NHTSA ID Number: 11713345
Incident Date: 2025-12-19
Manufacturer's Name: BMW
of North America, LLC
Vehicle/Equipment Make: BMW
Vehicle/Equipment Model: 540I
Model Year: 2020
9999 If Unknown Or N/A
Vehicle Identification Number: WBAJS3C01LC
Vehicle Mileage At Failure:
Vehicle Speed: 55
Number Of Occurrences:
Was Vehicle Towed: No
Consumer Location: SIDNEY, OH
Summary of Complaint
Component: Engine Oil Pump (Plastic Internal Variant) Safety Risk: Sudden Loss of Motive Power / Engine Seizure Defect Description: The oil pump in the BMW B58 engine utilizes a plastic tensioning/adjusting ring that is prone to brittle fracture. At only 38,000 miles, my vehicle suffered a catastrophic internal pump failure, resulting in an immediate "Low Oil Pressure" warning and forced engine shutdown. Safety Hazard: Stalling at Speed: This defect causes an immediate loss of propulsion. If this occurs during highway merging or high-speed maneuvers, the driver faces an abrupt loss of power steering and braking assist, significantly increasing the risk of a high-speed rear-end collision. Imminent Seizure: Total oil pressure loss can lead to crankshaft seizure, potentially locking the drive wheels and causing a loss of vehicle control. Technical Evidence: BMW has released an updated part (P/N 11419895359) that replaces the plastic internals with a metal housing, acknowledging the original design is insufficient for the thermal loads of the engine. Post-repair inspection of my vehicle showed significant carbonized "soot" in the filter, indicating that the pump's underperformance caused localized overheating of the lubricant prior to the final failure. Request: NHTSA should open an investigation into the B58 oil pump (2019–2021 models) to determine the failure rate of the plastic-ring units. A safety recall is necessary to replace these units with the updated all-metal version before a high-speed seizure results in a fatality.
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Complaint 11713345 Documents
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CRASH: No
WAS VEHICLE INVOLVED IN A CRASH
FIRE: No
WAS VEHICLE INVOLVED IN A FIRE
INJURIES: 0
NUMBER OF PERSONS INJURED
DEATHS: 0
NUMBER OF FATALITIES
Was Medical Attention Required: No
Was Incident Reported To Police: No
Date Of Incident: 2025-12-19
(YYYY-MM-DD)
Date Added To File: 2026-01-26
(YYYY-MM-DD)
Date Complaint Received By NHTSA: 2026-01-26
(YYYY-MM-DD)
Date Purchased:
(YYYY-MM-DD)
Was Original Owner: No
Product Type: Vehicle
V = Vehicle T = Tires E = Equipment C = Child Restraint
Specific Component's Description: ENGINE
Anti-Lock Brakes: No
Cruise Control: No
Number Of Cylinders:
Drive Train Type:
[AWD, 4WD, FWD, RWD]
Fuel System:
FI = Fuel Injection TB = Turbo
Fuel Type:
BF = BiFuel CN = CNG/LPG DS = Diesel GS = Gas HR = HybridElectric
Vehicle Transmission Type [Auto, Man]:
(DOT) Department Of Transportation Tire Identifier:
Tire Size:
Location Of Tire:
FSW = Driver Side Front DSR = Driver Side Rear FTR = Passenger Side Front PSR = Passenger Side Rear SPR = Spare
Type Of Tire Failure:
BST = Blister BLW = Blowout TTL = Crack OFR = Out Of Round TSW = Puncture TTR = Road Hazard TSP = Tread Separation
Was Defective Tire Repaired:
Was Part Original Equipment:
Date Of Manufacture:
(YYYYMMDD)
Type Of Child Seat:
B = Booster C = Convertible I = Infant IN = Integrated TD = Toddler
Installation System:
A = Vehicle Safety Belt B = Latch System
Dealer's Name:
Dealer's Telephone Number:
Dealer's City:
Dealer's State:
Dealer's Zipcode:
SOURCE OF COMPLAINT CODE:
CAG = Consumer Action Group CON = Forwarded From A Congressional Office DP = Defect Petition,result Of A Defect Petition EVOQ = Hotline VOQ EWR = EARLY WARNING REPORTING INS = Insurance Company IVOQ = NHTSA Web Site LETR = Consumer Letter MAVQ = NHTSA Mobile APP MIVQ = NHTSA Mobile APP MVOQ = Optical Marked VOQ RC = Recall Complaint, Result Of A Recall Investigation RP = Recall Petition, Result Of A Recall Petition SVOQ = Portable Safety Complaint Form (PDF) VOQ = NHTSA Vehicle Owners Questionnaire
Incident State Code:
Vehicle Operator's Name:
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