2019 BMW 740i xDrive

Here’s a breakdown of common issues and complaints reported by owners of the 2019 BMW 740i xDrive, organized by category and component, including available options and costs where applicable. The 2019 BMW 740i xDrive is a luxury sedan known for its comfortable ride, advanced technology, and powerful performance. The 740i xDrive comes standard with a 3.0-liter turbocharged inline-six engine that produces 335 horsepower and 330 lb-ft of torque. This engine is paired with an 8-speed automatic transmission. Other engine options available for the 2019 7 Series include the 750i with a 4.4-liter twin-turbo V8, the 745e plug-in hybrid with a combination of a 3.0-liter inline-six and an electric motor, and the M760i with a 6.6-liter twin-turbo V12. Some common praises for the 740i include its spacious and luxurious interior, smooth ride quality, and responsive handling. Common dislikes can include the complicated iDrive infotainment system, some reliability concerns, and the high cost of maintenance and repairs.

Engine

3.0L Turbocharged Inline-Six (B58)

• Oil Leaks
  • Description/Symptoms: Oil leaks, often noticed as drips under the vehicle, burning oil smell, or low oil level warnings. These leaks can originate from various locations, including the valve cover gasket, oil filter housing gasket, or the oil pan gasket.
  • Solution: Replace the leaking gasket or seal. Thoroughly clean the affected area after the repair to monitor for any recurrence.
  • Estimated Cost to Fix: $200 - $1000+ depending on the location and complexity of the leak.
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant leaks, noticeable as a sweet smell, low coolant level, or overheating. Common leak points include the coolant expansion tank, hoses, or water pump.
  • Solution: Replace the leaking component (e.g., expansion tank, hose, or water pump). Pressure test the system to ensure no other leaks are present.
  • Estimated Cost to Fix: $150 - $800+ depending on the component.
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Rough Shifting/Hesitation
  • Description/Symptoms: Harsh or delayed shifts, particularly between certain gears, or hesitation when accelerating.
  • Solution: In some cases, a software update to the transmission control module (TCM) can resolve the issue. In more severe cases, replacement of valve body components or a complete transmission rebuild/replacement may be necessary.
  • Estimated Cost to Fix: $200 (software update) - $6,000+ (transmission rebuild/replacement)
  • Recalls: None Found
• Transmission Slipping
  • Description/Symptoms: Transmission slipping while accelerating and erratic shifting between gears
  • Solution: Perform a transmission fluid service or replace the entire transmission
  • Estimated Cost to Fix: $300 - $7000
  • Recalls: None Found

Suspension

• Air Suspension Issues
  • Description/Symptoms: The 740i xDrive often comes equipped with air suspension for a smoother ride. Issues include the car sagging on one side, the compressor running constantly, or warning lights indicating a suspension malfunction.
  • Solution: Diagnose the source of the leak (air spring, air line, or compressor). Replace the faulty component. Recalibrate the suspension system after repairs.
  • Estimated Cost to Fix: $500 - $2000+ per air spring, $300 - $1000 for the compressor.
  • Recalls: None Found

Electrical

• iDrive System Malfunctions
  • Description/Symptoms: The iDrive infotainment system can experience glitches, freezing, or complete failure. This can affect navigation, audio, climate control, and other vehicle functions.
  • Solution: Attempt a system reset. If the problem persists, software updates or replacement of the iDrive control unit may be necessary.
  • Estimated Cost to Fix: $100 - $1500+
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Malfunctioning sensors, such as parking sensors or driver-assistance sensors (e.g., lane departure warning, blind-spot monitoring), can cause warning lights and system malfunctions.
  • Solution: Diagnose the faulty sensor using a diagnostic scan tool. Replace the defective sensor and calibrate the system, if needed.
  • Estimated Cost to Fix: $200 - $800+ per sensor, depending on the type and location.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Premature battery drain leading to starting issues or electrical system malfunctions.
  • Solution: Diagnose the cause of the drain, which could be a faulty module, accessory, or wiring issue. Repair or replace the affected component and replace the battery if necessary.
  • Estimated Cost to Fix: $150 - $500+ depending on the cause of the drain.
  • Recalls: None Found

Exterior

• Adaptive Headlight Issues
  • Description/Symptoms: Adaptive headlights not functioning correctly, moving erratically, or displaying error messages.
  • Solution: Diagnose the headlight control module or the individual headlight units. Replacement or reprogramming may be required.
  • Estimated Cost to Fix: $500 - $2000+ per headlight unit.
  • Recalls: None Found

Interior

• Seat Motor Failures
  • Description/Symptoms: Power seats failing to adjust correctly or motors making unusual noises.
  • Solution: Replace the faulty seat motor or repair the wiring harness.
  • Estimated Cost to Fix: $300 - $1000+ per seat.
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Sunroof failing to open or close properly, getting stuck, or making excessive noise.
  • Solution: Inspect the sunroof tracks for debris or damage. Lubricate the tracks or replace damaged components (e.g., motor, gears).
  • Estimated Cost to Fix: $200 - $1200+
  • Recalls: None Found

Summary

The 2019 BMW 740i xDrive, while offering a luxurious driving experience, is subject to a range of potential issues. Engine and transmission problems such as oil leaks, coolant leaks, rough shifting and slipping can range from minor nuisances to costly repairs. Electrical issues and suspension problems can impact the vehicle’s functionality and comfort. While some repairs, like software updates, are relatively inexpensive, others like air suspension replacement or transmission overhauls can be significant expenses. Overall, owners should be prepared for potentially high maintenance costs associated with this model.