2017 BMW M240i

The 2017 BMW M240i is a popular compact performance car known for its blend of agility, power, and everyday usability. It came equipped with the B58 3.0L turbocharged inline-6 engine, producing 335 horsepower and 369 lb-ft of torque. Transmission options included a 6-speed manual and an 8-speed automatic (ZF 8HP50). Many owners praise the M240i for its potent engine, sharp handling, and relatively comfortable ride for a performance vehicle. Common complaints often revolve around the stiff suspension, limited rear seat space, and potential maintenance costs associated with a performance-oriented BMW. This model is known for blending a sporty driving experience with some practicality, though compromises are made in ride comfort and rear passenger space.

Engine

B58 3.0L Turbocharged Inline-6

• Oil Filter Housing Gasket Leak
  • Description/Symptoms: Oil leak is coming from the oil filter housing. You might find oil on the engine or see the oil level dropping. Burning oil smell can be present.
  • Solution: Replace the oil filter housing gasket.
  • Estimated Cost to Fix: $250 - $500+
  • Recalls: None Found
• Coolant Leaks (Water Pump/Thermostat Housing)
  • Description/Symptoms: Coolant leaks can occur from the water pump or thermostat housing. Symptoms include low coolant levels, overheating, and visible coolant puddles.
  • Solution: Replace the faulty water pump and/or thermostat housing, including gaskets and seals.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found

Transmission

ZF 8HP50 8-Speed Automatic

• Rough Shifting/Hesitation
  • Description/Symptoms: Some owners have reported rough shifting, hesitation, or occasional “clunking” during gear changes, especially at lower speeds. This can be attributed to the transmission’s adaptive learning, or issues with the valve body.
  • Solution: A software update of the transmission control unit (TCU) or, in more severe cases, replacement of the valve body.
  • Estimated Cost to Fix: $200 (Software Update) / $1500 - $3000+ (Valve Body Replacement)
  • Recalls: None Found

6-Speed Manual

• No Issues Found

Suspension

• Cracked Suspension Components
  • Description/Symptoms: Cracked coil springs, control arms, or sway bar end links. Symptoms include clunking noises from the suspension, uneven tire wear, and poor handling.
  • Solution: Replace the damaged suspension components.
  • Estimated Cost to Fix: $200-$600+ per component, depending on the part.
  • Recalls: None Found

Electrical

• iDrive System Malfunctions
  • Description/Symptoms: The iDrive infotainment system can experience glitches, freezing, or complete failure.
  • Solution: Software updates, or, in more severe cases, replacement of the iDrive control unit.
  • Estimated Cost to Fix: $150 - $300 (Software Update) / $1000+ (Control Unit Replacement)
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: The battery may drain quickly, especially if the car is not driven frequently. This can be caused by a parasitic draw from various electrical components.
  • Solution: Diagnose the source of the parasitic draw and repair or replace the faulty component.
  • Estimated Cost to Fix: $100 - $500+, depending on the complexity of the issue.
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Rattling Noises
  • Description/Symptoms: Rattling noises from the dashboard, door panels, or rear deck can be a common annoyance.
  • Solution: Tighten loose panels or add sound-deadening material to reduce vibrations.
  • Estimated Cost to Fix: $50 - $300+, depending on the location and complexity.
  • Recalls: None Found

Summary

The 2017 BMW M240i is a generally reliable performance car, but it is not without its potential issues. Engine-related problems, such as oil leaks and coolant leaks, can be costly to repair. The ZF 8-speed transmission may exhibit rough shifting issues that can be addressed with software updates or valve body replacements. Electrical issues with the iDrive system and battery drain are also potential concerns. While not as common, suspension component failures and interior rattles can add to the maintenance costs. Overall, prospective buyers should be aware of these potential issues and factor in the cost of repairs and maintenance when considering this vehicle. The severity of the issues ranges from minor inconveniences to potentially expensive repairs, so a thorough inspection before purchase is highly recommended.