What are the most common BMW i4 problems?
According to Au7o's analysis of 740+ owner reports, the 2022-2026 BMW i4 has 9 documented issues. The most frequently reported are: Drivetrain Malfunction / High Voltage System Shutdown, 12V Auxiliary Battery Drain, Heat Pump Malfunction in Cold Weather. Of these, 1 is rated critical and should be addressed promptly.
Is the BMW i4 reliable?
The 2022-2026 BMW i4 has 9 known issues documented across 740+ owner reports. 1 issue is rated critical: Drivetrain Malfunction / High Voltage System Shutdown. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common BMW i4 problems?
Repair costs for known BMW i4 issues range from $0 to $2,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Drivetrain Malfunction / High Voltage System Shutdown, typically costs $0-$2,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What year BMW i4 is the most reliable?
Reliability varies across model years of the BMW i4. Based on documented issues, problems 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 2022-2026 BMW i4 with 9 documented issues documented across 740+ owner reports.
What is the 2022-2025 BMW i4 Drivetrain Malfunction / High Voltage System Shutdown?
BMW i4 owners report sudden "Drivetrain Malfunction" warnings that can result in complete loss of drive power. The electric drive motor software may incorrectly detect a double-isolation fault condition, triggering a fail-safe mode that shuts down the HV system for 15-20 seconds. Repairs typically run $0-$2,000. Severity: high.
What is the 2022-2026 BMW i4 12V Auxiliary Battery Drain?
The BMW i4 can suffer from 12V auxiliary battery drain, similar to other BMW EVs. The issue is caused by various electronic modules failing to properly enter sleep mode after the car is parked, particularly the connectivity module and iDrive system. Cars with frequent OTA updates… Repairs typically run $0-$500. Severity: medium.
What is the 2022-2026 BMW i4 Heat Pump Malfunction in Cold Weather?
The i4's heat pump HVAC system can malfunction in cold temperatures below 20°F (-7°C), failing to provide adequate cabin heating and significantly impacting winter range. The heat pump may fail to switch modes properly or experience refrigerant pressure faults, forcing the car to… Repairs typically run $0-$2,000. Severity: medium.
What is the 2022-2025 BMW i4 12V Battery Drain - Sleep Mode Failure?
The BMW i4 uses a 60Ah AGM lead-acid 12V battery that powers all vehicle electronics and computers. A software bug can prevent the vehicle from entering proper sleep mode after parking, causing modules to remain active and drain the 12V battery. Exterior lamps may remain illumina… Repairs typically run $0-$800. Severity: medium.
What is the 2022-2025 BMW i4 iDrive 8 Software Bugs - Screen Crashes, Reboots & Freezing?
The BMW i4's iDrive 8 curved display system suffers from widespread software instability across all model years. The infotainment system randomly reboots while driving (blank screen for 15-30 seconds), locks up requiring manual power button reset, and experiences post-OTA update… Repairs typically run $0-$500. Severity: medium.
What is the 2022-2025 BMW i4 Heat Pump & Cold Weather Range Loss / Coolant Valve Leak?
The BMW i4's heat pump system is designed to improve winter range by 20-30 miles vs resistive heating alone, but the coolant changeover valve can develop leaks when temperatures drop below 19F (-7C). This TSB-documented issue can cause coolant loss and system malfunction. Even wh… Repairs typically run $0-$2,500. Severity: medium.
What is the 2022-2023 BMW i4 Pedestrian Warning Sound System Failure (AVAS)?
Certain 2022-2023 BMW i4 eDrive40 vehicles have a defect in the Acoustic Vehicle Alerting System (AVAS) where the artificial sound generator control unit fails during vehicle start-up and does not produce the required external pedestrian warning sound. This violates Federal Motor… Repairs typically run $0-$0. Severity: medium.
What is the 2022-2026 BMW i4 iDrive 8 Software and Infotainment Glitches?
The i4 was one of the first BMW models with iDrive 8, and early software versions suffer from various glitches including screen freezes, Bluetooth connectivity drops, navigation errors, and Apple CarPlay/Android Auto disconnections. OTA updates have improved stability but issues… Repairs typically run $0-$1,500. Severity: low.
What is the 2022-2025 BMW i4 Regenerative Braking Pedal Feel Complaints - Grabby/Aggressive?
BMW i4 owners consistently report that the brake pedal has an aggressive, grabby feel with an early bite point that jolts the vehicle. The i4 uses blended braking where regenerative braking engages first, and mechanical brakes only activate when additional stopping force is neede… Repairs typically run $0-$0. Severity: low.
