2012 BMW 750Li xDrive

The 2012 BMW 750Li xDrive is a luxury sedan known for its powerful performance and luxurious features. The 750Li xDrive came equipped with a 4.4-liter twin-turbocharged V8 engine producing 400 horsepower and 450 lb-ft of torque, paired with an 8-speed automatic transmission. While owners appreciate the car’s comfortable ride, spacious interior, and abundant technology, some common complaints include electrical issues, oil leaks, and expensive maintenance costs.

Engine

4.4L Twin-Turbo V8 (N63)

• Valve Stem Seal Failure
  • Description/Symptoms: Excessive oil consumption, blue smoke from the exhaust, especially upon startup after the car has been sitting.
  • Solution: Replacing the valve stem seals. In some cases, the entire cylinder head needs to be removed or replaced.
  • Estimated Cost to Fix: $4,000 - $8,000+
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Whining or whistling noises from the engine, loss of power, check engine light.
  • Solution: Replacement of the failed turbocharger(s). It is often recommended to replace both turbos at the same time.
  • Estimated Cost to Fix: $3,000 - $6,000+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Oil drips under the car, burning oil smell, low oil level. Common leak locations include valve cover gaskets, oil pan gasket, and oil filter housing gasket.
  • Solution: Replacing the leaking gaskets.
  • Estimated Cost to Fix: $500 - $2,000+ depending on the location of the leak.
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Low coolant level, overheating, coolant warning light, visible coolant leaks.
  • Solution: Replacing the leaking hoses, expansion tank, or water pump.
  • Estimated Cost to Fix: $300 - $1,500+ depending on the location of the leak.
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Slipping or Harsh Shifting
  • Description/Symptoms: Delayed shifts, jerky gear changes, transmission slipping, or refusing to shift at all.
  • Solution: Possible causes include low transmission fluid, faulty valve body, or worn clutches. A fluid flush may help in some cases, but often requires valve body replacement or a full transmission rebuild/replacement.
  • Estimated Cost to Fix: $300 (fluid flush) - $5,000+ (transmission rebuild/replacement)
  • Recalls: None Found

Suspension

• Air Suspension Failure
  • Description/Symptoms: Car sagging on one or more corners, “Self-leveling Inactive” warning light, compressor running constantly.
  • Solution: Replacing the failed air strut(s) or air compressor. Leaks in the air lines can also cause this issue.
  • Estimated Cost to Fix: $1,000 - $3,000+ per strut, $500 - $1,500+ for the compressor
  • Recalls: None Found
• Control Arm Bushing Failure
  • Description/Symptoms: Clunking or rattling noises from the front suspension, especially over bumps, uneven tire wear.
  • Solution: Replacing the worn control arm bushings or the entire control arm.
  • Estimated Cost to Fix: $300 - $1,000+ per side.
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Car battery draining overnight or within a few days, difficulty starting the car.
  • Solution: Diagnosing and repairing the source of the parasitic draw. Common culprits include faulty modules, aftermarket electronics, or a failing alternator.
  • Estimated Cost to Fix: $100 - $1,000+ depending on the cause.
  • Recalls: None Found
• iDrive System Malfunctions
  • Description/Symptoms: iDrive screen freezing, rebooting, or failing to respond to inputs.
  • Solution: Software updates, replacement of the iDrive control module, or repair of wiring issues.
  • Estimated Cost to Fix: $100 - $1,500+
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Warning lights related to various sensors, such as TPMS, ABS, or parking sensors.
  • Solution: Replacing the faulty sensor.
  • Estimated Cost to Fix: $100 - $500+ per sensor.
  • Recalls: None Found

Exterior

• Adaptive Headlight Malfunction
  • Description/Symptoms: Headlights not adjusting properly, “Adaptive Headlight Malfunction” warning light.
  • Solution: Replacing the headlight control module or the headlight assembly.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof getting stuck, making excessive noise, or leaking.
  • Solution: Repairing or replacing the sunroof motor, rails, or seals.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found
• Seat Motor Failure
  • Description/Symptoms: Seats not moving or adjusting properly.
  • Solution: Replacing the seat motor or switch.
  • Estimated Cost to Fix: $300 - $800+ per seat.
  • Recalls: None Found

Summary

The 2012 BMW 750Li xDrive, while offering a luxurious driving experience, is prone to several issues that can be costly to repair. Engine problems such as valve stem seal failure and turbocharger issues can lead to high repair bills. Suspension and electrical issues are also common. Overall, potential buyers should be aware of these potential problems and factor in maintenance costs when considering this vehicle. The severity of the problems can range from moderate inconveniences to major mechanical failures.