2020 BMW 4 Series: recalls, fuel economy and safety ratings
EPA rates the 2020 BMW 4 Series at 21–27 mpg combined across 15 versions. NHTSA lists 1 safety recall and 5 owner complaints for this model year.
Safety recalls
1
EPA combined mpg
21–27
NHTSA overall rating
—
Recall file dated Oct 27, 2026 · EPA file dated Sep 29, 2026 · updated Oct 27, 2026, 7:34 AM EDT
NHTSA lists this vehicle as 430I, 440I.
Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a BMW dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.
2020 BMW 4 Series recalls
NHTSA's recall file lists 1 safety recall for the 2020 BMW 4 Series, newest first.
Air bags: Knee bolster
NHTSA 19V352000Reported May 9, 2019
Filed by
BMW of North America, LLC
Units affected
5,079 (estimate)
Problem
BMW of North America, LLC (BMW) is recalling certain 2019-2020 230i, 230i xDrive, M240i, M240i xDrive, M2 Competition Coupe, 430i, 430i xDrive, 440i, 440i xDrive, M4, and 2019 330i xDrive Sportswagon vehicles. The driver and passenger knee air bag assemblies may have been improperly folded and assembled.
Risk
An improperly folded and assembled air bag may not deploy as intended, increasing risk of injury.
Remedy
BMW will notify owners, and dealers will replace the knee air bag modules, free of charge. The recall began July 8, 2019. Owners may contact BMW customer service at 1-800-525-7417.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
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2020 BMW 4 Series fuel economy by version
EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.
Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.
EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.
2020 BMW 4 Series crash-test ratings
NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.
2020 BMW 4 Series NHTSA 5-Star Safety Ratings
Tested vehicle
Overall
Frontal
Side
Rollover
Rollover risk
Forward collision warning
2020 BMW 4 Series 2 DR AWD
Not rated
Not rated
Not rated
Not rated
—
Standard
2020 BMW 4 Series 2 DR RWD
Not rated
Not rated
Not rated
Not rated
—
Standard
2020 BMW 4 Series C AWD
Not rated
Not rated
Not rated
Not rated
—
Standard
2020 BMW 4 Series C RWD
Not rated
Not rated
Not rated
Not rated
—
Standard
2020 BMW 4 Series Gran 4 DR AWD
Not rated
Not rated
Not rated
Not rated
—
Standard
2020 BMW 4 Series Gran 4 DR RWD
Not rated
Not rated
Not rated
Not rated
—
Standard
Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.
Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.
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2020 BMW 4 Series owner complaints
Owners have filed 5 complaints with NHTSA about the 2020 BMW 4 Series, most recently on Jun 9, 2026. 1 mention a crash, 0 a fire, 3 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.
Most-cited components in 2020 BMW 4 Series complaints
Component named in complaints
Mentions
Air bags
1
Engine and engine cooling
1
Service brakes
1
Structure: Body
1
Unknown or other
1
Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.
