2018 BMW i3s

The 2018 BMW i3s is a quirky and innovative electric hatchback known for its distinctive styling and focus on sustainability. It features a single electric motor producing 181 horsepower and 199 lb-ft of torque, providing brisk acceleration and a fun driving experience. The i3s offers a slightly sportier suspension setup and wider track compared to the standard i3, enhancing its handling. Some owners appreciate the i3s for its nimble handling, futuristic interior, and eco-friendly image. Conversely, others dislike its limited range (especially in earlier models), unconventional styling, and relatively high price point.

Electric Motor

Electric Motor - 181 hp

• Reduced Power/Turtle Mode
  • Description/Symptoms: The vehicle suddenly limits power output, entering “turtle mode.” This can be caused by various factors including a low 12v battery, issues with the high-voltage battery, or faults in the electric motor management system.
  • Solution: Diagnosis is required to pinpoint the root cause. Could be a low 12v battery needing replacement, high-voltage battery malfunction requiring repair or replacement, or electric motor management system fault needing repair or replacement of the system.
  • Estimated Cost to Fix: Diagnosis $150 - $300. 12v Battery $200 - $400. HV Battery $5,000 - $15,000+. Electric Motor Management $1,000 - $5,000+
  • Recalls: None Found

Suspension

• Premature Wear of Rear Tires
  • Description/Symptoms: The i3s, due to its unique tire sizes and suspension geometry, can experience uneven or premature wear on the rear tires. This is sometimes exacerbated by alignment issues or aggressive driving.
  • Solution: Regular tire rotations, proper inflation, and alignment checks are crucial. If wear is excessive, a four-wheel alignment is necessary.
  • Estimated Cost to Fix: Alignment $100 - $300. Rear Tires $300 - $600+
  • Recalls: None Found

Electrical

• 12V Battery Issues
  • Description/Symptoms: The i3, like many EVs, relies on a 12V battery to power auxiliary systems. If this battery fails or becomes weak, it can cause various issues including start-up problems, error messages, and reduced functionality of accessories (lights, radio, etc.).
  • Solution: Replacing the 12V battery with a new, properly spec’d battery is the typical solution.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found
• Charging Port Issues
  • Description/Symptoms: Some owners have reported issues with the charging port, including failure to recognize the charging cable, slow charging speeds, or complete charging failure. This can be caused by debris in the port, damaged pins, or a faulty charging module.
  • Solution: Start by visually inspecting the port for damage or debris. If necessary, cleaning the port or replacing the charging module may be required.
  • Estimated Cost to Fix: Cleaning $50 - $100. Charging Module Replacement $500 - $1500+
  • Recalls: None Found
• Random Error Messages/Glitches
  • Description/Symptoms: The i3, being a technologically advanced vehicle, can sometimes experience random error messages or glitches in the infotainment system. These can range from minor annoyances to more significant issues affecting vehicle functionality.
  • Solution: Software updates from BMW can often resolve these glitches. In some cases, a complete system reset or replacement of a faulty module may be necessary.
  • Estimated Cost to Fix: Software Update (dealer) $100 - $300. Module Replacement $500 - $2000+
  • Recalls: None Found

Interior

• Rattling Noises
  • Description/Symptoms: Owners have reported rattling noises emanating from various areas of the interior, including the dashboard, door panels, and rear hatch area. These rattles can be exacerbated by rough roads or temperature changes.
  • Solution: Identifying the source of the rattle is crucial. Common solutions include adding felt padding to loose trim pieces, tightening fasteners, or replacing worn clips.
  • Estimated Cost to Fix: $50 - $500+ (depending on severity and labor involved)
  • Recalls: None Found

Summary

The 2018 BMW i3s generally proves reliable, but potential owners should be aware of the common issues. Electrical issues, particularly with the 12V battery and charging port, can be frustrating. Suspension issues may cause uneven tire wear. Interior rattles are also noted complaints. The cost to rectify these issues ranges from relatively inexpensive fixes like cleaning a charging port to potentially expensive repairs such as high-voltage battery replacement. Pre-purchase inspections and service history review is advised.