2021-2023 BMW X3, X4, M550i NVLD Warranty Extension

Why This Matters: Extended Warranty for EVAP System Leaks

BMW of North America, LLC (BMW NA) has announced a component-specific limited warranty extension for the Leak Diagnosis Module (NVLD) with hose assembly. This extension is crucial for owners of affected 2021-2023 BMW X3, X4, and M550i vehicles, as it covers potential defects in materials or workmanship that could lead to issues with the Evaporative Emission Control System (EVAP).

Over time, the material of the NVLD component may degrade, causing a fine leak in the EVAP system. Such a leak can trigger the Malfunction Indicator Lamp (MIL) to illuminate on your dashboard and store corresponding fault codes in the Digital Motor Electronics (DME) memory.

Symptoms of a Failing Leak Diagnosis Module (NVLD)

Owners of affected vehicles, including the 2022 BMW X3 manufacturer_communication, might notice the following symptoms if their Leak Diagnosis Module (NVLD) is failing:

• Illuminated Malfunction Indicator Lamp (MIL): This is commonly known as the "Check Engine" light.
• Stored Fault Codes: The vehicle's onboard diagnostic system (DME) will store specific fault codes related to an EVAP system leak. While no specific codes are listed in this communication, their presence indicates an issue.

These symptoms point to a potential leak in the Evaporative Emission Control System, which the NVLD is designed to monitor.

The Leak Diagnosis Module (NVLD)

The Leak Diagnosis Module (NVLD) is a critical component of your vehicle's Evaporative Emission Control System (EVAP). Its primary function is to detect very small leaks in the fuel tank and associated lines, preventing harmful fuel vapors from escaping into the atmosphere.

When the NVLD itself develops a material defect, it can incorrectly report a leak or fail to properly seal the system, leading to the symptoms described above. This warranty extension specifically addresses these types of material or workmanship defects in the NVLD.

Warranty Extension Details

The limited warranty for the Leak Diagnosis Module with hose assembly (NVLD) has been extended to 15 years or 150,000 miles, whichever comes first, as determined by the vehicle's original in-service date. This extension applies to defects in materials or workmanship.

For eligible Model Year 2017 BMW 530i Sedan and xDrive (B460) vehicles registered in California or states that have fully adopted California's PZEV/SULEV regulations (Connecticut, Maine, Maryland, Massachusetts, New Jersey, New York, Rhode Island, and Vermont), the standard component-related coverage for the NVLD is already 15 years or 150,000 miles. This warranty extension is subject to the same vehicle eligibility requirements, limitations, and exclusions as the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks.

What Owners Should Do

If you experience an illuminated Malfunction Indicator Lamp (MIL) or suspect an EVAP system issue in your 2021-2023 BMW X3, X4, or M550i, it is recommended to have your vehicle inspected by an authorized BMW service center. The 2022 BMW X3 manufacturer_communication indicates that this specific component is now covered under an extended warranty.

The service center can diagnose the issue by checking for stored fault codes in the DME memory and performing necessary tests on the EVAP system and NVLD. If the Leak Diagnosis Module is found to be defective due to materials or workmanship, its replacement should be covered under this extended warranty.

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Source: NHTSA ID: 10224185