2024 BMW M240i

The 2024 BMW M240i is a performance-oriented coupe known for its blend of agility, power, and everyday usability. It comes standard with a turbocharged 3.0-liter inline-six engine, producing 382 horsepower and 369 lb-ft of torque, paired with an 8-speed automatic transmission. Drivers appreciate the M240i for its responsive handling, strong acceleration, and comfortable interior. Some common criticisms include the firm ride (especially on rough roads) and the somewhat muted exhaust note. Some people find the styling not as aggressive as a full-fledged M car. Here are some common issues and complaints reported by owners:

Engine

B58 3.0L Turbocharged Inline-Six

• Coolant Leaks
  • Description/Symptoms: Coolant leaks may occur from the thermostat housing or the expansion tank. Symptoms include a low coolant warning light, visible coolant pooling under the car, and an overheating engine.
  • Solution: Replacing the faulty thermostat housing or expansion tank.
  • Estimated Cost to Fix: $300 - $700+
  • Recalls: None Found
• Oil Filter Housing Gasket Leak
  • Description/Symptoms: Oil leak developing around the oil filter housing. Symptoms include visible oil leak on the engine, low oil light illuminating, and oil smell.
  • Solution: Replace the oil filter housing gasket.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Transmission

ZF 8HP 8-Speed Automatic

• Harsh Shifting/Jerking
  • Description/Symptoms: Some owners have reported harsh shifting or jerking, particularly during low-speed maneuvers or downshifts.
  • Solution: In some cases, a software update to the transmission control unit (TCU) can resolve the issue. In other cases, replacement of valve body.
  • Estimated Cost to Fix: $100 - $300 (Software Update); $1,500+ (Valve Body)
  • Recalls: None Found

Suspension

• Stiff Ride
  • Description/Symptoms: The M240i is known to have a stiff ride, especially when equipped with the optional adaptive suspension. This can be uncomfortable on rough roads or during long journeys.
  • Solution: Some owners have tried installing aftermarket springs or dampers to improve ride quality. Switching to non-runflat tires can also help.
  • Estimated Cost to Fix: $500 - $2000+ (depending on chosen parts)
  • Recalls: None Found

Electrical

• Infotainment System Glitches
  • Description/Symptoms: Intermittent issues with the iDrive infotainment system, such as screen freezes, unresponsive controls, or Bluetooth connectivity problems.
  • Solution: A software update may resolve the issue. In severe cases, the infotainment unit may need to be replaced.
  • Estimated Cost to Fix: $0 (Software Update); $1,000+ (Unit Replacement)
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Rattling/Buzzing Noises
  • Description/Symptoms: Some owners have reported rattling or buzzing noises coming from the dashboard or door panels.
  • Solution: Locating and isolating the source of the noise and applying damping material or tightening loose components.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Summary

The 2024 BMW M240i is a generally reliable vehicle, but some owners have reported issues with the engine (coolant and oil leaks), transmission (harsh shifting), suspension (stiff ride), electrical system (infotainment glitches), and interior (rattling noises). The severity and cost of these issues can vary, with some being relatively minor and inexpensive to fix, while others can be more significant and costly. Potential buyers should be aware of these potential issues and have the vehicle inspected by a qualified mechanic before purchase.