2020 BMW M240i

The 2020 BMW M240i is a compact performance coupe known for its engaging driving dynamics and potent engine. It’s offered in both rear-wheel drive and xDrive all-wheel drive configurations. The main engine option is the B58 3.0-liter turbocharged inline-six, producing 335 horsepower and 369 lb-ft of torque. Transmission options include an 8-speed automatic. Owners often praise the M240i for its strong acceleration, nimble handling, and relatively comfortable ride for a sports car. Common criticisms include the somewhat dated interior and the lack of a manual transmission option in later years.

Engine

B58 3.0L Turbocharged Inline-Six

• Oil Filter Housing/Cooler Gasket Leak
  • Description/Symptoms: Oil leaks from the oil filter housing or oil cooler area. Symptoms include visible oil leaks, low oil level, and burning oil smell.
  • Solution: Replace the oil filter housing gasket and/or the oil cooler gasket.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• VANOS Solenoid Issues
  • Description/Symptoms: Reduced engine performance, rough idle, engine stalling, and check engine light. Related DTC’s are usually VANOS related.
  • Solution: Replace the faulty VANOS solenoid.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Rough or Delayed Shifting
  • Description/Symptoms: The transmission exhibits rough shifting, delayed shifts, or hesitation when accelerating.
  • Solution: Perform a transmission fluid flush and replace the filter. If the problem persists, further diagnostics may be necessary, potentially requiring valve body repair or replacement or transmission replacement.
  • Estimated Cost to Fix: $400 - $5,000+
  • Recalls: None Found

Suspension

• No Issues Found

Electrical

• iDrive System Glitches
  • Description/Symptoms: The iDrive system may experience freezing, rebooting, or general unresponsiveness.
  • Solution: Software updates or replacement of the iDrive module.
  • Estimated Cost to Fix: $150 - $1,200+
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: The battery drains quickly, especially when the car is not in use.
  • Solution: Diagnose and repair any parasitic drain. This could involve checking the alternator, starter, or other electrical components.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Dashboard/Trim Rattles
  • Description/Symptoms: Rattling or squeaking noises coming from the dashboard or trim panels.
  • Solution: Tighten loose trim panels, apply felt tape to prevent friction, or replace damaged clips or fasteners.
  • Estimated Cost to Fix: $0 - $200+
  • Recalls: None Found

Summary

The 2020 BMW M240i appears to be a generally reliable vehicle, but it is not without potential issues. The most common complaints center around the engine (oil leaks, VANOS solenoid issues), transmission (rough shifting), electrical system (iDrive glitches, battery drain), and minor interior rattles. The severity of these issues ranges from minor inconveniences to potentially costly repairs. The cost of repairs varies depending on the specific issue and the extent of the damage. Regular maintenance and prompt attention to any warning signs can help mitigate the risk of major problems.