2006 BMW 120i

The 2006 BMW 120i is a compact car available with a 2.0 liter naturally aspirated inline-4 engine producing 150 horsepower and 155 lb-ft of torque paired to a 6-speed manual transmission. The 120i is praised for its agile handling, comfortable ride, and responsive steering. However, it has also been criticized for its lack of power and premium pricing.

Engine

• N46B20 (2.0L inline-4)
  • Valvetrain Noise
    • Description/Symptoms: Excessive noise from the valvetrain, particularly at high RPMs.
    • Solution: Replace the hydraulic lifters.
    • Estimated Cost to Fix: $1000 - $1500+
    • Recalls: None Found
  • Oil Filter Housing Gasket Leak
    • Description/Symptoms: Leaking oil from the oil filter housing gasket.
    • Solution: Replace the oil filter housing gasket.
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found

Transmission

• 6-Speed Manual
  • Gearbox Noise
    • Description/Symptoms: Grinding or whining noises when shifting gears.
    • Solution: Replace the gearbox bearings.
    • Estimated Cost to Fix: $1200 - $2000+
    • Recalls: None Found

Suspension

• Front Control Arm Bushings
  • Description/Symptoms: Worn or torn control arm bushings, causing clunking or rattling noises over bumps.
  • Solution: Replace the control arm bushings.
  • Estimated Cost to Fix: $500 - $800+
  • Recalls: None Found

Electrical

• Battery Discharge
  • Description/Symptoms: Battery draining prematurely or failing to hold a charge.
  • Solution: Test and replace the battery or alternator.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Exterior

• Headlight Condensation
  • Description/Symptoms: Moisture buildup inside the headlight housings.
  • Solution: Replace the headlight seals.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Door Lock Actuator Failure
  • Description/Symptoms: Door locks failing to operate or becoming inoperable.
  • Solution: Replace the door lock actuators.
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found

Interior

• Sunroof Drains Clogged
  • Description/Symptoms: Water leaking into the cabin from clogged sunroof drains.
  • Solution: Clean or replace the sunroof drains.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
  • Updated Sunroof Drains: $150 - $200+

Summary

The 2006 BMW 120i has a few common issues, but they are generally not severe or costly to fix. The most significant concerns are the valvetrain noise and gearbox noise, which can both be expensive to repair. However, the 120i’s strengths, such as its handling and ride comfort, still make it a compelling choice for those seeking a compact sports sedan. Maintenance costs for the 120i are typically in line with other vehicles in its class.