5UX2V5C06M9G426502021 BMW X4M40i
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.
Executive Summary
2021 BMW X4
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
6 owner complaints filed — top areas: Engine/Powertrain (33%), Safety Systems (33%), Other (17%).
Title Brand Check
Mined from auction damage fields and listing titles — not a DMV title history pull
No auction records available. Title brand status could not be verified — request title history from seller or state DMV.
Vehicle Specifications
Decoded from NHTSA vPIC database
- Make
- BMW
- Model
- X4
- Year
- 2021
- Trim / Series
- M40i
- Body Style
- Sport Utility Vehicle [SUV]/Multipurpose 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
Assembly Plant Quality
Plant: GREER, SOUTH CAROLINA
No specific quality data available for this plant. No documented recall or complaint concentrations on record.
Safety Intelligence
Composite analysis from NHTSA recall, complaint, and crash data
- ▸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.
Driver Assistance Features
ADAS equipment data from NHTSA vPIC database
Deferred Failure Risk
Components and defects approaching or past their known service milestones
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 Safety Recalls
7 RECALLSNHTSA 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
Recall Intelligence
Detailed analysis of recall history and severity
⚠ One or more recalls have been open for over 5 years — may never have been repaired on this vehicle.
Recall Remedy Effectiveness — Complaints Continue After Fix
RECALL DIDN'T FIX ITOwner complaints filed AFTER recall remedies were issued for the same components
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 Intelligence
6 complaints analyzed across 4 system categories
⚠ Complaint rate is accelerating — issue may be getting worse
Owner Complaints
HIGH VOLUME6 safety complaints filed with NHTSA
I am reporting a safety concern regarding BMW vehicles equipped with the B58 Technical Update (B58TU) engine, commonly found on models from 2019 to 2021. The oil pump in these vehicles is failing prematurely. I was told this by service technicians at BMW and confirmed it through my own research. The oil pump failure is due to a plastic adjusting ring breaking. The result is severe oil pressure loss and engine failure. This is uncommon for a vehicle that has 65k miles. The engine failure comes without warning; there are no check engine light warnings. The vehicle's engine just fails I discovered the oil pump failure when I found it unusual that I had to add oil twice over a 6-month period. I took it to the dealer, where they informed me of the issue. This is extremely dangerous, especially when an engine locks up at high speeds on a highway.
The contact owns a 2021 BMW X4. The contact received notification of NHTSA Campaign Number: 25V636000 (Electrical System). While the vehicle was in park(P), there were abnormal sounds coming from the engine. The contact stated that when the vehicle was shifted into drive(D) and the brake pedal was depressed, there was an abnormal sound coming from the front of the vehicle. The vehicle was taken to a dealer on several occasions, but the failure was not duplicated. The vehicle was then taken to an independent mechanic and was currently being diagnosed. The manufacturer was notified of the failure. The failure mileage was approximately 70,000.
Went to sit in driver rear seat and put on my seat belt and found it frayed apart. Thought this was od and tried the rear passenger side only to find the exact same thing. Took it to the dealer in Visalia, CA. They said that they have never seen anything like that before. After discovering that both belts were broken in the same spot, they concluded it must be caused by wear in the retracting mechanism, but because the car was out of manufacturer's warranty they could only sell me new ones. I believe this is a very serious safety issue because as they were starting to fray apart the belts may have not had enough strength to restrain someone during an accident. Glad this was discovered before that happened!
BOTH rear seat belts have broken off in the same spot. Went to use the driver's side rear seat belt and found it had been broken (frayed off). Moved to the passenger side and found the exact same thing. This could have been a bad situation if in an accident had occurred where they had not completely frayed but would have failed. Took it to my local dealer and they had no answers as to how this could have happened but suggesting that it most likely happened inside the recoil mechanism. They offered no other remedy other than to have me pay for replacement since the car was out of manufactory warranty,
transfer case AWD/xDrive system drivetrain components The dealer diagnosed a transfer case failure on the BMW X4 xDrive. Vehicle displayed drivetrain malfunction warning. Repair estimate exceeds $20,000. The vehicle has under 50,000 miles. The issue appears consistent with known xDrive transfer case complaints. The warning light came on on January 7, 2026, at approximately 6 pm.
What component or system failed or malfunctioned, and is it available for inspection upon request? - Suspension How was your safety or the safety of others put at risk? - Its giving head ache and body pain, driver & passengers are jumping / shaking / feeling very uncomfortable Has the problem been reproduced or confirmed by a dealer or independent service center? - Dealer mentioned all good, it designed this way Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? - yes by BMW Service center Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? - No The car's performance and handling is good, but the biggest concern is with suspension. Bad experience in the driver's seat and more bad in the passenger seat. I understand if the suspension is not performing in sport mode, but even in comfort mode the suspension is not even working 10%. Really frustrated and getting depressed. Why is it mentioned as comfort mode and not doing the intended job ? Why is the car being advertised and sold as it has Adaptive suspension ? really the car has suspension ? The car is wobbling / shaking and very rough even for very small bumps / uneven surfaces (the car is just falling into it). It gives a headache when driving on a speed breaker even at 5 MPH. I really feel like the car has no suspension. Mentioning and selling with comfort mode where it is not doing the intended job is definitely a defective and design flaw. I would not have purchased it if it does not has comfort mode. Its happening all the time and from 5 to 70 mile speed. Please help me on this.
Complaint & Reliability Timeline
Annual complaints (blue) vs. composite reliability score (amber) — recall years marked in red
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.
Legal & Regulatory Actions
Known class action lawsuits, settlements, and manufacturer extended warranty programs
5-Year Ownership Cost Estimate
Based on EPA fuel data, standard depreciation, and US average insurance/maintenance costs
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.
5-Year Total Cost of Ownership
Estimated based on EPA fuel data, risk-adjusted maintenance, and depreciation
Estimated 5-year cost of ownership: $46,960 (~$783/mo). Repair risk buffer is standard due to vehicle risk profile.
Estimated Market Value
Depreciation-based estimate from original MSRP
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.
Negotiation Ammunition
Use these data-backed findings to negotiate the price down
Pre-Purchase Inspection Checklist
Tailored for the 2021 BMW X4 — specific failure modes your mechanic must check, not a generic list
Recall Probability Forecast
Estimated likelihood of a new recall in the next 18 months based on NHTSA signals
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 Schedule
OEM-specified service intervals for this vehicle
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.
Auction History
Public sale records from Copart, IAAI, and auction aggregators
Searching Public Auction Records
Checking Copart, IAAI, BidFax, and other sources for 5UX2V5C06M9G42650. Results appear automatically when found.
Insurance Cost Estimate
Estimated annual premiums based on vehicle profile, theft data, and NHTSA safety ratings
Based on 2024 national avg ($2,011/yr full coverage). Individual rates vary by driver, location & insurer. Always compare 3+ quotes.
Manufacturer NHTSA Penalty History
Federal fines issued for recall delays and safety violations
BMW has been fined $3M+ by NHTSA. Most recently in 2014: Failure to submit required Early Warning Reports to NHTSA.
State-Specific Legal Protections
What consumer laws apply to this vehicle purchase in your state
Select your state to see what consumer protection laws, lemon law coverage, and title disclosure requirements apply to this vehicle purchase.
Complete Data Table
All decoded fields in a single flattened view
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]/Multipurpose 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 |
VIN Structure Decode
ISO 3779 character-by-character breakdown of this Vehicle Identification Number
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: 6/17/2026, 8:13:18 PM.