Home · 2023 BMW I4 Gran Coupe Bev · Complaints

What 44 owners told NHTSA about the 2023 BMW I4 Gran Coupe Bev

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (44)Crash / fire / injury (9)Electrical system (18)Transmission & drivetrain (11)Brakes (7)Fuel system (6)Driver assistance (5)Engine (5)Speed control (3)Steering (3)Suspension (2)Airbags (1)

3 of 44 complaints match · Speed control · clear filters

Aug 26, 2023Speed controlCrash

Sudden acceleration when entering an open parking space, causing the car to hit two vehicles and causing extensive damage to my and the other vehicles. Safety of others would have been at risk as the accelerations was unintended and unexpected and if people were present they would have been in danger. The vehicle is currently at dealership for examination of unintended acceleration and accident. No warning of sudden acceleration nor any issue with car prior to accident. Air bags were not activated. Police contacted but since noninjury no report filed.

NHTSA ODI 11540956

Jun 7, 2023Electrical systemSpeed controlEngine

On 5/10/23 I was driving approximately 50 mph on a highway when my car slowed to 15 mph. I stepped on the accelerator and nothing happened. On the dash screen there was a warning which stated "drivetrain malfunction. Driving not possible. Call Roadside assistance". So I was stuck with a sudden deceleration on a busy highway and had to creep over 2 lanes to the shoulder and put the car in park. It would not restart. Myself and my child were in the vehicle. It is a miracle that we were not rear-ended. After calling roadside assistance, the car did turn back on and was driven to the dealer. The car spent 2.5 weeks at the dealer and they say a software update resolved the issue. This car was 4 weeks old when the incident occurred. It had approximately 300 miles on the vehicle.

NHTSA ODI 11525905

Mar 1, 2023Speed controlCrash

The contact owns a 2023 BMW I4. The contact stated while turning into a parking space, the vehicle experienced sudden unintended acceleration and crashed into a post and then into a wall. No warning lights were illuminated. The contact stated that there were no injuries sustained. A police report was not filed. The vehicle had not yet been taken to an independent mechanic or a local dealer to be diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 2,098.

NHTSA ODI 11509728

Working with the data? Download all 44 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2023 BMW I4 Gran Coupe Bev verdict →