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2010 BMW 750i

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By Research the Car 5 min read

The 2010 BMW 750i is a luxury sedan known for its blend of performance and comfort. It was available with a 4.4-liter twin-turbocharged V8 engine producing 400 horsepower and 450 lb-ft of torque. This engine provided strong acceleration and smooth power delivery. One of the primary draws of the 2010 750i is its luxurious interior and refined driving experience. However, some common complaints revolve around the car’s complex electronics and potential for expensive repairs, making it essential to be aware of potential issues before purchasing. The 2010 BMW 750i was only available with the 4.4L Twin Turbo V8 engine. It was offered in RWD and AWD platforms.

Engine

4.4L Twin-Turbo V8 (N63)

  • Oil Leaks
    • Description/Symptoms: Oil leaks are common due to aging seals and gaskets. Signs include visible oil drips, burning oil smells, and low oil levels. Common leak locations include valve cover gaskets, oil pan gasket, and turbocharger oil lines.
    • Solution: Replacing the leaking gaskets and seals. Proper diagnosis to pinpoint the source of the leak is critical.
    • Estimated Cost to Fix: $200 - $1500+ depending on the location of the leak and the shop labor rates.
    • Recalls: None Found
  • Coolant Leaks
    • Description/Symptoms: Coolant leaks can occur from various points in the cooling system, including the water pump, radiator, hoses, and expansion tank. Symptoms include low coolant levels, overheating, and visible coolant leaks.
    • Solution: Replace the leaking component, such as the water pump, radiator, or hoses.
    • Estimated Cost to Fix: $200 - $1000+ depending on the location of the leak.
    • Recalls: None Found
  • Valve Stem Seal Failure
    • Description/Symptoms: Blue smoke on startup, especially after the car has been sitting for a while. Oil consumption increases, and the engine may run rough.
    • Solution: Replacing the valve stem seals.
    • Estimated Cost to Fix: $3000+ (This is a labor-intensive job).
    • Recalls: None Found
  • Fuel Injector Issues
    • Description/Symptoms: Rough idling, misfires, and decreased fuel efficiency. Diagnostic codes related to fuel injector performance may be present.
    • Solution: Replacement of the faulty fuel injectors.
    • Estimated Cost to Fix: $200 - $400+ per injector, plus labor.
    • Recalls: None Found

Transmission

6HP26 6-Speed Automatic Transmission

  • Slipping and Harsh Shifting
    • Description/Symptoms: The transmission may slip between gears or shift harshly. This can be more pronounced when the transmission is cold.
    • Solution: Transmission fluid flush and filter change may resolve minor issues. More severe problems require valve body repair or replacement, or a full transmission rebuild.
    • Estimated Cost to Fix: Fluid flush: $200-$400, Valve body repair/replacement: $1000 - $2500, Transmission rebuild: $3000 - $6000
    • Recalls: None Found
  • Mechatronic Sleeve Leaks
    • Description/Symptoms: Transmission fluid leaks from the mechatronic sleeve (the electrical connector between the transmission and the car’s wiring harness). Symptoms include fluid on the ground, transmission warning lights, and potential shifting problems.
    • Solution: Replacing the mechatronic sleeve and potentially the associated seals.
    • Estimated Cost to Fix: $300 - $700
    • Recalls: None Found

Suspension

  • Air Suspension Failure
    • Description/Symptoms: The air suspension can fail, leading to a saggy ride height, uneven ride height, or the car sitting completely on its bump stops. This can be caused by leaks in the air springs, a failing air compressor, or problems with the suspension control module.
    • Solution: Replacing the faulty air springs, air compressor, or suspension control module. Inspecting and repairing any air lines.
    • Estimated Cost to Fix: Air springs: $500 - $1500 each, Air compressor: $500 - $1200, Control module: $300 - $800+
    • Recalls: None Found
  • Control Arm Bushing Wear
    • Description/Symptoms: Worn control arm bushings can cause clunking noises, vibrations, and poor handling.
    • Solution: Replacing the worn control arm bushings or the entire control arm assembly.
    • Estimated Cost to Fix: $300 - $1000+ per control arm depending on labor and parts quality.
    • Recalls: None Found

Electrical

  • Battery Drain Issues
    • Description/Symptoms: The battery drains quickly, especially when the car is not driven frequently. This can be caused by parasitic draws from various electrical components.
    • Solution: Diagnose and repair the source of the parasitic draw. This can involve testing individual circuits and components to identify the culprit.
    • Estimated Cost to Fix: $100 - $500+ depending on the complexity of the issue.
    • Recalls: None Found
  • iDrive System Problems
    • Description/Symptoms: The iDrive system can experience glitches, freezing, or complete failure. This can affect navigation, entertainment, and climate control functions.
    • Solution: Software updates, replacement of the iDrive control unit, or repair of faulty wiring.
    • Estimated Cost to Fix: $200 - $1500+ depending on the severity of the problem.
    • Recalls: None Found
  • Comfort Access Malfunctions
    • Description/Symptoms: The comfort access system (keyless entry and start) can become unreliable or stop working altogether. This can be caused by faulty door handle sensors, a failing comfort access module, or problems with the key fob.
    • Solution: Replacing the faulty door handle sensors, comfort access module, or key fob.
    • Estimated Cost to Fix: $200 - $1000+ depending on the component that needs replacing.
    • Recalls: None Found

Exterior

  • Adaptive Headlight Issues
    • Description/Symptoms: Adaptive headlights may fail to self-level or adjust properly, resulting in poor visibility.
    • Solution: Replacing the headlight leveling motors or the entire headlight assembly. Recalibration of the system.
    • Estimated Cost to Fix: $500 - $2000+ depending on the required repair.
    • Recalls: None Found

Interior

  • Sunroof Issues
    • Description/Symptoms: Sunroof may get stuck, make excessive noise, or leak water.
    • Solution: Cleaning and lubricating the sunroof tracks and mechanism, replacing the sunroof motor, or repairing damaged seals.
    • Estimated Cost to Fix: $200 - $1000+ depending on the issue.
    • Recalls: None Found

Summary:

The 2010 BMW 750i, while a luxurious and powerful vehicle, is prone to a variety of issues that can be costly to repair. Engine oil and coolant leaks are common, particularly with the N63 engine. Transmission problems, air suspension failures, and electrical glitches are also frequently reported. The severity of these issues ranges from minor annoyances to major repairs, and the associated costs can be substantial, especially due to the labor-intensive nature of working on this complex vehicle. Potential buyers should be aware of these potential problems and factor them into their purchase decision.

BMW, 750i
BMW 750i 2010
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