2019 BMW 740i

The 2019 BMW 740i is a luxurious and technologically advanced sedan, known for its smooth ride, powerful engine, and opulent interior. The 740i is powered by a 3.0-liter turbocharged inline-six engine producing 320 horsepower and 330 lb-ft of torque. Other engine options available include a 4.4-liter twin-turbocharged V8 in the 750i and a 6.6-liter twin-turbocharged V12 in the M760i. A plug-in hybrid variant, the 745e, is also available. All models utilize an 8-speed automatic transmission. Owners often praise the 740i for its comfortable seats, quiet cabin, and ample tech features. Common complaints include the complexity of the iDrive system and the high cost of maintenance and repairs.

Engine

3.0L Turbocharged Inline-Six (B58)

• Oil Leaks
  • Description/Symptoms: Oil leaks can occur from the valve cover gasket, oil filter housing gasket, and the oil pan gasket. Symptoms include visible oil drips under the car, the smell of burning oil, and low oil level warnings.
  • Solution: Replace the leaking gasket. This usually requires disassembly of the engine’s top end and/or bottom end.
  • Estimated Cost to Fix: $200 - $1,500+ depending on location and severity.
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant leaks can arise from the plastic coolant lines, radiator, and expansion tank. Symptoms include low coolant levels, overheating, and visible coolant puddles.
  • Solution: Replacing the faulty coolant lines or components.
  • Estimated Cost to Fix: $150 - $1,000+ depending on the location and severity of the leak.
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Rough Shifting/Hesitation
  • Description/Symptoms: Some owners report experiencing rough or delayed shifts, particularly between lower gears, or hesitation during acceleration. These issues can stem from worn valve bodies or contaminated transmission fluid.
  • Solution: A transmission fluid flush and replacement of the filter may resolve the issue in some cases. If the problem persists, valve body replacement or transmission rebuild might be necessary.
  • Estimated Cost to Fix: $300-$400 for fluid/filter change, $1,000-$3,000+ for valve body replacement/rebuild.
  • Recalls: None Found

Suspension

• Air Suspension Failure
  • Description/Symptoms: The 740i comes standard with air suspension that can experience issues such as compressor failure, air leaks in the system, or faulty air struts. Symptoms include a sagging vehicle, ride height errors, and error messages on the dashboard.
  • Solution: Diagnosing and replacing the faulty component(s), which may include the air compressor, air struts, or air lines.
  • Estimated Cost to Fix: $800 - $2,500+ per strut.
  • Recalls: None Found

Electrical

• iDrive System Malfunctions
  • Description/Symptoms: The iDrive infotainment system can suffer from various glitches, including screen freezing, unresponsive controls, and connectivity issues with smartphones.
  • Solution: Software updates or replacement of the iDrive module are sometimes required.
  • Estimated Cost to Fix: $100 - $1,500+ depending on the issue.
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Various sensors throughout the vehicle, such as parking sensors, blind-spot monitoring sensors, and adaptive cruise control sensors, may fail. This can result in warning lights or malfunctions in the affected systems.
  • Solution: Replacing the faulty sensor.
  • Estimated Cost to Fix: $200-$800 per sensor.
  • Recalls: None Found

Exterior

• Adaptive Headlight Issues
  • Description/Symptoms: The adaptive headlights may experience issues with leveling or aiming, leading to poor visibility or error messages.
  • Solution: Recalibration or replacement of headlight components.
  • Estimated Cost to Fix: $500-$2,000.
  • Recalls: None Found

Interior

• Seat Motor Malfunctions
  • Description/Symptoms: The power seat motors may fail, preventing adjustment of the seat position.
  • Solution: Replacement of the faulty seat motor or seat assembly.
  • Estimated Cost to Fix: $300-$1,500+.
  • Recalls: None Found

Summary

The 2019 BMW 740i generally enjoys a reputation for luxury and performance but is not without its share of potential issues. Problems tend to be centered around engine oil and coolant leaks, air suspension malfunctions, and electrical glitches. While some of these issues may be minor, others can be costly to repair, especially those concerning the air suspension and complex iDrive system. Prospective buyers should be aware of these potential pitfalls and factor in the higher maintenance costs associated with luxury vehicles.