2015 BMW i3

The 2015 BMW i3 is a revolutionary electric vehicle with an optional range extender (REx) gasoline engine. The fully electric version delivers around 170 horsepower and 184 lb-ft of torque, offering brisk acceleration and a unique driving experience. The REx model adds a 647cc two-cylinder gasoline engine acting solely as a generator to extend the driving range. People generally appreciate the i3 for its quirky styling, nimble handling, and eco-friendly nature. Common dislikes include limited range (especially in earlier models), a firm ride, and some unusual interior materials.

Electric Motor

Electric Motor (All Trims)

• Reduced Battery Capacity/Range Loss
  • Description/Symptoms: Over time, the high-voltage battery can experience capacity degradation, leading to a reduction in the vehicle’s overall driving range. The driver might notice that the car covers fewer miles on a full charge than when it was new.
  • Solution: There’s no simple fix to restore battery capacity. Replacement of individual modules or the entire battery pack is the only permanent solution. BMW may offer replacement or repair options depending on warranty coverage.
  • Estimated Cost to Fix: Battery replacements can range from $8,000 - $15,000+, depending on the extent of the replacement.
  • Recalls: None Found

Range Extender (REx) Engine

647cc Two-Cylinder Range Extender

• Range Extender Engine Failure
  • Description/Symptoms: The range extender engine may fail due to various issues, including fuel pump failures, ignition problems, or sensor malfunctions. Symptoms may include the engine failing to start, rough running, or stalling.
  • Solution: Diagnosis and repair of the faulty component. This could involve replacing the fuel pump, ignition coil, sensors, or other affected parts.
  • Estimated Cost to Fix: $500 - $3,000+ depending on the failed component and labor costs.
  • Recalls: None Found
• Fuel Odor/Leak
  • Description/Symptoms: Some owners have reported a fuel odor emanating from the range extender engine or fuel system. In some cases, this may be accompanied by a fuel leak.
  • Solution: Inspection of the fuel lines, fuel tank, and fuel pump for leaks or damage. Replacement of faulty components as needed.
  • Estimated Cost to Fix: $100 - $1,000+ depending on the location and severity of the leak.
  • Recalls: None Found

Electrical

• 12V Battery Issues
  • Description/Symptoms: The i3 has a standard 12V battery that powers various systems. Failure of this battery can lead to a wide range of issues including the car not starting, error messages on the dash, and malfunctioning electronics.
  • Solution: Replacement of the 12V battery.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Charging Port Problems
  • Description/Symptoms: Problems with the charging port can prevent the car from charging properly. This may involve the port itself, the charging cable, or related sensors.
  • Solution: Diagnosis and repair or replacement of the faulty charging port component.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found

Suspension

• Premature Bushing Wear
  • Description/Symptoms: The bushings in the front and rear suspension components can wear prematurely. This can result in excessive play in the affected suspension joints and unusual noises.
  • Solution: Replacement of worn bushings with new ones. In some cases, replacing entire suspension components may be necessary.
  • Estimated Cost to Fix: $200 - $1,000+ depending on the location of the worn bushings and the extent of the repair needed.
  • Recalls: None Found

Exterior

• Tail Light Issues
  • Description/Symptoms: The LED tail lights on the 2015 i3 have been known to malfunction or fail prematurely. This can manifest as flickering, dimming, or complete failure of one or more of the tail light LEDs.
  • Solution: Replacement of the affected tail light assembly.
  • Estimated Cost to Fix: $300 - $800+ per tail light assembly, including parts and labor.
  • Recalls: None Found

Interior

• iDrive System Malfunctions
  • Description/Symptoms: The iDrive system can experience software glitches, screen freezes, or navigation issues.
  • Solution: Software updates, system resets, or replacement of the iDrive control unit.
  • Estimated Cost to Fix: $100 - $1,500+ depending on the issue and the need for parts replacement.
  • Recalls: None Found

Summary The 2015 BMW i3 presents a unique ownership experience with its electric powertrain and innovative design. However, like any vehicle, it is prone to specific issues. The most significant concerns revolve around the high-voltage battery capacity degradation and potential range extender engine issues (if equipped). Electrical problems, suspension wear, tail light malfunctions, and iDrive glitches can also occur. The cost of repairs can vary widely, with battery replacements being the most expensive. While the i3 offers an engaging driving experience and environmentally friendly operation, potential buyers should be aware of these common issues and budget accordingly for potential maintenance and repairs.