2018 BMW 640i xDrive

Introduction

The 2018 BMW 640i xDrive is a luxurious and powerful grand tourer. It features a 3.0-liter turbocharged inline-six engine producing 335 horsepower and 330 lb-ft of torque, paired with an 8-speed automatic transmission. The car is praised for its smooth and refined ride, comfortable interior, and impressive performance. However, it has been subject to various issues reported by owners.

Engine

3.0-Liter Turbocharged Inline-Six

• Turbocharger Failure
  • Description/Symptoms: Loss of power, excessive oil consumption, loud whistling noise
  • Solution: Replacement of the turbocharger
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found
• Coolant Leak
  • Description/Symptoms: Loss of coolant, visible leak, overheating
  • Solution: Repair or replacement of the coolant components, such as the radiator or water pump
  • Estimated Cost to Fix: $500 - $1500+
  • Recalls: None Found

Transmission

8-Speed Automatic Transmission

• Shifting Issues
  • Description/Symptoms: Rough or delayed gear changes, slipping gears
  • Solution: Software update or transmission repair/replacement
  • Estimated Cost to Fix: $500 - $4000+
  • Recalls: None Found

Suspension

• Adaptive Suspension Failure
  • Description/Symptoms: Malfunctioning suspension, poor ride quality, uneven tire wear
  • Solution: Replacement of the adaptive suspension components
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found
• Strut Mount Failure
  • Description/Symptoms: Clunking or rattling noise when driving over bumps, uneven tire wear
  • Solution: Replacement of the strut mounts
  • Estimated Cost to Fix: $500 - $1200
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Difficulty starting the car, loss of electrical power
  • Solution: Diagnosis of the electrical system and repair/replacement of the battery or other affected components
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found
• Infotainment System Malfunction
  • Description/Symptoms: Freezing, unresponsive, or crashing of the infotainment system
  • Solution: Software update or replacement of the infotainment unit
  • Estimated Cost to Fix: $500 - $1500+
  • Recalls: None Found

Exterior

• Sunroof Leak
  • Description/Symptoms: Water leaking into the cabin through the sunroof
  • Solution: Adjustment or replacement of the sunroof seals
  • Estimated Cost to Fix: $200 - $600
  • Recalls: None Found

Interior

• Ambient Lighting Failure
  • Description/Symptoms: Malfunctioning ambient lighting, flickering or dim lights
  • Solution: Replacement of the LED or wiring components
  • Estimated Cost to Fix: $300 - $800
  • Recalls: None Found
• Climate Control Malfunction
  • Description/Symptoms: Failure of the climate control system to maintain desired temperature, excessive noise
  • Solution: Diagnosis and repair/replacement of affected components, such as the compressor or blower motor
  • Estimated Cost to Fix: $400 - $1200+
  • Recalls: None Found

Summary

The 2018 BMW 640i xDrive is a generally reliable vehicle but has been subject to a number of issues that can be costly to repair. The severity of the issues varies, with some being minor and easily resolved, while others can be more significant and require extensive repairs. Owners should be aware of these issues and consult with their trusted mechanic for regular inspections and maintenance to minimize potential problems and costs.