2011 BMW 740Li

Introduction:

The 2011 BMW 740Li is a luxury sedan, renowned for its combination of performance and comfort. Powered by a 4.4-liter V8 engine, it delivers 400 horsepower and 450 lb-ft of torque. The vehicle comes standard with an 8-speed automatic transmission. Owners generally appreciate the 740Li’s spacious interior, high-tech features, and responsive handling. However, it has been subject to various issues that have drawn some criticism.

Engine

4.4-liter V8 with 8-speed Automatic Transmission

• Intake Valve Carbon Buildup:
  • Description/Symptoms: Carbon deposits accumulate on intake valves, reducing engine efficiency and causing rough idle, hesitation, and reduced power output.
  • Solution: Remove and clean intake valves; potentially replace intake manifold.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found
• VANOS Solenoid Failure:
  • Description/Symptoms: Variable valve timing solenoids fail, causing engine performance issues, including rough idling, reduced power, and increased fuel consumption.
  • Solution: Replace faulty solenoids.
  • Estimated Cost to Fix: $500 - $800
  • Recalls: None Found
• Timing Chain Guide Failure:
  • Description/Symptoms: Timing chain guide wears prematurely, potentially causing engine failure. Warning signs include rattling noises from the engine.
  • Solution: Replace timing chain guide and related components.
  • Estimated Cost to Fix: $2,500 - $5,000+
  • Recalls: None Found

Transmission

8-speed Automatic Transmission

• Transmission Fluid Leak:
  • Description/Symptoms: Leak develops in transmission pan or lines, reducing fluid levels and potentially causing transmission damage.
  • Solution: Repair or replace leaking components.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• Transmission Control Module (TCM) Failure:
  • Description/Symptoms: TCM malfunctions, leading to erratic shifting, transmission slipping, or complete failure.
  • Solution: Replace TCM.
  • Estimated Cost to Fix: $1,200 - $2,000+
  • Recalls: None Found

Suspension

• Front Control Arm Bushing Failure:
  • Description/Symptoms: Control arm bushings wear prematurely, causing excessive tire wear, alignment issues, and a rough ride.
  • Solution: Replace control arm bushings.
  • Estimated Cost to Fix: $400 - $800
  • Recalls: None Found

Electrical

• Headlight Ballast Failure:
  • Description/Symptoms: Headlight ballast fails, causing headlights to flicker or fail completely.
  • Solution: Replace headlight ballast.
  • Estimated Cost to Fix: $500 - $1,000 per headlight
  • Recalls: None Found
• Battery Discharge:
  • Description/Symptoms: Battery fails to hold a charge or drains quickly, leading to starting problems.
  • Solution: Replace battery.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

Exterior

• Headlight Condensation:
  • Description/Symptoms: Condensation forms inside headlights, affecting visibility.
  • Solution: Replace headlights with updated version.
  • Estimated Cost to Fix: $1,000 - $2,000 per headlight
  • Recalls: Recalls 12V-406 and 12V-407

Interior

• iDrive System Malfunction:
  • Description/Symptoms: iDrive infotainment system freezes, crashes, or malfunctions.
  • Solution: Software update or replacement of iDrive components.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found

Summary:

The 2011 BMW 740Li has been subject to various issues, particularly with its engine. The most severe concerns involve the timing chain guide failure and VANOS solenoid failure, which can result in costly repairs. Electrical issues, such as battery discharge and headlight ballast failure, are also relatively common. While suspension and interior problems are less frequent, iDrive malfunctions and condensation in headlights have been reported. Overall, the potential cost of repairs can be significant, and it is recommended to factor this into ownership considerations.