2014 BMW 428i

The 2014 BMW 428i is a popular luxury coupe, known for its sporty handling, stylish design, and relatively fuel-efficient engine. The 428i is equipped with a 2.0-liter turbocharged four-cylinder engine (N20). This engine produces 240 horsepower and 255 lb-ft of torque. A significant number of owners appreciate the car’s responsive steering, comfortable ride (especially with the adaptive suspension), and upscale interior. However, some common complaints include a somewhat cramped rear seat, the cost of maintenance and repairs, and the potential for certain engine and electrical issues. Other engine options for the 2014 4 series are the 435i, which is equipped with a 3.0L turbocharged Inline-6 engine that produces 300 horsepower and 300 lb-ft of torque. The transmission option for the 428i is an 8-speed automatic transmission.

Engine

2.0L Turbocharged Four-Cylinder (N20)

• Timing Chain Failure
  • Description/Symptoms: The timing chain can stretch or fail, leading to rough running, a check engine light, and potential engine damage if not addressed. A rattling noise upon startup is a common symptom.
  • Solution: Replacing the timing chain, tensioner, and guides.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found
• Oil Leaks (Valve Cover Gasket and Oil Filter Housing Gasket)
  • Description/Symptoms: Oil leaks are common around the valve cover gasket and the oil filter housing gasket. This can lead to oil consumption, low oil levels, and potential engine damage. Visible oil leaks on the engine are also common.
  • Solution: Replacing the valve cover gasket and/or oil filter housing gasket.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• Coolant Leaks (Water Pump and Coolant Hoses)
  • Description/Symptoms: Water pump failure or coolant hose leaks can cause overheating and potential engine damage.
  • Solution: Replacing the water pump and/or coolant hoses.
  • Estimated Cost to Fix: $500 - $1,200+
  • Recalls: None Found

Transmission

8-Speed Automatic

• Rough Shifting/Hesitation
  • Description/Symptoms: Some owners report experiencing rough shifting, hesitation, or delayed engagement, particularly at lower speeds. This can be related to the mechatronic unit or valve body.
  • Solution: In some cases, a software update may resolve the issue. More severe cases may require replacing or rebuilding the mechatronic unit or valve body.
  • Estimated Cost to Fix: $500 - $4,000+
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Premature battery drain is a somewhat common issue. This can be attributed to various factors, including parasitic draw from electrical components or a faulty battery.
  • Solution: Diagnosing the source of the parasitic draw and replacing the faulty component. Replacing the battery if it is failing.
  • Estimated Cost to Fix: $150 - $500+ (depending on the source of the drain)
  • Recalls: None Found
• iDrive System Issues
  • Description/Symptoms: Some owners report issues with the iDrive system, including screen freezing, system reboots, or connectivity problems.
  • Solution: A software update may resolve the issue. In some cases, replacing the iDrive module may be necessary.
  • Estimated Cost to Fix: $100 - $1,500+
  • Recalls: None Found

Suspension

• No Issues Found

Exterior

• Door Handle Issues
  • Description/Symptoms: Door handles can fail to open the door from the outside, or they do not electronically unlock.
  • Solution: Replace the door handle.
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: The sunroof may get stuck, squeak, or fail to open or close properly.
  • Solution: The sunroof can be realigned, lubricated, or the motor can be replaced
  • Estimated Cost to Fix: $100 - $800+
  • Recalls: None Found

Summary

The 2014 BMW 428i can be a rewarding vehicle to own, offering a balance of performance and luxury. However, potential buyers should be aware of the common issues, particularly with the N20 engine’s timing chain and potential oil leaks. Electrical issues and transmission quirks can also arise. Repair costs can be significant, reflecting the premium nature of the vehicle. Thoroughly inspecting the car’s service history and considering a pre-purchase inspection by a qualified BMW mechanic is recommended. The severity of the potential issues varies, but addressing them promptly can prevent more costly repairs down the line.