2013 BMW 750Li xDrive

The 2013 BMW 750Li xDrive is a luxurious and powerful full-size sedan, boasting a blend of performance and comfort. This model specifically comes equipped with a 4.4-liter Twin-Turbocharged V8 engine producing 445 horsepower and 480 lb-ft of torque. Other engine options available for the 2013 7 Series include a 3.0-liter inline-6 cylinder engine in the 740i and 740Li models, and a 6.0-liter V12 engine in the 760Li. The transmission option for the 750Li xDrive is an 8-speed automatic. Owners often praise the 750Li xDrive for its smooth ride, powerful acceleration, and luxurious interior. However, common complaints include the high cost of maintenance and repairs, as well as potential issues with the complex electronics and engine.

Engine

N63TU 4.4L Twin-Turbo V8

• Oil Leaks
  • Description/Symptoms: Oil leaks can occur from various locations, including the valve cover gaskets, oil pan gasket, and turbocharger oil lines. Symptoms include visible oil leaks, burning oil smell, and low oil level.
  • Solution: Replacing the affected gaskets or lines.
  • 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 can occur from the coolant transfer pipe (often referred to as the “valley pan leak” since it’s located in the V of the engine). Symptoms include low coolant level, overheating, and a sweet smell of coolant.
  • Solution: Replacing the coolant transfer pipe and related gaskets.
  • Estimated Cost to Fix: $2,000 - $4,000+ due to the complexity of the repair.
  • Recalls: None Found
• Fuel Injector Issues
  • Description/Symptoms: Fuel injectors can fail or become clogged, leading to rough idling, misfires, and reduced performance.
  • Solution: Replacing the faulty fuel injectors.
  • Estimated Cost to Fix: $200 - $500 per injector, plus labor.
  • Recalls: None Found

Transmission

ZF 8HP Automatic Transmission

• Valve Body Issues
  • Description/Symptoms: The valve body can experience wear and tear, leading to harsh shifting, slipping, or failure to shift.
  • Solution: Replacing or rebuilding the valve body.
  • Estimated Cost to Fix: $1,500 - $3,000+.
  • Recalls: None Found
• Mechatronic Unit Failure
  • Description/Symptoms: This is the control unit for the transmission. A faulty unit can cause erratic shifting, limp mode, or complete transmission failure.
  • Solution: Replacing the Mechatronic unit.
  • Estimated Cost to Fix: $2,500 - $4,000+.
  • Recalls: None Found

Suspension

• Air Suspension Failure
  • Description/Symptoms: The air suspension system can develop leaks, causing the car to sag on one or more corners. The air compressor may also fail.
  • Solution: Replacing the affected air struts or the air compressor.
  • Estimated Cost to Fix: $1,000 - $2,500+ per strut, $800 - $1,500+ for the compressor.
  • Recalls: None Found
• Control Arm Bushing Wear
  • Description/Symptoms: Worn control arm bushings can cause clunking noises, vibrations, and poor handling.
  • Solution: Replacing the control arms or just the bushings.
  • Estimated Cost to Fix: $500 - $1,500+ per control arm.
  • Recalls: None Found

Electrical

• iDrive System Issues
  • Description/Symptoms: The iDrive system can experience glitches, freezing, or complete failure.
  • Solution: Software updates, replacing the iDrive controller or head unit.
  • Estimated Cost to Fix: $300 - $2,000+, depending on the issue.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Excessive battery drain can occur due to various electrical components failing to shut down properly.
  • Solution: Diagnosing and repairing the source of the drain.
  • Estimated Cost to Fix: Varies greatly depending on the cause; $100 - $1,000+.
  • Recalls: None Found

Exterior

• Adaptive Headlight Malfunctions
  • Description/Symptoms: The adaptive headlights may fail to adjust properly or display error messages.
  • Solution: Replacing the headlight control module or the headlight assembly.
  • Estimated Cost to Fix: $800 - $2,000+ per headlight.
  • Recalls: None Found

Interior

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

Summary

The 2013 BMW 750Li xDrive is a high-performance luxury sedan with several potential issues. The engine, particularly the N63TU, is prone to oil and coolant leaks, which can be expensive to repair. Transmission problems, especially related to the valve body and Mechatronic unit, are also relatively common. The air suspension system can be problematic as well. Electrical issues, especially with the iDrive system and battery drain, add to the potential cost of ownership. Overall, while the 750Li xDrive offers a luxurious driving experience, prospective buyers should be aware of the potential for significant repair costs, making a thorough pre-purchase inspection essential. The severity of these issues ranges from minor inconveniences to major mechanical failures, with repair costs potentially reaching several thousand dollars for the more complex problems.