2017 BMW 740i xDrive

The 2017 BMW 740i xDrive is a luxury sedan known for its comfortable ride, advanced technology, and powerful engine. The 740i xDrive specifically comes with a 3.0-liter turbocharged inline-six engine producing 320 horsepower and 330 lb-ft of torque. Other engine options for the 2017 7 Series included the 750i/750i xDrive with a 4.4-liter twin-turbo V8 and the 740e xDrive plug-in hybrid with a 2.0-liter turbocharged four-cylinder paired with an electric motor. All models came standard with an 8-speed automatic transmission. Owners often praise the 740i xDrive for its smooth ride, luxurious interior, and abundance of features. Common dislikes include the complicated iDrive system, expensive maintenance costs, and some reports of electronic glitches.

Engine

3.0L Turbocharged Inline-Six (B58)

• Oil Leaks (Valve Cover Gasket)
  • Description/Symptoms: Oil leaking around the valve cover gasket, leading to a burning smell or visible oil drips.
  • Solution: Replace the valve cover gasket.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found
• Coolant Leaks (Water Pump)
  • Description/Symptoms: Coolant leaks from the water pump area, overheating issues, low coolant levels.
  • Solution: Replace the water pump and thermostat as a preventative measure.
  • Estimated Cost to Fix: $800 - $1200+
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Rough Shifting/Hesitation
  • Description/Symptoms: Delayed or harsh shifts, particularly between certain gears. Can be more noticeable when cold.
  • Solution: A software update might help, but often requires valve body replacement or complete transmission overhaul/replacement.
  • Estimated Cost to Fix: $500 (Software Update) - $4,000+ (Valve Body/Overhaul)
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure
  • Description/Symptoms: Vehicle sits low, particularly in one corner. Warning lights appear on the dashboard related to suspension. Compressor might be noisy before failing completely.
  • Solution: Replace the air suspension compressor. Replacing the air struts at the same time is often recommended.
  • Estimated Cost to Fix: $1,200 - $2,500+
  • Recalls: None Found

Electrical

• iDrive System Glitches/Freezing
  • Description/Symptoms: The iDrive system freezes, reboots unexpectedly, or displays error messages. Navigation, audio, and other features become unresponsive.
  • Solution: Software update, replacement of the iDrive screen and CPU, or replacement of the head unit.
  • Estimated Cost to Fix: $150 - $2500+
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: Battery drains quickly, especially when the car is parked for extended periods. Can lead to difficulty starting the car.
  • Solution: Diagnose and repair parasitic drain. Could be caused by faulty modules, improperly installed aftermarket electronics, or a failing battery.
  • Estimated Cost to Fix: $150 - $1000+
  • Recalls: None Found

Exterior

• Malfunctioning Door Handles (Soft Close)
  • Description/Symptoms: Soft-close doors fail to latch properly, requiring slamming to close. Can trigger warning messages.
  • Solution: Replace the door handle actuator or the entire door handle assembly.
  • Estimated Cost to Fix: $800 - $1500+ per door
  • Recalls: None Found

Interior

• Seat Heater Malfunction
  • Description/Symptoms: Seat heaters fail to warm up or become excessively hot.
  • Solution: Replace the seat heater element or control module.
  • Estimated Cost to Fix: $500 - $1000+ per seat
  • Recalls: None Found

Summary

The 2017 BMW 740i xDrive is a luxurious vehicle that offers great performance and comfort but can suffer from a range of issues. Electrical glitches and suspension problems are common, and repairs can be expensive. Addressing the issues early can prevent further damage and ensure a more enjoyable ownership experience. While the 3.0L inline 6 engine has minor issues, overall, the engine is considered reliable. The ZF 8-speed transmission can experience rough shifting as the vehicle gets older. Due to the complexity of the vehicle, repairs should be performed by certified BMW mechanics.