5UX2V5C06M9G426502021 BMW X4M40i
Executive Summary
2021 BMW X4 was analyzed across NHTSA recalls, owner complaints, crash test data, and public auction records. There are 7 open recalls on record — these are safety-critical and should be addressed immediately. 6 owner complaints have been filed with NHTSA — review the complaint section for the most common failure patterns.
- ▸7 open recalls including safety-critical systems (Fire risk — park outdoors recall; Fuel system recall)
- ▸Complaint rate is accelerating — issues appear to be getting worse, not better
- ▸Vehicle may qualify for lemon law protection based on recall and complaint pattern — consult an attorney
No auction records available. Title brand status could not be verified — request title history from seller or state DMV.
- Make
- BMW
- Model
- X4
- Year
- 2021
- Trim / Series
- M40i
- Body Style
- Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV)
- Vehicle Type
- MULTIPURPOSE PASSENGER VEHICLE (MPV)
- Drive Type
- AWD/All-Wheel Drive
- Fuel Type
- Gasoline
- Engine
- 6-cyl 2.9791682352L 382 hp
- Transmission
- Automatic
- Doors
- 4
- Manufacturer
- BMW MANUFACTURER CORPORATION / BMW NORTH AMERICA
- Assembly
- GREER, SOUTH CAROLINA, UNITED STATES (USA)
- GVWR
- Class 1D: 5,001 - 6,000 lb (2,268 - 2,722 kg)
- Base MSRP
- $61,700
No specific quality data available for this plant. No documented recall or complaint concentrations on record.
- ▸Fire risk — park outdoors recall
- ▸Fuel system recall
- ▸Engine recall
- ▸1 recall(s) involve fire or ignition risk
- ▸1 fuel system recall(s) — potential ignition risk
- ⚠2 recalls on same component: Electrical
Lemon law eligibility depends on state law, number of repair attempts, and days out of service. Consult an attorney for actual eligibility.
The same components appear in both official NHTSA recalls and owner-filed complaints — a double-confirmed failure signal.
Water pump failure causes rapid overheating. If the engine overheats even once, head gasket damage is likely — turning a $400 part into a $3,000+ repair.
Degraded transmission fluid destroys clutch packs and solenoids. CVT transmissions are especially sensitive — neglected fluid can result in a $4,000–$8,000 replacement.
On 4WD/AWD vehicles, neglected differential or transfer case fluid causes metal-on-metal wear. Replacement costs $1,500–$4,000.
Degraded coolant loses corrosion inhibitors and attacks aluminum engine components. Can cause head gasket failure and water pump corrosion.
Worn spark plugs cause misfires that can foul and crack catalytic converters. A $150 tune-up can prevent a $1,200 catalytic converter replacement.
NHTSA VIN-specific recall lookup returned no data for this VIN. The 7 recalls below are model-wide and may or may not apply to this exact vehicle depending on production date. Verify at nhtsa.gov/recalls.
2 of 7 recalls have a low industry completion rate — statistically likely unrepaired.
Statistical model based on recall age, component type, and manufacturer. Not a repair confirmation. Demand dealer service records.
BMW completes recalls at a good rate (91%), averaging about 16 months to remedy. Most affected vehicles are fixed.
Avg time to remedy open recall: ~16 months · Source: NHTSA Recall Completion Rate Reports
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
SummaryBMW of North America, LLC (BMW) is recalling certain 2020-2021 X3 sDrive 30i, X3 xDrive 30i, X3M 40i, X3 xDrive 30e, X4 xDrive 30i, X4M 40i, 530i, 540i, 540i xDrive, M550i xDrive, M5, 550e, 550e xDrive, and 550e iPerformance vehicles. A small portion of the rearview image may be slightly obscured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."Read full details...
~31% chance this recall was never fixed
Moderate RiskSource: NHTSA statistical model by recall age & component type
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
SummaryBMW of North America, LLC (BMW) is recalling certain 2019-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, X4 xDrive30i, X4 M40i, M550i, X4M, X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5M, X5 M50i, X7 xDrive40i, X7 xDrive50i, X7 M50i, Alpina XB7, 330i, 330i xDrive, M340i, M340i xDrive, and 8 Series Coupe, Convertible and Grand Coupe, 840i, 840i xDrive, M850i xDrive, M8, 2020-2021 530e, 530e xDrive, 330e, 330e xDrive, 745Le, 745Le xDrive, X5 xDrive45e, X3 xDrive30e, X6 sDrive40i, X6 xDrive40i, X6 xDrive50i, X6 M50i, X6M, 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 740i, 740Li, 740Li xDrive, M760i Drive, M760Li xDrive, 750Li xDrive Alpina, Alpina B7 xDrive, and 2021 4 Series Coupe 430i, 430i xDrive, M440i xDrive vehicles.
When shifting into Reverse, a small portion of the rearview image may be obscured, or the screen may not illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."Read full details...
~31% chance this recall was never fixed
Moderate RiskSource: NHTSA statistical model by recall age & component type
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
SummaryBMW of North America, LLC (BMW) is recalling certain 2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, and X4, and 2021 X4 xDrive30i vehicles. The inlet check valve weld may fail, allowing the filling pipe to separate from the fuel tank.Read full details...
~26% chance this recall was never fixed
Moderate RiskSource: NHTSA statistical model by recall age & component type
ENGINE
SummaryBMW of North America, LLC (BMW) is recalling certain 2020 M340i, M340i xDrive, 540i, 540i xDrive, X3 M40i, 2020-2021 X4 M40i, 745Le xDrive, 2019-2021 Z4 M40i, and 2020-2021 Toyota Supra vehicles. During engine start, the engine management software may cause loss of braking assist. Full mechanical braking (without assist) remains available.Read full details...
~26% chance this recall was never fixed
Moderate RiskSource: NHTSA statistical model by recall age & component type
SEATS
SummaryBMW of North America, LLC (BMW) is recalling certain 2019-2021 330i, 330i xDrive, M340i xDrive, 2020-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, 2021 X3 xDrive30e, X4 xDrive30i, and X4M vehicles. The seat frame may not have been welded properly to the seat rails.Read full details...
~34% chance this recall was never fixed
Moderate RiskSource: NHTSA statistical model by recall age & component type
ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
SummaryBMW of North America, LLC (BMW) is recalling certain 2019-2021 BMW 330i, 2019-2022 BMW Z4, 2020-2022 BMW 530i, X3, X4, Toyota Supra, 2021-2022 BMW 430i, 430i Convertible, and 2022 BMW 230i vehicles. The engine starter relay may corrode, causing the relay to overheat and short circuit.Read full details...
~65% of these vehicles are statistically unrepaired
High RiskSource: NHTSA statistical model by recall age & component type
ELECTRICAL SYSTEM:STARTER ASSEMBLY
SummaryBMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine starter may overheat and catch fire due to wear on an internal component.Read full details...
~78% of these vehicles are statistically unrepaired
High RiskSource: NHTSA statistical model by recall age & component type
⚠ One or more recalls have been open for over 5 years — may never have been repaired on this vehicle.
100% of complaints about "ENGINE" were filed AFTER recall campaign 21V598000 (2021-02-08) — the recall remedy may not have fully resolved the issue.
Continuing complaints after a recall may indicate an inadequate fix, a new failure mode, or that many vehicles never had the recall performed. Verify recall completion status directly with NHTSA.
This vehicle shows 3 lemon law indicators. Eligibility depends on state law, number of repair attempts, and days out of service — consult a lemon law attorney.
⚠ Complaint rate is accelerating — issue may be getting worse
The blue line shows 6 total NHTSA complaints filed over 2 years, with the worst year being 2026 (5 complaints).
The amber reliability line is declining — recent years score around 85/100, lower than earlier in the vehicle's life. This pattern indicates issues are accumulating over time rather than being resolved, which is a concern for used buyers.
Estimates use EPA fuel economy data, AAA 2024 national averages for insurance and maintenance, and a standard depreciation curve. Actual costs vary by location, driving habits, and vehicle condition.
Estimated 5-year cost of ownership: $46,960 (~$783/mo). Repair risk buffer is standard due to vehicle risk profile.
Based on original MSRP of $61,700 with suv depreciation curve. Range reflects ±15% market variance. Actual value depends on condition, options, and local demand.
30% estimated recall probability — some indicators present but not alarming.
- ▸Accelerating complaint rate — increasing pressure on NHTSA to act
- ▸Multiple prior recalls — pattern of safety issues on this model
Maintenance intervals vary significantly by make, model, year, engine, and driving conditions. Always follow the manufacturer's official schedule — not generic industry estimates.
Tip: Request the seller's service records and compare against the manufacturer schedule. Missing intervals are a negotiation point.
Based on 2024 national avg ($2,011/yr full coverage). Individual rates vary by driver, location & insurer. Always compare 3+ quotes.
BMW has been fined $3M+ by NHTSA. Most recently in 2014: Failure to submit required Early Warning Reports to NHTSA.
Select your state to see what consumer protection laws, lemon law coverage, and title disclosure requirements apply to this vehicle purchase.
Vehicle Identity
| VIN | 5UX2V5C06M9G42650 |
| Model Year | 2021 |
| Make | BMW |
| Model | X4 |
| Trim | M40i |
| Vehicle Type | MULTIPURPOSE PASSENGER VEHICLE (MPV) |
Body & Configuration
| Body Style | Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV) |
| Doors | 4 |
| Seat Rows | 5 |
| Drive Type | AWD/All-Wheel Drive |
| Fuel Type | Gasoline |
| Transmission | Automatic |
Engine
| Engine Cylinders | 6 |
| Displacement (L) | 2.9791682352 |
| Horsepower | 382 |
Manufacturer
| Manufacturer | BMW MANUFACTURER CORPORATION / BMW NORTH AMERICA |
| Assembly City | GREER |
| Assembly Country | UNITED STATES (USA) |
VIN Structure
| WMI (Chars 1–3) | 5UX |
| Check Digit (Char 9) | 6 |
| Model Year Code (Char 10) | M |
| Plant Code (Char 11) | 9 |
| Sequence (Chars 12–17) | G42650 |
Safety Data
| NHTSA Recall Count | 7 |
| NHTSA Complaint Count | 6 |
Disclaimer: Data sourced from NHTSA public APIs and scraped auction listings. For informational purposes only. Not a substitute for a paid vehicle history report. Retrieved: 5/4/2026, 3:50:50 AM.