2016 BMW 750i

The 2016 BMW 750i is a luxurious full-size sedan, offering a blend of performance and comfort. The 750i model is equipped with a 4.4-liter TwinPower Turbo V8 engine producing 445 horsepower and 480 lb-ft of torque. It is paired with an 8-speed automatic transmission. Some owners appreciate the car’s refined driving experience, opulent interior, and advanced technology features. Common criticisms include the complexity of the iDrive system and potential for expensive repairs. Other engine options for the 2016 7 Series include the 740i with a 3.0-liter inline-6, and the 740e hybrid with a 2.0-liter inline-4 paired with an electric motor.

Engine

4.4L TwinPower Turbo V8 (N63TU)

• Oil Leaks
  • Description/Symptoms: Oil leaks often originate from valve cover gaskets, oil filter housing gaskets, or turbocharger oil lines. Symptoms include visible oil leaks on the engine, oil drips on the ground, and the smell of burning oil.
  • Solution: Replacing the affected gaskets or lines is the typical repair.
  • Estimated Cost to Fix: $400 - $1500+ depending on the location of the leak.
  • Recalls: None Found
• Timing Chain Issues
  • Description/Symptoms: The N63 engine family is known for potential timing chain issues, though not as prevalent in the “TU” version. Symptoms can include a rattling noise upon startup, rough running, and engine stalling.
  • Solution: Replacement of the timing chain, guides, and tensioners is the required repair.
  • Estimated Cost to Fix: $2000 - $4000+
  • Recalls: None Found

Transmission

8-Speed Automatic (8HP)

• Rough Shifting/Hesitation
  • Description/Symptoms: Some owners have reported experiencing rough shifting or hesitation when accelerating. This can manifest as jerky gear changes or a delay in response when pressing the accelerator.
  • Solution: A software update may resolve the issue in some cases. In other instances, replacement of valve body solenoids or the entire valve body may be necessary.
  • Estimated Cost to Fix: $300 - $2500+
  • Recalls: None Found

Suspension

• Air Suspension Failure
  • Description/Symptoms: The air suspension system can experience leaks or compressor failures, leading to a sagging vehicle, uneven ride height, or warning lights on the dashboard.
  • Solution: Replacing the leaking air springs, compressor, or ride height sensors can resolve the issue.
  • Estimated Cost to Fix: $800 - $2500+ per corner, depending on the component needing replacement.
  • Recalls: None Found

Electrical

• iDrive System Malfunctions
  • Description/Symptoms: The iDrive system can experience glitches, freezing, or failure to respond to inputs.
  • Solution: Software updates may resolve some issues. In other cases, replacement of the iDrive control unit may be necessary.
  • Estimated Cost to Fix: $300 - $1500+
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Excessive battery drain can lead to a dead battery, especially if the car is left sitting for extended periods. This can be caused by a faulty module or accessory that is not shutting down properly.
  • Solution: Identifying and replacing the faulty module or accessory is the typical repair.
  • Estimated Cost to Fix: $150 - $1000+ depending on the component causing the drain.
  • Recalls: None Found

Exterior

• Automatic Trunk Lid Issues
  • Description/Symptoms: The automatic trunk lid may fail to open or close properly, or may make unusual noises during operation.
  • Solution: Replacing the trunk lid struts, motor, or control module may be necessary.
  • Estimated Cost to Fix: $300 - $1200+
  • Recalls: None Found

Interior

• Seat Massage/Ventilation Problems
  • Description/Symptoms: The seat massage or ventilation features may stop working or function intermittently.
  • Solution: Repair or replacement of the seat motors, fans, or control modules may be required.
  • Estimated Cost to Fix: $200 - $800+ per seat, depending on the component.
  • Recalls: None Found

Summary

The 2016 BMW 750i offers a luxurious driving experience, but it is not without its potential issues. Common problems include oil leaks, timing chain concerns on the N63 engine, air suspension failures, and electrical glitches with the iDrive system. The severity and cost of these repairs can vary widely. Prospective buyers should be aware of these potential issues and consider having a pre-purchase inspection performed by a qualified mechanic.