min read

Here’s a breakdown of common issues and complaints reported for the 2014 BMW 750i, organized by category and specific engine/transmission options. This information is based on common reports and should be used as a starting point for further research.

The 2014 BMW 750i is a full-size luxury sedan offering a blend of performance, comfort, and technology. The most prevalent engine in the 750i is a 4.4-liter TwinPower Turbo V8 engine producing 445 horsepower and 480 lb-ft of torque. Other engine options included a 3.0-liter inline-6 and a 6.0-liter V12, though less frequently encountered. The 750i is paired with an 8-speed automatic transmission. Owners often praise the car’s powerful engine, smooth ride, and luxurious interior, while common complaints include the high cost of maintenance, complex electronics that can be prone to failure, and some reliability concerns.

Engine

4.4L TwinPower Turbo V8 (N63TU)

  • Oil Leaks
    • Description/Symptoms: Oil leaks are common in the N63TU engine, often stemming from valve cover gaskets, oil pan gaskets, and turbocharger oil lines. Symptoms include visible oil leaks, burning oil smell, and low oil level warnings.
    • Solution: Replacing the leaking gaskets or lines.
    • Estimated Cost to Fix: $500 - $2000+ (depending on the location and severity of the leak)
    • Recalls: None Found
  • Coolant Leaks
    • Description/Symptoms: Coolant leaks can occur at various points in the cooling system, including the coolant expansion tank, hoses, and water pump. Overheating is a symptom of a coolant leak.
    • Solution: Replacing the leaking components.
    • Estimated Cost to Fix: $300 - $1500+ (depending on the component)
    • Recalls: None Found
  • VANOS Issues
    • Description/Symptoms: Variable valve timing (VANOS) system malfunctions can cause rough idling, decreased performance, and error codes.
    • Solution: Replacing faulty VANOS solenoids or units.
    • Estimated Cost to Fix: $500 - $2000+
    • Recalls: None Found
  • Fuel Injector Problems
    • Description/Symptoms: Direct fuel injection (DFI) systems are sensitive to fuel quality, and injectors can become clogged or fail. Symptoms include misfires, rough running, and poor fuel economy.
    • Solution: Cleaning or replacing fuel injectors.
    • Estimated Cost to Fix: $400 - $2000+ (depending on how many injectors are replaced)
    • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

  • Harsh Shifting/Hesitation
    • Description/Symptoms: Some owners report experiencing harsh or delayed shifting, particularly between certain gears. This can sometimes be caused by worn valve bodies or low transmission fluid.
    • Solution: Transmission fluid flush and filter replacement, or valve body replacement.
    • Estimated Cost to Fix: $300 - $3000+ (depending on the severity and needed repairs)
    • Recalls: None Found

Suspension

  • Air Suspension Leaks/Failure
    • Description/Symptoms: The 750i often comes equipped with air suspension. Leaks in the air struts or compressor failure can lead to the car sitting unevenly or riding harshly.
    • Solution: Replacing the leaking air struts or the air compressor.
    • Estimated Cost to Fix: $800 - $3000+ (depending on the components)
    • Recalls: None Found
  • Control Arm Bushing Wear
    • Description/Symptoms: Worn control arm bushings can cause vibrations, clunking noises, and poor handling.
    • Solution: Replacing the worn control arm bushings.
    • Estimated Cost to Fix: $300 - $1000+
    • Recalls: None Found

Electrical

  • iDrive System Issues
    • Description/Symptoms: The iDrive infotainment system can experience glitches, freezes, or complete failures.
    • Solution: Software updates, or replacement of the iDrive control unit.
    • Estimated Cost to Fix: $200 - $2000+ (depending on the fix)
    • Recalls: None Found
  • Sensor Malfunctions
    • Description/Symptoms: Various sensors throughout the vehicle (e.g., oxygen sensors, mass airflow sensors, wheel speed sensors) can fail, triggering warning lights and affecting performance.
    • Solution: Replacing the faulty sensor.
    • Estimated Cost to Fix: $200 - $800+ (depending on the sensor)
    • Recalls: None Found
  • Battery Drain
    • Description/Symptoms: Excessive battery drain can occur due to faulty modules or parasitic draw.
    • Solution: Diagnose and repair the source of the battery drain, and/or replace the battery.
    • Estimated Cost to Fix: $150 - $1000+ (depending on the complexity)
    • Recalls: None Found

Exterior

  • Adaptive Headlight Malfunctions
    • Description/Symptoms: Adaptive headlights can fail to adjust properly or display error messages.
    • Solution: Replacing the headlight assembly or related components.
    • Estimated Cost to Fix: $500 - $2000+
    • Recalls: None Found

Interior

  • Seat Motor Failures
    • Description/Symptoms: The power seat motors can fail, preventing the seat from adjusting properly.
    • Solution: Replacing the faulty seat motor.
    • Estimated Cost to Fix: $300 - $1000+
    • Recalls: None Found
  • Sunroof Issues
    • Description/Symptoms: Sunroofs can become stuck, leak, or make excessive noise.
    • Solution: Repairing or replacing the sunroof mechanism or seals.
    • Estimated Cost to Fix: $200 - $1500+
    • Recalls: None Found

Summary

The 2014 BMW 750i offers a luxurious and powerful driving experience, but potential buyers should be aware of potential reliability issues. The most common problems revolve around the engine (oil leaks, coolant leaks), suspension (air suspension failures), and electrical systems (iDrive malfunctions). While not all vehicles will experience these issues, they are frequently reported, and repair costs can be significant. Pre-purchase inspections and careful maintenance are crucial for owning a 2014 BMW 750i.

BMW, 750i
BMW 750i 2014
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