2012 BMW 740i

Introduction:

The 2012 BMW 740i is a luxury sedan powered by a 3.0-liter N55 inline-six engine producing 320 horsepower and 330 lb-ft of torque. It is available with either a 6-speed manual transmission or an 8-speed automatic transmission. The 740i is praised for its comfortable ride, powerful engine, and luxurious interior, but it has received some criticism for its high price and complex infotainment system.

Engine:

• N55 3.0L Inline-Six

  • Fuel Injector Failure
    • Description/Symptoms: Misfires, rough idling, decreased fuel economy
    • Solution: Replace fuel injectors
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found
  • Turbocharger Failure
    • Description/Symptoms: Reduced power, smoke from engine, unusual noises
    • Solution: Replace turbocharger
    • Estimated Cost to Fix: $2,000 - $4,000+
    • Recalls: None Found
  • Timing Chain Tensioner Failure
    • Description/Symptoms: Noisy engine, rattling, reduced power
    • Solution: Replace timing chain tensioner
    • Estimated Cost to Fix: $1,500 - $2,500+
    • Recalls: None Found

Transmission:

• 6-Speed Manual

  • No Issues Found

• 8-Speed Automatic

  • Mechatronic Sleeve Wear
    • Description/Symptoms: Jerking or delayed shifting, transmission slipping
    • Solution: Replace mechatronic sleeve
    • Estimated Cost to Fix: $2,000 - $3,000+
    • Recalls: None Found

Suspension:

• No Issues Found

Electrical:

• Battery Discharge
  • Description/Symptoms: Difficulty starting, dead battery
  • Solution: Inspect electrical system for parasitic drain, replace battery if necessary
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Infotainment System Glitches
  • Description/Symptoms: Screen freezing, navigation errors, connectivity issues
  • Solution: Software updates, reset infotainment system
  • Estimated Cost to Fix: $0 - $1,000+
  • Recalls: None Found

Exterior:

• No Issues Found

Interior:

• iDrive Display Screen Flickering
  • Description/Symptoms: Display screen becomes blurry or unresponsive
  • Solution: Replace iDrive display screen
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Summary:

The 2012 BMW 740i has some potential issues to be aware of, particularly with the fuel injectors, turbocharger, and mechatronic sleeve in the transmission. However, many owners have reported positive experiences with the vehicle. The cost of potential repairs can be substantial, but the severity of the issues varies.