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2012 BMW 750i xDrive

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By Research the Car 4 min read

The 2012 BMW 750i xDrive is a luxury sedan known for its powerful performance and opulent features. The 750i xDrive comes equipped with a 4.4-liter TwinPower Turbo V8 engine that delivers 400 horsepower and 450 lb-ft of torque. The engine is paired with an eight-speed automatic transmission. Owners generally appreciate the car’s smooth ride, powerful engine, and luxurious interior. Common complaints revolve around its high maintenance costs, potential for electrical issues, and the complexity of its technology.

Engine

4.4L TwinPower Turbo V8 (N63 Engine)

  • Oil Leaks
    • Description/Symptoms: Oil leaks often develop around the valve cover gaskets, oil pan gasket, and timing chain cover. Symptoms include visible oil leaks on the ground, burning oil smell, and low oil levels.
    • Solution: Replacing the affected gaskets or seals is the typical solution.
    • Estimated Cost to Fix: $500 - $1500+ depending on the location and severity of the leak.
    • Recalls: None Found
  • Coolant Leaks
    • Description/Symptoms: Coolant leaks are common at the coolant transfer pipe (the “valley pan”) located beneath the intake manifold, as well as from the turbocharger coolant lines. Symptoms include low coolant levels, overheating, and visible coolant leaks.
    • Solution: Replacing the coolant transfer pipe or lines.
    • Estimated Cost to Fix: $1200 - $2500+
    • Recalls: None Found
  • High Oil Consumption
    • Description/Symptoms: The N63 engine is known for its higher than average oil consumption. Some owners report needing to add a quart of oil every 1,000 miles.
    • Solution: There is no definitive fix, but potential solutions include replacing valve stem seals or piston rings, though these are costly and may not entirely resolve the issue.
    • Estimated Cost to Fix: $2000 - $5000+
    • Recalls: None Found
  • Turbocharger Issues
    • Description/Symptoms: Turbochargers may experience premature wear or failure, leading to reduced engine power, unusual noises (whining, whistling), and potential oil leaks.
    • Solution: Turbocharger replacement is often required.
    • Estimated Cost to Fix: $3000-$6000+
    • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

  • Mechatronic Sleeve Leaks
    • Description/Symptoms: The mechatronic sleeve is a connector that seals the transmission wiring harness to the valve body. It can leak over time, leading to transmission fluid loss and potential shifting problems.
    • Solution: Replacing the mechatronic sleeve.
    • Estimated Cost to Fix: $300 - $600+
    • Recalls: None Found
  • Valve Body Issues
    • Description/Symptoms: Valve body issues can lead to harsh shifting, slipping, and difficulty shifting gears.
    • Solution: Valve body replacement or rebuild.
    • Estimated Cost to Fix: $1500 - $3000+
    • Recalls: None Found

Suspension

  • Air Suspension Compressor Failure
    • Description/Symptoms: The air suspension compressor can fail, leading to a sagging suspension, especially in the rear. You may also hear the compressor running excessively or not at all.
    • Solution: Replacing the air suspension compressor.
    • Estimated Cost to Fix: $800 - $1500+
    • Recalls: None Found
  • Air Strut Leaks
    • Description/Symptoms: Air struts can develop leaks, causing the vehicle to sit unevenly or sag.
    • Solution: Replacing the leaking air strut.
    • Estimated Cost to Fix: $1000 - $2000+ per strut.
    • Recalls: None Found

Electrical

  • Battery Drain Issues
    • Description/Symptoms: Excessive battery drain can lead to a dead battery overnight or after a short period of inactivity. This is often caused by a faulty control module or parasitic draw.
    • Solution: Diagnosing and replacing the faulty module or component causing the parasitic draw.
    • Estimated Cost to Fix: $200 - $1000+ depending on the source of the drain.
    • Recalls: None Found
  • iDrive System Malfunctions
    • Description/Symptoms: The iDrive system can experience glitches, freezes, or complete failures.
    • Solution: Software updates, module resets, or replacement of the iDrive controller or screen.
    • Estimated Cost to Fix: $300 - $2000+
    • Recalls: None Found
  • Comfort Access System Issues
    • Description/Symptoms: Comfort Access system malfunctions may cause difficulties with locking, unlocking, or starting the car with the key fob.
    • Solution: Key fob replacement or Comfort Access sensor repair.
    • Estimated Cost to Fix: $200 - $1000+
    • Recalls: None Found

Exterior

  • Adaptive Headlight Problems
    • Description/Symptoms: Adaptive headlights may fail to adjust properly, display error messages, or stop working altogether.
    • Solution: Replacing the headlight control module or the entire headlight assembly.
    • Estimated Cost to Fix: $800 - $2500+
    • Recalls: None Found

Interior

  • Seat Motor Failures
    • Description/Symptoms: Seat motors can fail, preventing the seat from adjusting properly.
    • Solution: Replacing the faulty seat motor.
    • Estimated Cost to Fix: $300 - $800+ per motor.
    • Recalls: None Found

Summary

The 2012 BMW 750i xDrive, while offering a luxurious driving experience, is prone to several potentially costly issues. Engine oil and coolant leaks, suspension problems, and electrical glitches are among the most common concerns. The severity of these issues ranges from minor inconveniences to major repairs, and the costs can quickly add up. Prospective buyers should be aware of these potential problems and budget accordingly for maintenance and repairs.

BMW, 750i xDrive
BMW 750i xDrive 2012
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