2021 Bmw M440i Problems

Severe Issues

Shopping for a used 2021 Bmw M440i? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Based on 3 real NHTSA owner complaints, with Engine Problems the most reported area.

Before you buy

This 2021 Bmw M440i has 3 NHTSA complaints — top issue: Engine Problems.

A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.

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3
Complaints
1
Crashes
1
Fires
2
Injuries
Fatalities
5
Recalls

2021 Bmw M440i Fuel Economy

✓ EPA Official Data

EPA-rated fuel economy across 2 2021 Bmw M440i trim configurations. The median figure is shown; range reflects all available trims.

23
MPG City
2223 range
31
MPG Hwy
3131 range
26
MPG Combined
2526 range
338
g CO₂/mile
Premium Gasoline
⚠️Costs $3,500 more than avg vehicle over 5 years

Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 2 trims analysed.

Quick Answer

Based on NHTSA complaint data, the 2021 Bmw M440i has 3 owner complaints, 1 crash-related complaints, and 5 recall campaigns on record. The most frequently reported component is Engine Problems. NHTSA reliability signal: Severe Issues.

2021 Bmw M440i — key reliability facts
Make
Bmw
Model
M440i
Model year
2021
NHTSA owner complaints
3
Crash-related complaints
1
Safety recall campaigns
5
Top reported component
Engine Problems
Reliability signal
Severe Issues
EPA MPG combined
26
EPA MPG city / highway
23 / 31
Fuel type
Premium Gasoline

Common problems

Most common 2021 Bmw M440i problems

Top owner-reported complaint areas and where they often appear.

#1
1
complaints

Engine Problems

Fires:1
#2
1
complaints

Brake System

Crash-related:1
Injuries:2
#3
1
complaints

Uncategorized Issues

Complaint patterns center on Engine Problems, Brake System, Uncategorized Issues. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.

Buyer verdict

Should you buy a used 2021 Bmw M440i?

The 2021 Bmw M440i shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase.

Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.

Pre-purchase

What to check before buying a used 2021 Bmw M440i

Inspection Focus

  • Run a VIN check on the specific vehicle you are considering
  • Verify all open recalls are completed at nhtsa.gov/recalls
  • Request service records for the most-reported complaint components
  • Have a certified mechanic inspect the vehicle before purchase

Before You Close the Deal

  • Run a VIN check on the specific vehicle you are considering
  • Verify all open recalls are completed at nhtsa.gov/recalls
  • Request service records for the most-reported complaint components
  • Have a certified mechanic inspect the vehicle before purchase

Check the exact car

Shortlist with model-year data. Decide with the exact VIN.

Before buying a used 2021 Bmw M440i, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.

Full breakdown

All 2021 Bmw M440i complaints by category

Every owner-reported complaint category filed with NHTSA for the 2021 Bmw M440i. Use this as a pre-purchase inspection checklist.

ComponentComplaintsCrashesFiresAvg MileageVolume
Engine Problems11
Brake System11
Uncategorized Issues1

Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.

In their words

Real owner complaints

Read what owners actually reported to NHTSA for the 2021 Bmw M440i. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Showing 3 most recent complaints

Engine Problems FireJun 17, 2025

The car basically blew up on the highway at rush hour. BMW knows of this issue with this model and has some of their other models under a recall for this very thing. I have a service action from BMW saying that the water pump assembly needs to be fixed before this very problem …

Brake System CrashJan 2, 2023

Vehicle brakes malfunctioned.

Uncategorized IssuesSep 29, 2021

Brought a New 2021BMW M440 only 5 months ago, garage kept, has less than 4,000 miles. I woke up with a 10” crack across windshield @ 6:30 am on 9/28/2021with popping sounds. Windshield was shown on camera the night prior with no damage and shows no apparent evidence of ever getti…

Source: NHTSA Complaints Database. Real owner reports for the 2021 Bmw M440i.

Safety recalls

2021 Bmw M440i recalls

5 campaigns

NHTSA recall campaigns for the 2021 Bmw M440i. 5 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.

Safety recall

SEAT BELTS

#21V554000SEAT BELTS21/07/2021
Safety recall

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

#20V761000ELECTRICAL SYSTEM:12V/24V/48V BATTERYSep 12, 2020
Safety recall

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

#21V096000BACK OVER PREVENTION: SENSING SYSTEM: CAMERA19/02/2021
Safety recall

AIR BAGS:SIDE/WINDOW:THORAX

#21V176000AIR BAGS:SIDE/WINDOW:THORAX15/03/2021
Safety recall

SEAT BELTS

#23V584000SEAT BELTS16/08/2023

Research more

Keep researching before you buy

Compare brands and categories, then check the exact car's history by VIN.

Questions

2021 Bmw M440i buying FAQ

Buyer-focused answers based on real NHTSA complaint and recall data for this model year.

Is the 2021 Bmw M440i reliable?

Severe Issues. NHTSA currently shows 3 owner complaints, 1 crash-related complaints, and 5 recall campaigns for this model year. The 2021 Bmw M440i shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.

What are the most common problems with the 2021 Bmw M440i?

#1: Engine Problems (1 complaints). #2: Brake System (1 complaints). #3: Uncategorized Issues (1 complaints)

At what mileage do problems start on the 2021 Bmw M440i?

Mileage data is not available or insufficient for this model year.

How safe is the 2021 Bmw M440i?

Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2021 Bmw M440i, NHTSA complaints include 1 crash-related reports and 1 fire reports out of 3 total complaints. 2 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.

Does the 2021 Bmw M440i have any recalls?

Yes. 5 NHTSA recall campaigns affect the 2021 Bmw M440i. A major recall area is SEAT BELTS. 5 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.

Should I buy a 2021 Bmw M440i?

The 2021 Bmw M440i shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Engine Problems during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.

Wider context: See the full Bmw M440i reliability report with year-by-year comparison.

Owner Reliability Rating

Rate the 2021 Bmw M440i based on your ownership experience.

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Ratings are based on owner experience and are separate from NHTSA data shown above.

Before you buy

Check the exact vehicle history before you buy

Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.