ClaimRight · Warranty Denial Guides

BMW 750Li warranty claim denied?

615 manufacturer communications on file 17 warranty extensions / campaigns 2005–2022 model years covered

If your BMW 750Li's warranty claim was just denied, you're not alone—and the denial may not be the final word. Manufacturers are required to file service communications with the National Highway Traffic Safety Administration (NHTSA) whenever recurring defects are identified. For the 750Li (2005–2022), BMW has filed 615 such communications, including 17 warranty extensions or service campaigns. These filings show BMW has already acknowledged issues such as engine coolant thermostat wear, charge air intercooler failures, active air flap malfunctions, and rear oxygen sensor degradation—extending coverage in several cases to 10 or 15 years and up to 150,000 miles.

A denial from a dealer or manufacturer doesn't always reflect everything that's been documented about your vehicle's known issues. Denials are often reconsidered once the specific defect is compared against the manufacturer's own records and formally challenged with supporting documentation.

ClaimRight offers a free, no-obligation assessment to help you understand whether your denied claim aligns with any documented issues for your 750Li, and what options may be available to you. There's no cost unless we're able to help you succeed.

Free 2-minute assessment — is your denial worth fighting? →

What BMW has documented for the 750Li

Filed with NHTSA by the manufacturer. Warranty extensions are the strongest signal — the manufacturer acknowledging a defect and extending coverage for it.

2024-11-14 · B010121 Warranty extension
For this vehicle, the engine coolant thermostat limited warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles, as determined from the origina...
Official NHTSA document →
2022-08-01 · SIB010119 Warranty extension
For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle's Radiator Grille Upper and Lower Active Air Flaps to: 10 years/120,...
Official NHTSA document →
2022-07-01 · SIB010522 Warranty extension
Component-Specific Limited Warranty Extension For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle's front and rear air...
Official NHTSA document →
2022-05-01 · SIB010121 Warranty extension
Note: Before performing a repair and submitting a claim, first confirm that the vehicle has the above Notice of Limited Warranty Extension in the DCSnet Warranty Inquiry Vehicle Co...
Official NHTSA document →
2022-05-01 · SIB011918 Warranty extension
Component specific limited warranty extension. For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle Nitrogen Oxide (NOx)...
Official NHTSA document →
2021-11-01 · B010221 Warranty extension
For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle's Charge Air Intercooler to: 15 years/150,000 miles as determined by...
Official NHTSA document →
2020-07-01 · B010319 Warranty extension
N63T REAR MONITORING OXYGEN SENSORS - LTD WTY EXTENSION TO 10 YEARS/120,000 MILES: Component-Specific Limited Warranty Extension For the eligible vehicles, BMW of North America, LL...
Official NHTSA document →
2020-05-01 · B010119 Warranty extension
FRONT GRILLE UPPER/LOWER AIR FLAPS - LTD WTY EXT TO 10 YRS/120000 MILES: Component-Specific Limited Warranty Extension For the eligible vehicles BMW of North America LLC (BMW NA) i...
Official NHTSA document →
2020-02-01 · B010518 Warranty extension
LIMITED WARRANTY EXTENSIONTO 10 YEARS/120000 MILES: This Service Information Bulletin replaces SI B01 05 18 dated July 2019. Engine starts poorly (hard starting) rough idle and mis...
Official NHTSA document →
2019-04-01 · B011817 Warranty extension
N63T HIGH PRESSURE FUEL PUMP HDP LIMITED WARRANTY EXTENSION TO 10 YEARS/120000 MILES This Service Information bulletin supersedes SI B01 18 17 dated July 2018.
Official NHTSA document →
2018-09-01 · B011218 Warranty extension
?N63T CRANKCASE VENTILATION LINES: LIMITED WARRANTY EXTENSION TO 10 YEARS/120,000 MILEAGE. For the eligible vehicles, BMW of North America, LLC (?BMW NA?) is extending the limited...
Official NHTSA document →
2017-06-01 · SIM010717 Warranty extension
The engine?s intake charge-air duct limited warranty extension to 10 years/120,000 miles applies to ?eligible USspecification
Official NHTSA document →
2016-08-01 · B011216 Warranty extension
"N63T PRESSURE SWITCH - LEAK DIAGNOSIS MODULE (NVLD): LIMITED WARRANTY EXTENSION TO 10 YEARS/120,000 MILES. INFORMATION For the above-referenced vehicles, BMW of North America, LLC...
Official NHTSA document →
2016-08-01 · B011316 Warranty extension
"BMW ALPINA N63T PRESSURE SWITCH - LEAK DIAGNOSIS MODULE (NVLD): LIMITED WARRANTY EXTENSION TO 10 YEARS/120,000 MILES. INFORMATION For the above-referenced vehicles, BMW of North A...
Official NHTSA document →
2015-12-01 · B010115 Warranty extension
"N63 Engine Fuel Injectors - Limited Warranty Extension to 10 Years/120,000 Miles. INFORMATION For the above-referenced vehicles, BMW of North America, LLC (""BMW NA"") is extendin...
Official NHTSA document →
2015-12-01 · B010815 Warranty extension
"N63 Engine Vacuum Pump: Limited Warranty Extension to 10 Years/120,000 Miles. INFORMATION For the above-referenced vehicles, BMW of North America, LLC (""BMW NA"") is extending th...
Official NHTSA document →
2015-12-01 · B011215 Warranty extension
"N63 Engine Crankcase Ventilation ""Connecting Line"" Hoses: Limited Warranty Extension to 10 Years/120,000 Miles. INFORMATION For the above-referenced vehicles, BMW of North Ameri...
Official NHTSA document →
2024-08-16 · B270220
There is a jerking or shuddering during either or both of the following: Cornering or accelerating from low speeds Driving with low to medium loads There are no warning lights or C...
Official NHTSA document →
2024-08-14 · B540319
A groaning noise is present from the area between the front and rear sunroof glass panels, only with thesunroof completely closed. Venting the front sunroof glass causes the noise...
Official NHTSA document →
2024-06-12 · B650121
No Bass or a cracking noise can be heard from the bass speakers.
Official NHTSA document →
2024-05-01 · B360121
At low outside temperatures (below 40 degrees F) and slow driving speeds (i.e. when parking, maneuvering)with a large steering angle, the front end can be slightly axially misalign...
Official NHTSA document →
2024-03-14 · B630418
One or more of the LED daytime running lights are dim or discolored.
Official NHTSA document →
2024-02-28 · B610321
SITUATION BMW AG is conducting a Voluntary Emissions Recall (effective April 23, 2021) on a certain Model Year 2020 - 2021 BMW vehicles that were produced between August 13, 2019...
Official NHTSA document →
2024-02-20 · B660820
The functionality of the right rear SRR sensor could be reduced which would display the "Driving Assistance"- Check Control Message.
Official NHTSA document →
2024-01-16 · B510819
The basic conditions for initializing the power windows are not met.
Official NHTSA document →

Common questions

Why was my BMW 750Li's warranty claim denied?
Dealers and manufacturers deny warranty claims for many reasons, including disputes over whether a defect is covered, questions about maintenance records, or differing interpretations of what caused the issue. A denial is a starting point, not necessarily a final determination, and reviewing the specific reason given is an important first step in understanding your options.
Can a denied BMW warranty claim be reconsidered?
Yes, denied claims are sometimes reconsidered, particularly when additional documentation, repair history, or manufacturer records are presented that weren't part of the original decision. Since BMW has filed hundreds of service communications for the 750Li, including several warranty extensions, comparing your specific issue against these records can clarify whether your situation may warrant a second review.
What is a NHTSA warranty extension and does it apply to my BMW 750Li?
A warranty extension is a manufacturer-filed notice, submitted to NHTSA, that lengthens coverage for a specific component believed to have a higher-than-expected failure rate. For the 750Li, BMW has filed 17 such extensions covering parts like the coolant thermostat, intercooler, and oxygen sensors. Whether one applies depends on your vehicle's model year, mileage, and the specific part involved.
Check your denial free — no fee unless we get you savings →
ClaimRight is a consumer advocacy and document-preparation service. We are not a law firm, do not provide legal advice, and make no promises about the outcome of any individual claim. Bulletin data is sourced from public NHTSA filings and refreshed weekly. All vehicle guides