2020 BMW 740i

Introduction

The 2020 BMW 740i is a luxury sedan that offers an impressive blend of performance, comfort, and technology. It boasts a powerful engine, smooth transmission, and a spacious interior with a plethora of features. However, like all vehicles, it has also been prone to a few issues that owners have reported.

Engine

• B58 3.0L Twin-Turbocharged Inline-6 Engine
  • Timing chain failure: Premature wear or failure of the timing chain can lead to engine damage or even catastrophic failure. Symptoms may include rattling or ticking noises, reduced engine power, or difficulty starting the vehicle.
  • Solution: Replacing the timing chain and associated components.
  • Estimated Cost to Fix: $2,500 - $4,000+
  • Recalls: N52 Engine Timing Chain Guide Recall (10E094)
• B48 2.0L Twin-Turbocharged Inline-4 Engine (740i xDrive)
  • Oil consumption issues: Some owners have reported excessive oil consumption, requiring frequent top-ups. Symptoms may include low oil level warnings, reduced engine performance, or increased exhaust emissions.
  • Solution: BMW has issued a technical bulletin (TIB) recommending replacing the piston rings and valve seals to address the issue.
  • Estimated Cost to Fix: $2,000 - $3,000+
  • Recalls: None Found

Transmission

• 8-Speed Automatic Transmission (All Models)
  • Jerky or rough shifting: Owners have experienced intermittent or consistent issues with jerky or rough gear changes, especially during low-speed maneuvers. Symptoms may include hesitation, slipping, or shuddering during shifts.
  • Solution: Updating the transmission software or replacing the transmission control module (TCM).
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: N63 Transmission Control Module Reprogramming Recall (01V615)
• 10-Speed Automatic Transmission (740i xDrive)
  • Delayed engagement: Some owners have reported a delay between shifting gears, particularly into drive or reverse. Symptoms may include hesitation or a noticeable delay in vehicle response.
  • Solution: Updating the transmission software or replacing the transmission control module (TCM).
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Suspension

• Adaptive M Suspension (Optional)
  • Premature wear of front struts: Some owners have reported premature wear of the front suspension struts, leading to reduced ride comfort and handling issues. Symptoms may include excessive bouncing, noise, or a lowered ride height at the front of the vehicle.
  • Solution: Replacing the affected suspension struts.
  • Estimated Cost to Fix: $1,000 - $2,000+ per strut
  • Recalls: None Found
• Standard Suspension
  • No Issues Found

Electrical

• Battery drain: Some owners have experienced unexplained battery drain while the vehicle is parked. Symptoms may include a dead battery, difficulty starting the vehicle, or reduced electrical functionality.
  • Solution: Identifying and repairing the cause of the battery drain, such as faulty modules, electrical components, or accessories.
  • Estimated Cost to Fix: $500 - $2,000+ depending on the cause
  • Recalls: None Found
• iDrive system glitches: Occasional glitches or errors with the iDrive infotainment system have been reported by some owners. Symptoms may include screen freezing, navigation issues, or connectivity problems.
  • Solution: Updating the iDrive software or replacing the infotainment module.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Exterior

• Headlight condensation: Some owners have experienced moisture buildup inside the headlight assemblies, leading to reduced visibility or flickering lights.
  • Solution: Replacing the headlights or repairing the seals.
  • Estimated Cost to Fix: $500 - $1,500+ per headlight assembly
  • Recalls: None Found

Interior

• Climate control issues: Some owners have reported issues with the climate control system, such as inadequate cooling or heating, uneven temperature distribution, or noisy operation.
  • Solution: Servicing or repairing the climate control components, including the compressor, condenser, or actuators.
  • Estimated Cost to Fix: $500 - $1,500+ depending on the issue
  • Recalls: None Found
• Electrical issues: Occasional electrical faults, such as flickering lights, faulty switches, or malfunctioning electronic components, have been reported.
  • Solution: Identifying and repairing the faulty electrical components.
  • Estimated Cost to Fix: $100 - $1,000+ depending on the issue
  • Recalls: None Found

Summary

While the 2020 BMW 740i offers a luxurious and refined driving experience, owners have reported a few issues that vary in severity and cost. The most significant concerns include potential engine timing chain failure and excessive oil consumption, which require costly repairs. Transmission glitches and suspension issues have also been encountered, along with electrical and interior problems. These issues, however, do not appear to be widespread and may not affect all vehicles. It is important to consider the potential for repairs and maintenance costs when evaluating the purchase or ownership of this vehicle.