BMW 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
Loss of braking assist can increase the risk of a crash.
Fix: Dealers will update the engine management software, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may contact BMW customer service at 1-800-525-7417.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented
repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall
(it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service BulletinT-PANT-2024-004-Mar 2024
This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care (TCMC) website.
DL: Due to a software error in the battery management system of the 12V battery located under the vehicle?s hood, the engine auto Stop/Start functionality could become deactivated.
RL: Due to a software error in the battery management system of the 12V battery located under the vehicle?s hood, the engine auto Stop/Start functionality could become deactivated.
TT: Customers may state the vehicle has oil consumption or certain warnings have illuminated stating low oil, ?Oil level at minimum, add one quart? as stated on MID.
TT: Customers may state the vehicle has oil consumption or certain warnings have illuminated stating low oil, ?Oil level at minimum, add one quart? as stated on MID.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting
4 most recent
engine
· filed 11/08/2023
I am extremely concerned this vehicle consumed .9 Quarts of oil which barely reached 1k miles from the oil consumption test performed by Toyota TECH TIP T-TT-0642-21 (Loyalty Toyota). If the vehicle had consumed the full one 1QT the engine could be deemed a replacement. By researching the internet, other 2021 Toyota 3.0 owners are having similar conditions at different intervals. According to…
engine
· filed 06/08/2022
Oil consumption of 1qt at 2800 miles and another one at 5800 miles. Warning message prompted at each time to add a quart. contacted dealer and tech. advised same thing with no further assistance.
engine
· filed 06/08/2022
Unknown. Car is consuming a lot of oil in low mileage. Oil has been changed twice, once at 1200 miles, again at 2500 miles. Manual states oil change interval is 10,000 miles. Had an oil consumption warning at 7,xxx miles. Many other 2021 3.0 Supra owners are complaining of consumption issues
engine
· filed 01/03/2026
I am reporting a safety recall issue involving my Toyota vehicle. Toyota stated that this safety recall remedy can be available in the last quarter of 2025, but the recall has still not been available and fixed. I contacted Toyota and spoke with them in person several times, but they are saying that the remedy is still not available to complete the safety recall repair. They also refused to…
Had engine trouble with your 2021 Toyota Supra?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2021 Toyota Supra?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
Yes — 1 active recall(s) cover engine issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2021/Toyota/Supra.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.