2020 BMW 520i

Introduction

The 2020 BMW 520i is a luxury sedan that offers a blend of performance, comfort, and technology. It is powered by a 2.0-liter turbocharged four-cylinder engine that produces 184 horsepower and 199 lb-ft of torque. The engine is paired with an eight-speed automatic transmission.

People who like the 520i appreciate its comfortable ride, spacious interior, and impressive fuel economy. However, some owners have reported issues with the vehicle’s engine, transmission, and other components.

Engine

• 2.0L Turbocharged Four-Cylinder
  • Timing Chain Tensioner Failure: The timing chain tensioner can fail prematurely, causing the timing chain to slip and result in engine damage. Symptoms include a rattling noise from the engine and a loss of power. The solution is to replace the timing chain tensioner. Estimated cost to fix: $2,000 - $3,000+
  • Fuel Injector Failure: The fuel injectors can fail, causing the engine to run rough and lose power. Symptoms include hesitation or stumbling during acceleration and a decrease in fuel economy. The solution is to replace the failed fuel injector(s). Estimated cost to fix: $500 - $1,000+
  • Turbocharger Failure: The turbocharger can fail, resulting in a loss of power and decreased fuel economy. Symptoms include a whistling or squealing noise from the engine and a lack of acceleration. The solution is to replace the turbocharger. Estimated cost to fix: $2,500 - $3,500+

Transmission

• 8-Speed Automatic
  • Transmission Control Module Failure: The transmission control module (TCM) can fail, causing the transmission to shift erratically or not at all. Symptoms include a lack of acceleration, difficulty shifting gears, and a transmission warning light on the dashboard. The solution is to replace the TCM. Estimated cost to fix: $1,500 - $2,500+
  • Solenoid Failure: The transmission solenoids can fail, causing the transmission to slip or refuse to shift into certain gears. Symptoms include hesitation or slipping during acceleration and a transmission warning light on the dashboard. The solution is to replace the failed solenoid(s). Estimated cost to fix: $500 - $1,500+

Suspension

• No Issues Found

Electrical

• Battery Discharge: The battery can discharge prematurely, leaving the vehicle unable to start. Symptoms include difficulty starting the vehicle or a dead battery. The solution is to replace the battery. Estimated cost to fix: $200 - $500+
• Alternator Failure: The alternator can fail, preventing the battery from being charged. Symptoms include a dim display or headlights, a battery warning light on the dashboard, and difficulty starting the vehicle. The solution is to replace the alternator. Estimated cost to fix: $500 - $1,000+

Exterior

• Headlight Condensation: Moisture can build up inside the headlights, causing condensation. Symptoms include visible condensation inside the headlight housing. The solution is to replace the headlight housing. Estimated cost to fix: $500 - $1,000+

Interior

• Instrument Cluster Failure: The instrument cluster can fail, resulting in a loss of display information. Symptoms include a blank or flickering instrument cluster. The solution is to replace the instrument cluster. Estimated cost to fix: $500 - $1,500+
• Seat Heater Failure: The seat heaters can fail, preventing the seats from heating up. Symptoms include a lack of heat from the seat heaters. The solution is to replace the seat heater element(s). Estimated cost to fix: $500 - $1,000+

Summary

The 2020 BMW 520i is a reliable vehicle overall, but some owners have reported issues with the engine, transmission, and other components. The severity of these issues can vary, and the cost of repairs can be significant. Potential buyers should be aware of these issues before purchasing a 520i.