What are the most common BMW i3 problems?

According to Au7o's analysis of 1,150+ owner reports, the 2014-2021 BMW i3 has 11 documented issues. The most frequently reported are: Integrated Hydraulic Brake (IHB) Module Failure, 12V Auxiliary Battery Drain - All I01 Models, Electric A/C Compressor Catastrophic Failure ("Black Death") - All I01. Of these, 3 are rated critical and should be addressed promptly.

How much does it cost to fix common BMW i3 problems?

Repair costs for known BMW i3 issues range from $0 to $22,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Integrated Hydraulic Brake (IHB) Module Failure, typically costs $0-$4,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What year BMW i3 is the most reliable?

Reliability varies across model years of the BMW i3. Based on owner reports, issues are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2014-2021 BMW i3 with 11 documented issues from 1,150+ owner reports.

BMW i3 Problems: 11 Issues Every Owner Should Know

2014-2021 model years · 1,150+ owner reports · Updated April 2026

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According to Au7o's analysis of 1,150+ owner reports, the 2014-2021 BMW i3 has 11 documented known issues, with 3 rated critical. The most serious are Integrated Hydraulic Brake (IHB) Module Failure ($0-$4,000 repair), 12V Auxiliary Battery Drain - All I01 Models ($150-$400 repair) and Electric A/C Compressor Catastrophic Failure ("Black Death") - All I01 ($2,500-$22,000 repair). The most commonly reported issue is 12V Auxiliary Battery Parasitic Drain with 380 owner reports. Across all issues, repair costs range from $0 to $22,000. DIY maintenance guides at au7o.io.

BMW i3 Problems: 11 Issues Every Owner Should Know

All 11 Known Issues

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Frequently Asked Questions

What are the most common BMW i3 problems?

Is the BMW i3 reliable?

How much does it cost to fix common BMW i3 problems?

What year BMW i3 is the most reliable?