WBS53AZ04MCH316342021 BMW M4
2021 BMW M4 was analyzed across NHTSA recalls, owner complaints, crash test data, and public auction records. There are 2 open recalls on record — verify these have been repaired before purchase. 1 owner complaints have been filed with NHTSA — review the complaint section for the most common failure patterns.
Executive Summary
2021 BMW M4
2021 BMW M4 was analyzed across NHTSA recalls, owner complaints, crash test data, and public auction records. There are 2 open recalls on record — verify these have been repaired before purchase. 1 owner complaints have been filed with NHTSA — review the complaint section for the most common failure patterns.
- 2 open recalls — verify these have been repaired before purchase
- Component failure cascade detected — a known defect pattern that typically leads to more severe downstream damage
1 owner complaints filed — top areas: Brakes (100%).
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
- M4
- Year
- 2021
- Trim / Series
- 4-Series
- Body Style
- Coupe
- Vehicle Type
- PASSENGER CAR
- Fuel Type
- Gasoline
- Engine
- 6-cyl 2.9922778864L 473 hp
- Transmission
- Automatic
- Doors
- 2
- Manufacturer
- BMW M GMBH
- Assembly
- DINGOLFING, GERMANY
- GVWR
- Class 1: 6,000 lb or less (2,722 kg or less)
Assembly Plant Quality
Plant: DINGOLFING, GERMANY
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
- ▸Brake system recall
- ⚠Safety system appears in both official recalls and owner complaints
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
NHTSA Safety Recalls
2 RECALLSNHTSA VIN-specific recall lookup returned no data for this VIN. The 2 recalls below are model-wide and may or may not apply to this exact vehicle depending on production date. Verify at nhtsa.gov/recalls.
Average repair completion across 2 recalls is ~68%. Always ask the seller for dealer service records confirming each repair.
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
SEAT BELTS
SummaryBMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competition Coupe, BMW 4 Series Convertible (430i, M440i), BMW X1 sDrive28i, xDrive28i, 2 Series Gran Coupe (228i, 228i xDrive, M235i xDrive), M2 Competition Coupe, 330i, 330i xDrive, M340i, M340i xDrive, M3, M3 Competition, 530i, 530i xDrive, 540i, 540i xDrive, MINI Hardtop 2 Door (Cooper, CooperS, JCW), X2 sDrive28i, X2 xDrive28i, X2 M35i, Z4 sDrive30i, Z4 M40i, MINI Hardtop 2 Door (Cooper SE), MINI Convertible (Cooper, Cooper S, JCW), MINI Clubman (Cooper S, Cooper S All4, JCW), MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), Rolls Royce Ghost, MINI Countryman (Cooper S E All4), Rolls Royce Phantom, Rolls Royce Cullinan, and Toyota Supra vehicles. The passenger seat belt Automatic Locking Retractor (ALR) may deactivate early, before the webbing fully retracts. As such, these assemblies fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."Read full details...
~37% chance this recall was never fixed
Moderate RiskSource: NHTSA statistical model by recall age & component type
SERVICE BRAKES, HYDRAULIC
SummaryBMW of North America, LLC (BMW) is recalling certain 2020-2021 8 Series Coupe, Grand Coupe and convertible 840i, 840i xDrive, M850i xDrive, M8 and 740 Li, 740 Li xDrive, 750 Li xDrive, M760 Li xDrive, X6 sDrive40i, X6 xDrive40i, X6 xdrive50i, X6 M50i, X6M, and 2019-2021 X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5 M50i, X5M, X7 xDrive40i, X7 xDrive50i, X7 M50i, and 2021 M3, M3 Competition, M4 Coupe, M4 Competition Coupe, X5 xDrive45e, 745 Le xDrive. The rotor and shaft within the integrated brake system may not have been welded properly and could separate during a hard braking event, possibly resulting in a loss of the Antilock Brake System (ABS) and braking assistance.Read full details...
~27% chance this recall was never fixed
Moderate RiskSource: NHTSA statistical model by recall age & component type
Recall Intelligence
Detailed analysis of recall history and severity
Complaint Intelligence
1 complaints analyzed across 1 system categories
Owner Complaints
1 safety complaint filed with NHTSA
Vehicle brake very very loudly. BMw claims this is normal, this is not true. Vehicle has extremely low miles and performs bad when braking.
Component Failure Cascade Risk
Known patterns where one defect leads to more severe downstream failures
▸ Head gasket failure and engine overheating — EGR cooler failure is the leading cause of catastrophic engine failure on diesel engines
▸ Loss of brake assist and ABS in emergency — can significantly extend stopping distances
Legal & Regulatory Actions
Known class action lawsuits, settlements, and manufacturer extended warranty programs
5-Year Total Cost of Ownership
Estimated based on EPA fuel data, risk-adjusted maintenance, and depreciation
Estimated 5-year cost of ownership: $30,084 (~$501/mo). Repair risk buffer is standard due to vehicle risk profile.
Negotiation Ammunition
Use these data-backed findings to negotiate the price down
Pre-Purchase Inspection Checklist
Tailored for the 2021 BMW M4 — 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
5% baseline recall probability — no strong indicators of an imminent recall.
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 WBS53AZ04MCH31634. 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 | WBS53AZ04MCH31634 |
| Model Year | 2021 |
| Make | BMW |
| Model | M4 |
| Series | 4-Series |
| Vehicle Type | PASSENGER CAR |
Body & Configuration
| Body Style | Coupe |
| Doors | 2 |
| Seat Rows | 4 |
| Fuel Type | Gasoline |
| Transmission | Automatic |
Engine
| Engine Cylinders | 6 |
| Displacement (L) | 2.9922778864 |
| Horsepower | 473 |
Manufacturer
| Manufacturer | BMW M GMBH |
| Assembly City | DINGOLFING |
| Assembly Country | GERMANY |
VIN Structure
| WMI (Chars 1–3) | WBS |
| Check Digit (Char 9) | 4 |
| Model Year Code (Char 10) | M |
| Plant Code (Char 11) | C |
| Sequence (Chars 12–17) | H31634 |
Safety Data
| NHTSA Recall Count | 2 |
| NHTSA Complaint Count | 1 |
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: 8/4/2026, 1:23:53 AM.