2018 BMW 120i

Introduction

The 2018 BMW 120i is a compact luxury hatchback powered by a 2.0-liter turbocharged inline-four engine that produces 192 horsepower and 203 lb-ft of torque. The 120i comes standard with rear-wheel drive and a six-speed manual transmission, while an eight-speed automatic transmission is available as an option.

Owners praise the 120i for its engaging driving dynamics, premium interior, and impressive fuel efficiency. However, it is not without its flaws, as some owners have reported issues with various components.

Engine

2.0L Turbocharged Inline-Four Engine

• Engine Misfiring
  • Description/Symptoms: Sudden loss of power, engine shaking, and rough idling
  • Solution: Replace ignition coils or spark plugs
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Loss of power, increased oil consumption, and whistling noises from the engine bay
  • Solution: Replace turbocharger
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Transmission

Six-Speed Manual Transmission

• Difficulty Shifting Gears
  • Description/Symptoms: Grinding noises or resistance when shifting gears
  • Solution: Replace clutch or transmission fluid
  • Estimated Cost to Fix: $600 - $1,500+
  • Recalls: None Found

Eight-Speed Automatic Transmission

• Transmission Hesitations or Delays
  • Description/Symptoms: Transmission slips gears, fails to engage, or responds slowly to inputs
  • Solution: Update transmission software or replace transmission mechatronics unit
  • Estimated Cost to Fix: $1,000 - $2,500+
  • Recalls: None Found
• Transmission Fluid Leaks
  • Description/Symptoms: Fluid leaking from transmission pan or lines
  • Solution: Replace seals or gaskets
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Suspension

• Front Suspension Rattling
  • Description/Symptoms: Noises coming from front suspension, particularly over bumps or uneven roads
  • Solution: Replace suspension components (e.g., struts, control arms, ball joints)
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Vehicle fails to start or experiences rapid battery discharge
  • Solution: Diagnose electrical system and replace any faulty components (e.g., battery, alternator, wiring harness)
  • Estimated Cost to Fix: $200 - $1,000+
  • Recalls: None Found
• Electrical Malfunctions
  • Description/Symptoms: Random warning lights, flickering lights, or issues with electronic components (e.g., radio, navigation system, climate control)
  • Solution: Diagnose and repair electrical system problems
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Exterior

• Headlight Condensation
  • Description/Symptoms: Moisture buildup inside headlights
  • Solution: Replace headlight housings or seals
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• Door Lock Failure
  • Description/Symptoms: Doors fail to lock or unlock properly
  • Solution: Replace door lock actuators or switches
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Interior

• Dashboard Squeaks or Rattle
  • Description/Symptoms: Noises coming from the dashboard or interior panels
  • Solution: Tighten or replace loose panels or components
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found

Summary

The 2018 BMW 120i is a fun and sporty vehicle, but it is not without its issues. Some of the problems owners have experienced include engine misfiring, turbocharger failure, transmission hesitations, suspension rattles, electrical malfunctions, and exterior issues. The severity of the issues can vary, and the cost of repairs can be expensive. It is important for owners to stay informed about potential problems and have their vehicles regularly inspected to prevent or address any issues early on.