2018 BMW 750i xDrive

Here’s a breakdown of common issues and complaints for the 2018 BMW 750i xDrive, formatted for your website’s needs.

The 2018 BMW 750i xDrive is a luxury sedan known for its powerful engine, advanced technology, and comfortable ride. Other engine options for the 2018 7 Series included the 740i and 740e xDrive, which have a smaller displacement inline-6, and the M760i xDrive, which has a larger displacement V12. The 750i xDrive comes equipped with a 4.4-liter twin-turbo V8 engine producing 445 horsepower and 480 lb-ft of torque. It is paired exclusively with an 8-speed automatic transmission. Owners often praise the car for its smooth acceleration, luxurious interior, and advanced features. Common complaints include the car’s complexity, the high cost of maintenance and repairs, and occasional electronic glitches.

Engine

4.4L Twin-Turbo V8 (N63TU2)

• Oil Leaks
  • Description/Symptoms: Oil leaks, especially from the valve cover gaskets, turbocharger oil lines, and oil pan gasket. Symptoms include visible oil leaks, burning oil smell, and low oil level.
  • Solution: Replacing the affected gaskets or lines.
  • Estimated Cost to Fix: $800 - $2,500+ depending on the location and severity of the leak.
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant leaks from various points in the system, including the coolant transfer pipe (the “valley pan”). Symptoms include low coolant level, overheating, and visible coolant leaks.
  • Solution: Replacing the affected components, often requires significant engine disassembly.
  • Estimated Cost to Fix: $1,500 - $4,000+ depending on the location of the leak.
  • Recalls: None Found
• Turbocharger Issues
  • Description/Symptoms: Whining noises, reduced power, or turbocharger failure.
  • Solution: Replacing or rebuilding the turbochargers.
  • Estimated Cost to Fix: $3,000 - $7,000+ for replacement of both turbos.
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Rough Shifting/Hesitation
  • Description/Symptoms: Rough or delayed shifts, especially between lower gears. Hesitation during acceleration.
  • Solution: Software update of the transmission control module (TCM) or replacement of the valve body or solenoids. In some cases, a full transmission replacement may be necessary.
  • Estimated Cost to Fix: $300 - $1,500 for software updates or valve body repair; $5,000 - $9,000+ for full transmission replacement.
  • Recalls: None Found
• Transmission Oil Pan Leaks
  • Description/Symptoms: Leaking transmission fluid from the oil pan.
  • Solution: Replacement of the oil pan, filter and gasket.
  • Estimated Cost to Fix: $500 - $900+
  • Recalls: None Found

Suspension

• Air Suspension Problems
  • Description/Symptoms: The 750i xDrive has air suspension. Problems include the vehicle not maintaining proper ride height, sagging on one side, or compressor failure.
  • Solution: Replacing the air struts, compressor, or air lines.
  • Estimated Cost to Fix: $1,000 - $3,000+ per strut, $800 - $1,500+ for the compressor.
  • Recalls: None Found

Electrical

• iDrive System Malfunctions
  • Description/Symptoms: Freezing, lagging, or rebooting of the iDrive infotainment system.
  • Solution: Software updates, replacement of the iDrive controller, or replacement of the head unit.
  • Estimated Cost to Fix: $200 - $800 for software updates, $500 - $2,000+ for hardware replacement.
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Failures of various sensors, including those for the parking system, driver assistance features, and tire pressure monitoring system (TPMS).
  • Solution: Replacement of the faulty sensor.
  • Estimated Cost to Fix: $100 - $500+ per sensor depending on the location and function.
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: Rapid battery drain, especially when the car is not in use, often caused by a parasitic drain.
  • Solution: Identifying and repairing the source of the parasitic drain. This may involve replacing a faulty module or repairing wiring.
  • Estimated Cost to Fix: $100 - $1,000+ depending on the complexity of the issue.
  • Recalls: None Found

Exterior

• Adaptive Headlight Malfunctions
  • Description/Symptoms: Headlights not leveling correctly, error messages related to the adaptive headlight system.
  • Solution: Recalibration or replacement of the headlight control module or individual headlight units.
  • Estimated Cost to Fix: $300 - $2,000+ per headlight unit.
  • Recalls: None Found

Interior

• Seat Motor Failures
  • Description/Symptoms: Seat not adjusting properly, or motor making unusual noises.
  • Solution: Replacing the seat motor or repairing the seat mechanism.
  • Estimated Cost to Fix: $300 - $1,000+ per seat.
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, or making grinding noises.
  • Solution: Repairing or replacing the sunroof motor, tracks, or seals.
  • Estimated Cost to Fix: $300 - $1,500+ depending on the severity of the problem.
  • Recalls: None Found

Summary

The 2018 BMW 750i xDrive, while a luxurious and powerful vehicle, can suffer from a range of issues, particularly with the engine’s oil and coolant leaks and the air suspension system. Electrical gremlins and infotainment issues are also common. Repair costs can be significant due to the complexity of the car and the high cost of BMW parts. Potential buyers should be aware of these issues and factor in the cost of potential repairs when considering this model. The engine and transmission issues are moderate in terms of severity and can be high in cost. Suspension and Electrical issues are more severe due to the reliance of the driver on those systems and can have costs ranging from moderate to high.