2017 BMW 440i

The 2017 BMW 440i is a popular choice for those seeking a sporty and luxurious driving experience. It’s available as a coupe, convertible, and Gran Coupe (four-door coupe). The most common engine is the B58 3.0-liter turbocharged inline-six, producing 320 horsepower and 330 lb-ft of torque. Other engine options include the B48 2.0-liter turbocharged inline-four (430i). Transmission options include a 6-speed manual or an 8-speed automatic. People generally praise the 440i for its powerful engine, responsive handling, and stylish design. Common dislikes include the somewhat firm ride, particularly on rough roads, and the relatively high cost of ownership, including maintenance and repairs.

Engine

B58 3.0L Turbocharged Inline-Six

• Oil Filter Housing Gasket Leak
  • Description/Symptoms: Oil leak, often noticed as a burning smell, oil spots under the car, and visible oil residue around the oil filter housing. The gasket between the oil filter housing and the engine block deteriorates over time due to heat cycling.
  • Solution: Replace the oil filter housing gasket.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant levels dropping, overheating, warning lights. Common leak points include the water pump, thermostat housing, and radiator hoses.
  • Solution: Identify the source of the leak and replace the affected components.
  • Estimated Cost to Fix: $200 - $1000+ (depending on the component)
  • Recalls: None Found

B48 2.0L Turbocharged Inline-Four

• Timing Chain Issues
  • Description/Symptoms: Rattling noise upon startup, especially when cold. The timing chain can stretch or the chain guides can fail, leading to potential engine damage.
  • Solution: Replace the timing chain, guides, and tensioner.
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found

Transmission

ZF 8HP 8-Speed Automatic

• Rough Shifting
  • Description/Symptoms: Harsh or jerky shifts, especially during downshifts or when accelerating.
  • Solution: Perform a transmission fluid flush, check valve body for damage, and replace mechatronics if necessary.
  • Estimated Cost to Fix: $300 (fluid flush) - $3000+ (mechatronics replacement)
  • Recalls: None Found
• Delayed Engagement
  • Description/Symptoms: A noticeable delay when shifting into drive or reverse.
  • Solution: Perform a transmission fluid flush, check valve body for damage, and replace mechatronics if necessary.
  • Estimated Cost to Fix: $300 (fluid flush) - $3000+ (mechatronics replacement)
  • Recalls: None Found

Suspension

• Control Arm Bushing Failure
  • Description/Symptoms: Clunking or rattling noises from the front suspension, especially over bumps. Worn control arm bushings can cause the car to feel loose or unstable.
  • Solution: Replace the worn control arm bushings or the entire control arm assembly.
  • Estimated Cost to Fix: $300 - $800+ per side
  • Recalls: None Found
• Strut/Shock Absorber Leaks
  • Description/Symptoms: Visible fluid leaks from the struts or shocks, bouncy ride, and reduced handling performance.
  • Solution: Replace the leaking struts or shocks.
  • Estimated Cost to Fix: $500 - $1200+ per axle
  • Recalls: None Found

Electrical

• Battery Drain Issues
  • Description/Symptoms: Car battery dies prematurely or requires frequent charging. Can be caused by parasitic drain from various electrical components.
  • Solution: Diagnose and repair the source of the parasitic drain. This may involve replacing a faulty module or repairing wiring.
  • Estimated Cost to Fix: $100 - $1000+ (depending on the source)
  • Recalls: None Found
• iDrive System Malfunctions
  • Description/Symptoms: Freezing, crashing, or unresponsive iDrive screen. Can also include Bluetooth connectivity issues.
  • Solution: Software update. Replacement of the iDrive Module may be required for severe issues.
  • Estimated Cost to Fix: $0 (Software Update) - $1500+ (Module Replacement)
  • Recalls: None Found

Exterior

• Door Handle Issues (Comfort Access)
  • Description/Symptoms: The Comfort Access system (keyless entry) may malfunction, causing difficulty locking or unlocking the doors. The door handle sensor can fail.
  • Solution: Replace the faulty door handle sensor.
  • Estimated Cost to Fix: $300 - $600+ per door handle
  • Recalls: None Found

Interior

• Dashboard Cracking
  • Description/Symptoms: Cracks appearing on the dashboard, particularly in areas exposed to direct sunlight.
  • Solution: Replacement of the dashboard.
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found
• Seat Heater Failure
  • Description/Symptoms: Seat heaters not working or only partially heating. The heating element can fail.
  • Solution: Replace the faulty seat heating element.
  • Estimated Cost to Fix: $300 - $800+ per seat
  • Recalls: None Found

Summary

The 2017 BMW 440i, while a desirable vehicle, can experience several common issues. Engine and transmission problems, such as oil leaks, timing chain issues (particularly for the 2.0L), and rough shifting, can be costly to repair. Suspension issues like control arm bushing failures and strut leaks can also impact ride quality and handling. Electrical gremlins like battery drain and iDrive malfunctions are also common complaints. While some fixes are relatively inexpensive, others, such as timing chain replacement or mechatronics repairs, can be quite costly, making preventative maintenance crucial. Overall, potential buyers should be aware of these potential issues and factor them into their budget when considering a used 2017 BMW 440i.